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1991 Chevrolet K3500

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  2. Auto Parts
  3. Driveline and Axles
  4. Bearings
  5. Differential Pinion Bearing
  6. ACDelco S1279 for 1991 Chevrolet K3500

ACDelco S1279 Differential Pinion Bearing
for 1991 Chevrolet K3500

ACDelco S1279 Differential Pinion Bearing - 1991 Chevrolet K3500 Image 1
ACDelco S1279 Differential Pinion Bearing - 1991 Chevrolet K3500 Image 2
ACDelco S1279 Differential Pinion Bearing - 1991 Chevrolet K3500

ACDelco
Brand:ACDelco
Part Number: S1279
UPC: 00036666147995
Weight: 2.25 lbs
Condition:New



On Sale:

$74.97

Availability:
3 in Stock
Warehouse: US-12
Quantity:

Product Information

Description:

Get the ACDelco S1279 Differential Pinion Bearing for your 1991 Chevrolet K3500. Buy now and secure your purchase online!

GM Genuine Parts Differential Pinion Bearings are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These bearings are tapered roller bearing elements that support and allow the pinion gear to rotate within the axle or final drive housing. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE). ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

Features and Benefits:

  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM regularly updates production and service part designs to integrate new materials and technologies
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • Tapered roller bearing elements that support and allow the pinion gear to rotate within the axle or final drive housing

Specifications:

Bearing Type:
Tapered Roller
Country of Origin 6:
CA
Height (in):
2.25 in
Inside Diameter:
1.75 in.
Inside Diameter:
44.45 mm
Length (in):
4.75 in
Outside Diameter:
3.75 in.
Outside Diameter:
95.25 mm
Programming Required:
No
Race Included:
Yes
Weight (lb):
2.25 lb
Width:
30.96 mm
Width:
4.25 in.

Features and Benefits:

  • – Change differential fluids at vehicle recommended maintenance intervals
  • – Use recommended grease or differential fluid to keep the bearing properly lubricated

Specifications:

Country of Origin:
US

ACDelco S1279 Differential Pinion Bearing compatibility with your 1991 Chevrolet K3500...

Last Updated: 03/02/2024

Years Vehicle Per Vehicle Position Fit NotesFitment Notes

1991

 

1991

 
Chevrolet K3500

5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV
1
 
Inner
 
OUTER BEARING)(W/CUP AND CONE
HYD PWR DISC/DRUM BRK(JB8)
10.50 DIA R/GR)(TIMKEN, HM903249-HM903210
Power Brakes
Front Disc
Rear Drum
Bed Length 96.0 In.
Wheel Base 131.5 In.
 

Chevrolet K3500



5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV

Inner OUTER BEARING)(W/CUP AND CONE
HYD PWR DISC/DRUM BRK(JB8)
10.50 DIA R/GR)(TIMKEN, HM903249-HM903210
Power Brakes
Front Disc
Rear Drum
Bed Length 96.0 In.
Wheel Base 131.5 In.

1 Per Vehicle

1991

 

1991

 
Chevrolet K3500

5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV
1
 
Inner
 
OUTER BEARING)(W/CUP AND CONE
HYD PWR DISC/DRUM BRK(JB8)
10.50 DIA R/GR)(TIMKEN, HM903249-HM903210
Power Brakes
Front Disc
Rear Drum
Bed Length 96.0 In.
Wheel Base 155.5 In.
 

Chevrolet K3500



5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV

Inner OUTER BEARING)(W/CUP AND CONE
HYD PWR DISC/DRUM BRK(JB8)
10.50 DIA R/GR)(TIMKEN, HM903249-HM903210
Power Brakes
Front Disc
Rear Drum
Bed Length 96.0 In.
Wheel Base 155.5 In.

1 Per Vehicle

1991

 

1991

 
Chevrolet K3500

5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV
1
 
Inner
 
OUTER BEARING)(W/CUP AND CONE
HYD PWR DISC/DRUM BRK(JB8)
10.50 DIA R/GR)(TIMKEN, HM903249-HM903210
Power Brakes
Front Disc
Rear Drum
Bed Length N/R In.
Wheel Base 131.5 In.
 

Chevrolet K3500



5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV

Inner OUTER BEARING)(W/CUP AND CONE
HYD PWR DISC/DRUM BRK(JB8)
10.50 DIA R/GR)(TIMKEN, HM903249-HM903210
Power Brakes
Front Disc
Rear Drum
Bed Length N/R In.
Wheel Base 131.5 In.

1 Per Vehicle

1991

 

1991

 
Chevrolet K3500

5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV
1
 
Inner
 
OUTER BEARING)(W/CUP AND CONE
HYD PWR DISC/DRUM BRK(JB8)
10.50 DIA R/GR)(TIMKEN, HM903249-HM903210
Power Brakes
Front Disc
Rear Drum
Bed Length N/R In.
Wheel Base 155.5 In.
 

Chevrolet K3500



5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV

Inner OUTER BEARING)(W/CUP AND CONE
HYD PWR DISC/DRUM BRK(JB8)
10.50 DIA R/GR)(TIMKEN, HM903249-HM903210
Power Brakes
Front Disc
Rear Drum
Bed Length N/R In.
Wheel Base 155.5 In.

1 Per Vehicle

1991

 

1991

 
Chevrolet K3500

5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV
1
 
Inner
 
OUTER BEARING)(W/CUP AND CONE
HYD PWR DISC/DRUM BRK(JB8)
Except 15,000 LBS GVWR(C5B)
10.50 DIA R/GR)(TIMKEN, HM903249-HM903210
Power Brakes
Front Disc
Rear Drum
Cab & Chassis
Bed Length N/R In.
2 Doors
Wheel Base 135.5 In.
 

Chevrolet K3500



5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV

Inner OUTER BEARING)(W/CUP AND CONE
HYD PWR DISC/DRUM BRK(JB8)
Except 15,000 LBS GVWR(C5B)
10.50 DIA R/GR)(TIMKEN, HM903249-HM903210
Power Brakes
Front Disc
Rear Drum
Cab & Chassis
Bed Length N/R In.
2 Doors
Wheel Base 135.5 In.

1 Per Vehicle

1991

 

1991

 
Chevrolet K3500

5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV
1
 
Inner
 
OUTER BEARING)(W/CUP AND CONE
HYD PWR DISC/DRUM BRK(JB8)
Except 15,000 LBS GVWR(C5B)
10.50 DIA R/GR)(TIMKEN, HM903249-HM903210
Power Brakes
Front Disc
Rear Drum
Cab & Chassis
Bed Length N/R In.
2 Doors
Wheel Base 159.5 In.
 

Chevrolet K3500



5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV

Inner OUTER BEARING)(W/CUP AND CONE
HYD PWR DISC/DRUM BRK(JB8)
Except 15,000 LBS GVWR(C5B)
10.50 DIA R/GR)(TIMKEN, HM903249-HM903210
Power Brakes
Front Disc
Rear Drum
Cab & Chassis
Bed Length N/R In.
2 Doors
Wheel Base 159.5 In.

1 Per Vehicle

1991

 

1991

 
Chevrolet K3500

5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV
1
 
Inner
 
OUTER BEARING)(W/CUP AND CONE
HYD PWR DISC/DRUM BRK(JD7)
10.50 DIA R/GR)(TIMKEN, HM903249-HM903210
Power Brakes
Front Disc
Rear Drum
Bed Length 96.0 In.
Wheel Base 131.5 In.
 

Chevrolet K3500



5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV

Inner OUTER BEARING)(W/CUP AND CONE
HYD PWR DISC/DRUM BRK(JD7)
10.50 DIA R/GR)(TIMKEN, HM903249-HM903210
Power Brakes
Front Disc
Rear Drum
Bed Length 96.0 In.
Wheel Base 131.5 In.

1 Per Vehicle

1991

 

1991

 
Chevrolet K3500

5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV
1
 
Inner
 
OUTER BEARING)(W/CUP AND CONE
HYD PWR DISC/DRUM BRK(JD7)
10.50 DIA R/GR)(TIMKEN, HM903249-HM903210
Power Brakes
Front Disc
Rear Drum
Bed Length 96.0 In.
Wheel Base 155.5 In.
 

Chevrolet K3500



5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV

Inner OUTER BEARING)(W/CUP AND CONE
HYD PWR DISC/DRUM BRK(JD7)
10.50 DIA R/GR)(TIMKEN, HM903249-HM903210
Power Brakes
Front Disc
Rear Drum
Bed Length 96.0 In.
Wheel Base 155.5 In.

1 Per Vehicle

1991

 

1991

 
Chevrolet K3500

5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV
1
 
Inner
 
OUTER BEARING)(W/CUP AND CONE
HYD PWR DISC/DRUM BRK(JD7)
10.50 DIA R/GR)(TIMKEN, HM903249-HM903210
Power Brakes
Front Disc
Rear Drum
Bed Length N/R In.
Wheel Base 131.5 In.
 

Chevrolet K3500



5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV

Inner OUTER BEARING)(W/CUP AND CONE
HYD PWR DISC/DRUM BRK(JD7)
10.50 DIA R/GR)(TIMKEN, HM903249-HM903210
Power Brakes
Front Disc
Rear Drum
Bed Length N/R In.
Wheel Base 131.5 In.

1 Per Vehicle

1991

 

1991

 
Chevrolet K3500

5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV
1
 
Inner
 
OUTER BEARING)(W/CUP AND CONE
HYD PWR DISC/DRUM BRK(JD7)
10.50 DIA R/GR)(TIMKEN, HM903249-HM903210
Power Brakes
Front Disc
Rear Drum
Bed Length N/R In.
Wheel Base 155.5 In.
 

Chevrolet K3500



5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV

Inner OUTER BEARING)(W/CUP AND CONE
HYD PWR DISC/DRUM BRK(JD7)
10.50 DIA R/GR)(TIMKEN, HM903249-HM903210
Power Brakes
Front Disc
Rear Drum
Bed Length N/R In.
Wheel Base 155.5 In.

1 Per Vehicle

1991

 

1991

 
Chevrolet K3500

5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV
1
 
Inner
 
PWR BRK SYS(JB7)
OUTER BEARING)(W/CUP AND CONE
10.50 DIA R/GR)(TIMKEN, HM903249-HM903210
Power Brakes
Front Disc
Rear Drum
Bed Length 96.0 In.
Wheel Base 131.5 In.
 

Chevrolet K3500



5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV

Inner PWR BRK SYS(JB7)
OUTER BEARING)(W/CUP AND CONE
10.50 DIA R/GR)(TIMKEN, HM903249-HM903210
Power Brakes
Front Disc
Rear Drum
Bed Length 96.0 In.
Wheel Base 131.5 In.

1 Per Vehicle

1991

 

1991

 
Chevrolet K3500

5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV
1
 
Inner
 
PWR BRK SYS(JB7)
OUTER BEARING)(W/CUP AND CONE
10.50 DIA R/GR)(TIMKEN, HM903249-HM903210
Power Brakes
Front Disc
Rear Drum
Bed Length 96.0 In.
Wheel Base 155.5 In.
 

Chevrolet K3500



5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV

Inner PWR BRK SYS(JB7)
OUTER BEARING)(W/CUP AND CONE
10.50 DIA R/GR)(TIMKEN, HM903249-HM903210
Power Brakes
Front Disc
Rear Drum
Bed Length 96.0 In.
Wheel Base 155.5 In.

1 Per Vehicle

1991

 

1991

 
Chevrolet K3500

5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV
1
 
Inner
 
PWR BRK SYS(JB7)
OUTER BEARING)(W/CUP AND CONE
10.50 DIA R/GR)(TIMKEN, HM903249-HM903210
Power Brakes
Front Disc
Rear Drum
Bed Length N/R In.
Wheel Base 131.5 In.
 

Chevrolet K3500



5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV

Inner PWR BRK SYS(JB7)
OUTER BEARING)(W/CUP AND CONE
10.50 DIA R/GR)(TIMKEN, HM903249-HM903210
Power Brakes
Front Disc
Rear Drum
Bed Length N/R In.
Wheel Base 131.5 In.

1 Per Vehicle

1991

 

1991

 
Chevrolet K3500

5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV
1
 
Inner
 
PWR BRK SYS(JB7)
OUTER BEARING)(W/CUP AND CONE
10.50 DIA R/GR)(TIMKEN, HM903249-HM903210
Power Brakes
Front Disc
Rear Drum
Bed Length N/R In.
Wheel Base 155.5 In.
 

Chevrolet K3500



5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV

Inner PWR BRK SYS(JB7)
OUTER BEARING)(W/CUP AND CONE
10.50 DIA R/GR)(TIMKEN, HM903249-HM903210
Power Brakes
Front Disc
Rear Drum
Bed Length N/R In.
Wheel Base 155.5 In.

1 Per Vehicle

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