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2013 GMC Sierra 3500 HD

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EnginePer VehiclePositionFit NotesFitment Notes
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80),SINGLE REAR WHEELS(SRW)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length 97.6 In.
Wheel Base 133.6 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80),SINGLE REAR WHEELS(SRW)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length 97.6 In.
Wheel Base 133.6 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80),SINGLE REAR WHEELS(SRW)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length 97.6 In.
Wheel Base 167.7 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80),SINGLE REAR WHEELS(SRW)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length 97.6 In.
Wheel Base 167.7 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80),SINGLE REAR WHEELS(SRW)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 133.6 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80),SINGLE REAR WHEELS(SRW)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 133.6 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80),SINGLE REAR WHEELS(SRW)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80),SINGLE REAR WHEELS(SRW)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except ACTIVE BRAKE CONTROL(JL4)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length 97.6 In.
Wheel Base 133.6 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except ACTIVE BRAKE CONTROL(JL4)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length 97.6 In.
Wheel Base 133.6 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except ACTIVE BRAKE CONTROL(JL4)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length 97.6 In.
Wheel Base 167.7 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except ACTIVE BRAKE CONTROL(JL4)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length 97.6 In.
Wheel Base 167.7 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except ACTIVE BRAKE CONTROL(JL4)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 133.6 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except ACTIVE BRAKE CONTROL(JL4)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 133.6 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except ACTIVE BRAKE CONTROL(JL4)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except ACTIVE BRAKE CONTROL(JL4)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80),ACTIVE BRAKE CONTROL(JL4)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
3.73R(GT4)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length 97.6 In.
Wheel Base 133.6 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80),ACTIVE BRAKE CONTROL(JL4)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
3.73R(GT4)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length 97.6 In.
Wheel Base 133.6 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80),ACTIVE BRAKE CONTROL(JL4)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
3.73R(GT4)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length 97.6 In.
Wheel Base 167.7 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80),ACTIVE BRAKE CONTROL(JL4)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
3.73R(GT4)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length 97.6 In.
Wheel Base 167.7 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80),ACTIVE BRAKE CONTROL(JL4)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
3.73R(GT4)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 133.6 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80),ACTIVE BRAKE CONTROL(JL4)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
3.73R(GT4)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 133.6 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80),ACTIVE BRAKE CONTROL(JL4)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
3.73R(GT4)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80),ACTIVE BRAKE CONTROL(JL4)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
3.73R(GT4)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY),POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
3.73R(GT4)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 137.5 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY),POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
3.73R(GT4)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 137.5 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY),POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
3.73R(GT4)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 171.5 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY),POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
3.73R(GT4)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 171.5 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY),POSITRACTION L/SLIP R/AXL(G80)
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
3.73R(GT4)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 137.5 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY),POSITRACTION L/SLIP R/AXL(G80)
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
3.73R(GT4)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 137.5 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY),POSITRACTION L/SLIP R/AXL(G80)
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
3.73R(GT4)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 171.5 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY),POSITRACTION L/SLIP R/AXL(G80)
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
3.73R(GT4)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 171.5 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 137.5 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 137.5 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 171.5 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 171.5 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY)
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 137.5 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY)
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 137.5 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY)
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 171.5 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY)
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 171.5 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
WIDE TRACK REAR AXLE(GTY),3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
USE ON VEH W/CLIP SPRING
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 137.5 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear WIDE TRACK REAR AXLE(GTY),3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
USE ON VEH W/CLIP SPRING
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 137.5 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
WIDE TRACK REAR AXLE(GTY),3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
USE ON VEH W/CLIP SPRING
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 171.5 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear WIDE TRACK REAR AXLE(GTY),3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
USE ON VEH W/CLIP SPRING
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 171.5 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
WIDE TRACK REAR AXLE(GTY),3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
USE ON VEH W/CLIP SPRING
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 137.5 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear WIDE TRACK REAR AXLE(GTY),3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
USE ON VEH W/CLIP SPRING
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 137.5 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
WIDE TRACK REAR AXLE(GTY),3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
USE ON VEH W/CLIP SPRING
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 171.5 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear WIDE TRACK REAR AXLE(GTY),3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
USE ON VEH W/CLIP SPRING
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 171.5 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
WIDE TRACK REAR AXLE(GTY),3.73R(GT4)
USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 137.5 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear WIDE TRACK REAR AXLE(GTY),3.73R(GT4)
USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 137.5 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
WIDE TRACK REAR AXLE(GTY),3.73R(GT4)
USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 171.5 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear WIDE TRACK REAR AXLE(GTY),3.73R(GT4)
USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 171.5 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
WIDE TRACK REAR AXLE(GTY),3.73R(GT4)
USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80)
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 137.5 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear WIDE TRACK REAR AXLE(GTY),3.73R(GT4)
USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80)
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 137.5 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
WIDE TRACK REAR AXLE(GTY),3.73R(GT4)
USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80)
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 171.5 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear WIDE TRACK REAR AXLE(GTY),3.73R(GT4)
USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80)
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 171.5 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80),SINGLE REAR WHEELS(SRW)
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
Bed Length 97.6 In.
Wheel Base 133.6 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80),SINGLE REAR WHEELS(SRW)
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
Bed Length 97.6 In.
Wheel Base 133.6 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80),SINGLE REAR WHEELS(SRW)
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
Bed Length 97.6 In.
Wheel Base 167.7 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80),SINGLE REAR WHEELS(SRW)
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
Bed Length 97.6 In.
Wheel Base 167.7 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80),SINGLE REAR WHEELS(SRW)
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 133.6 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80),SINGLE REAR WHEELS(SRW)
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 133.6 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80),SINGLE REAR WHEELS(SRW)
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80),SINGLE REAR WHEELS(SRW)
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except ACTIVE BRAKE CONTROL(JL4)
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length 97.6 In.
Wheel Base 133.6 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except ACTIVE BRAKE CONTROL(JL4)
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length 97.6 In.
Wheel Base 133.6 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except ACTIVE BRAKE CONTROL(JL4)
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length 97.6 In.
Wheel Base 167.7 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except ACTIVE BRAKE CONTROL(JL4)
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length 97.6 In.
Wheel Base 167.7 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except ACTIVE BRAKE CONTROL(JL4)
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 133.6 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except ACTIVE BRAKE CONTROL(JL4)
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 133.6 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except ACTIVE BRAKE CONTROL(JL4)
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except ACTIVE BRAKE CONTROL(JL4)
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80),ACTIVE BRAKE CONTROL(JL4)
4.10R(GT5)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length 97.6 In.
Wheel Base 133.6 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80),ACTIVE BRAKE CONTROL(JL4)
4.10R(GT5)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length 97.6 In.
Wheel Base 133.6 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80),ACTIVE BRAKE CONTROL(JL4)
4.10R(GT5)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length 97.6 In.
Wheel Base 167.7 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80),ACTIVE BRAKE CONTROL(JL4)
4.10R(GT5)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length 97.6 In.
Wheel Base 167.7 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80),ACTIVE BRAKE CONTROL(JL4)
4.10R(GT5)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 133.6 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80),ACTIVE BRAKE CONTROL(JL4)
4.10R(GT5)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 133.6 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80),ACTIVE BRAKE CONTROL(JL4)
4.10R(GT5)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80),ACTIVE BRAKE CONTROL(JL4)
4.10R(GT5)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY),POSITRACTION L/SLIP R/AXL(G80)
4.10R(GT5)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 137.5 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY),POSITRACTION L/SLIP R/AXL(G80)
4.10R(GT5)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 137.5 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY),POSITRACTION L/SLIP R/AXL(G80)
4.10R(GT5)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 171.5 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY),POSITRACTION L/SLIP R/AXL(G80)
4.10R(GT5)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 171.5 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY),POSITRACTION L/SLIP R/AXL(G80)
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
4.10R(GT5)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 137.5 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY),POSITRACTION L/SLIP R/AXL(G80)
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
4.10R(GT5)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 137.5 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY),POSITRACTION L/SLIP R/AXL(G80)
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
4.10R(GT5)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 171.5 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY),POSITRACTION L/SLIP R/AXL(G80)
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
4.10R(GT5)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 171.5 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY)
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 137.5 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY)
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 137.5 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY)
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 171.5 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY)
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 171.5 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY)
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 137.5 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY)
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 137.5 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY)
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 171.5 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY)
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 171.5 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
WIDE TRACK REAR AXLE(GTY),4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
USE ON VEH W/CLIP SPRING
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 137.5 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear WIDE TRACK REAR AXLE(GTY),4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
USE ON VEH W/CLIP SPRING
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 137.5 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
WIDE TRACK REAR AXLE(GTY),4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
USE ON VEH W/CLIP SPRING
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 171.5 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear WIDE TRACK REAR AXLE(GTY),4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
USE ON VEH W/CLIP SPRING
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 171.5 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
WIDE TRACK REAR AXLE(GTY),4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
USE ON VEH W/CLIP SPRING
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 137.5 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear WIDE TRACK REAR AXLE(GTY),4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
USE ON VEH W/CLIP SPRING
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 137.5 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
WIDE TRACK REAR AXLE(GTY),4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
USE ON VEH W/CLIP SPRING
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 171.5 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear WIDE TRACK REAR AXLE(GTY),4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
USE ON VEH W/CLIP SPRING
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 171.5 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
WIDE TRACK REAR AXLE(GTY),4.10R(GT5)
USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 137.5 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear WIDE TRACK REAR AXLE(GTY),4.10R(GT5)
USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 137.5 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
WIDE TRACK REAR AXLE(GTY),4.10R(GT5)
USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 171.5 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear WIDE TRACK REAR AXLE(GTY),4.10R(GT5)
USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 171.5 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
WIDE TRACK REAR AXLE(GTY),4.10R(GT5)
USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80)
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 137.5 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear WIDE TRACK REAR AXLE(GTY),4.10R(GT5)
USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80)
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 137.5 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
WIDE TRACK REAR AXLE(GTY),4.10R(GT5)
USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80)
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 171.5 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear WIDE TRACK REAR AXLE(GTY),4.10R(GT5)
USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80)
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 171.5 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80),SINGLE REAR WHEELS(SRW)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length 97.6 In.
Wheel Base 158.1 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80),SINGLE REAR WHEELS(SRW)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length 97.6 In.
Wheel Base 158.1 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80),SINGLE REAR WHEELS(SRW)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 158.1 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80),SINGLE REAR WHEELS(SRW)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 158.1 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except ACTIVE BRAKE CONTROL(JL4)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length 97.6 In.
Wheel Base 158.1 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except ACTIVE BRAKE CONTROL(JL4)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length 97.6 In.
Wheel Base 158.1 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except ACTIVE BRAKE CONTROL(JL4)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 158.1 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except ACTIVE BRAKE CONTROL(JL4)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 158.1 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80),ACTIVE BRAKE CONTROL(JL4)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
3.73R(GT4)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length 97.6 In.
Wheel Base 158.1 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80),ACTIVE BRAKE CONTROL(JL4)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
3.73R(GT4)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length 97.6 In.
Wheel Base 158.1 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80),ACTIVE BRAKE CONTROL(JL4)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
3.73R(GT4)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 158.1 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80),ACTIVE BRAKE CONTROL(JL4)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
3.73R(GT4)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 158.1 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY),POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
3.73R(GT4)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY),POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
3.73R(GT4)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY),POSITRACTION L/SLIP R/AXL(G80)
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
3.73R(GT4)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY),POSITRACTION L/SLIP R/AXL(G80)
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
3.73R(GT4)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY)
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY)
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
WIDE TRACK REAR AXLE(GTY),3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
USE ON VEH W/CLIP SPRING
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear WIDE TRACK REAR AXLE(GTY),3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
USE ON VEH W/CLIP SPRING
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
WIDE TRACK REAR AXLE(GTY),3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
USE ON VEH W/CLIP SPRING
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear WIDE TRACK REAR AXLE(GTY),3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
USE ON VEH W/CLIP SPRING
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
WIDE TRACK REAR AXLE(GTY),3.73R(GT4)
USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear WIDE TRACK REAR AXLE(GTY),3.73R(GT4)
USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
WIDE TRACK REAR AXLE(GTY),3.73R(GT4)
USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80)
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.
 
2013 GMC Sierra 3500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear WIDE TRACK REAR AXLE(GTY),3.73R(GT4)
USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80)
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear 4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear 4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
Front Disc
Rear Disc
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
Front Disc
Rear Disc

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80),SINGLE REAR WHEELS(SRW)
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
Bed Length 97.6 In.
Wheel Base 158.1 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80),SINGLE REAR WHEELS(SRW)
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
Bed Length 97.6 In.
Wheel Base 158.1 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80),SINGLE REAR WHEELS(SRW)
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 158.1 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80),SINGLE REAR WHEELS(SRW)
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 158.1 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except ACTIVE BRAKE CONTROL(JL4)
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length 97.6 In.
Wheel Base 158.1 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except ACTIVE BRAKE CONTROL(JL4)
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length 97.6 In.
Wheel Base 158.1 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except ACTIVE BRAKE CONTROL(JL4)
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 158.1 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except ACTIVE BRAKE CONTROL(JL4)
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 158.1 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80),ACTIVE BRAKE CONTROL(JL4)
4.10R(GT5)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length 97.6 In.
Wheel Base 158.1 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80),ACTIVE BRAKE CONTROL(JL4)
4.10R(GT5)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length 97.6 In.
Wheel Base 158.1 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80),ACTIVE BRAKE CONTROL(JL4)
4.10R(GT5)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 158.1 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80),ACTIVE BRAKE CONTROL(JL4)
4.10R(GT5)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 158.1 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY),POSITRACTION L/SLIP R/AXL(G80)
4.10R(GT5)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY),POSITRACTION L/SLIP R/AXL(G80)
4.10R(GT5)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY),POSITRACTION L/SLIP R/AXL(G80)
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
4.10R(GT5)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY),POSITRACTION L/SLIP R/AXL(G80)
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
4.10R(GT5)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY)
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY)
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY)
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear USE ON VEH W/CLIP SPRING
Except WIDE TRACK REAR AXLE(GTY)
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
WIDE TRACK REAR AXLE(GTY),4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
USE ON VEH W/CLIP SPRING
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear WIDE TRACK REAR AXLE(GTY),4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
USE ON VEH W/CLIP SPRING
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
WIDE TRACK REAR AXLE(GTY),4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
USE ON VEH W/CLIP SPRING
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear WIDE TRACK REAR AXLE(GTY),4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
USE ON VEH W/CLIP SPRING
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
WIDE TRACK REAR AXLE(GTY),4.10R(GT5)
USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear WIDE TRACK REAR AXLE(GTY),4.10R(GT5)
USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/ DUAL REAR WHEELS(J96)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.

2 Per Vehicle
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
2
 
Rear
 
WIDE TRACK REAR AXLE(GTY),4.10R(GT5)
USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80)
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear WIDE TRACK REAR AXLE(GTY),4.10R(GT5)
USE ON VEH W/CLIP SPRING
Except POSITRACTION L/SLIP R/AXL(G80)
DUAL REAR WHEEL 4 WHEEL DISC BRAKES W/O ABS(J90)
Front Disc
Rear Disc
Bed Length N/R In.
Wheel Base 167.7 In.

2 Per Vehicle
On Sale:

$53.92

Avail:
28 in Stock
Warehouse: US-4
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
1
 
Rear
 
Gold-Bonded
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear Gold-Bonded

1 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehiclePositionFit NotesFitment Notes
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
1
 
Rear
 
ThermoQuiet Parking Brake Shoe
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear ThermoQuiet Parking Brake Shoe
1 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehiclePositionFit NotesFitment Notes
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
1
 
Rear
 
ThermoQuiet Parking Brake Shoe
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear ThermoQuiet Parking Brake Shoe
1 Per Vehicle
On Sale:

$26.54

Avail:
8 in Stock
Warehouse: US-7
Qty:
EnginePer VehiclePositionFitment Notes
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
1
 
Rear
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear
1 Per Vehicle
On Sale:

$34.23

Avail:
5 in Stock
Warehouse: US-7
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
1
 
Rear
 
PowerStop
Rear Autospecialty Parking Brake Shoes
Bonded
Clip Spring
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear PowerStop
Rear Autospecialty Parking Brake Shoes
Bonded
Clip Spring

1 Per Vehicle
On Sale:

$35.56

Avail:
8 in Stock
Warehouse: US-4
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
1
 
Rear
 
PowerStop
Rear Autospecialty Parking Brake Shoes
Bonded
Coil Style Spring
 
2013 GMC Sierra 3500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
Rear PowerStop
Rear Autospecialty Parking Brake Shoes
Bonded
Coil Style Spring

1 Per Vehicle
Displaying 1 to 7 (of 7 products)