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ACDelco S1279 Differential Pinion Bearing
for 2017 (please select make/model)

ACDelco S1279 Differential Pinion Bearing - 2017 Image 1

ACDelco S1279 Differential Pinion Bearing - 2017 Image 2

ACDelco S1279 Differential Pinion Bearing - 2017


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 2017. 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:

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:

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:

Select a vehicle to narrow ACDelco S1279 Differential Pinion Bearing fitment info!

Last Updated: 03/02/2024

Years

Vehicle

Per Vehicle

Position

Fit Notes

Fitment Notes

2017

Chevrolet Express 3500

2.8L L4 Diesel DOHC Turbo

1 Inner

OUTER BEARING)(W/CUP AND CONE
3.73R(GT4),DUAL REAR WHEELS(R05)
Cutaway Van
2 Doors

Chevrolet Express 3500

2.8L L4 Diesel DOHC Turbo

Inner OUTER BEARING)(W/CUP AND CONE
3.73R(GT4),DUAL REAR WHEELS(R05)
Cutaway Van
2 Doors

1 Per Vehicle

2017

Chevrolet Express 3500

2.8L L4 Diesel DOHC Turbo

1 Inner

OUTER BEARING)(W/CUP AND CONE
3.73R(GT4)
Cutaway Van
2 Doors

Chevrolet Express 3500

2.8L L4 Diesel DOHC Turbo

Inner OUTER BEARING)(W/CUP AND CONE
3.73R(GT4)
Cutaway Van
2 Doors

1 Per Vehicle

2017

Chevrolet Express 3500

2.8L L4 Diesel DOHC Turbo

1 Inner

OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),DUAL REAR WHEELS(R05)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 159.0 In.

Chevrolet Express 3500

2.8L L4 Diesel DOHC Turbo

Inner OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),DUAL REAR WHEELS(R05)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 159.0 In.

1 Per Vehicle

2017

Chevrolet Express 3500

2.8L L4 Diesel DOHC Turbo

1 Inner

OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),DUAL REAR WHEELS(R05)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 177.0 In.

Chevrolet Express 3500

2.8L L4 Diesel DOHC Turbo

Inner OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),DUAL REAR WHEELS(R05)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 177.0 In.

1 Per Vehicle

2017

Chevrolet Express 3500

2.8L L4 Diesel DOHC Turbo

1 Inner

OUTER BEARING)(W/CUP AND CONE
4.10R(GT5)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 159.0 In.

Chevrolet Express 3500

2.8L L4 Diesel DOHC Turbo

Inner OUTER BEARING)(W/CUP AND CONE
4.10R(GT5)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 159.0 In.

1 Per Vehicle

2017

Chevrolet Express 3500

2.8L L4 Diesel DOHC Turbo

1 Inner

OUTER BEARING)(W/CUP AND CONE
4.10R(GT5)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 177.0 In.

Chevrolet Express 3500

2.8L L4 Diesel DOHC Turbo

Inner OUTER BEARING)(W/CUP AND CONE
4.10R(GT5)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 177.0 In.

1 Per Vehicle

2017

2016

2017

2016

Chevrolet Express 3500

6.0L V8 Gas OHV

1 Inner

OUTER BEARING)(W/CUP AND CONE
3.73R(GT4),DUAL REAR WHEELS(R05)
Cutaway Van
2 Doors

Chevrolet Express 3500

6.0L V8 Gas OHV

Inner OUTER BEARING)(W/CUP AND CONE
3.73R(GT4),DUAL REAR WHEELS(R05)
Cutaway Van
2 Doors

1 Per Vehicle

2017

2016

2017

2016

Chevrolet Express 3500

6.0L V8 Gas OHV

1 Inner

OUTER BEARING)(W/CUP AND CONE
3.73R(GT4)
Cutaway Van
2 Doors

Chevrolet Express 3500

6.0L V8 Gas OHV

Inner OUTER BEARING)(W/CUP AND CONE
3.73R(GT4)
Cutaway Van
2 Doors

1 Per Vehicle

2017

2016

2017

2016

Chevrolet Express 3500

6.0L V8 Gas OHV

1 Inner

OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),DUAL REAR WHEELS(R05)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 159.0 In.

Chevrolet Express 3500

6.0L V8 Gas OHV

Inner OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),DUAL REAR WHEELS(R05)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 159.0 In.

1 Per Vehicle

2017

2016

2017

2016

Chevrolet Express 3500

6.0L V8 Gas OHV

1 Inner

OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),DUAL REAR WHEELS(R05)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 177.0 In.

Chevrolet Express 3500

6.0L V8 Gas OHV

Inner OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),DUAL REAR WHEELS(R05)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 177.0 In.

1 Per Vehicle

2017

2016

2017

2016

Chevrolet Express 3500

6.0L V8 Gas OHV

1 Inner

OUTER BEARING)(W/CUP AND CONE
4.10R(GT5)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 159.0 In.

Chevrolet Express 3500

6.0L V8 Gas OHV

Inner OUTER BEARING)(W/CUP AND CONE
4.10R(GT5)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 159.0 In.

1 Per Vehicle

2017

2016

2017

2016

Chevrolet Express 3500

6.0L V8 Gas OHV

1 Inner

OUTER BEARING)(W/CUP AND CONE
4.10R(GT5)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 177.0 In.

Chevrolet Express 3500

6.0L V8 Gas OHV

Inner OUTER BEARING)(W/CUP AND CONE
4.10R(GT5)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 177.0 In.

1 Per Vehicle

Chevrolet Express 3500

4.8L V8 Flex OHV,
6.0L V8 Flex OHV

1 Inner

OUTER BEARING)(W/CUP AND CONE
3.73R(GT4),DUAL REAR WHEELS(R05)
Cutaway Van
2 Doors

Chevrolet Express 3500

4.8L V8 Flex OHV,
6.0L V8 Flex OHV

Inner OUTER BEARING)(W/CUP AND CONE
3.73R(GT4),DUAL REAR WHEELS(R05)
Cutaway Van
2 Doors

1 Per Vehicle

Chevrolet Express 3500

4.8L V8 Flex OHV,
6.0L V8 Flex OHV

1 Inner

OUTER BEARING)(W/CUP AND CONE
3.73R(GT4)
Cutaway Van
2 Doors

Chevrolet Express 3500

4.8L V8 Flex OHV,
6.0L V8 Flex OHV

Inner OUTER BEARING)(W/CUP AND CONE
3.73R(GT4)
Cutaway Van
2 Doors

1 Per Vehicle

Chevrolet Express 3500

4.8L V8 Flex OHV,
6.0L V8 Flex OHV

1 Inner

OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),DUAL REAR WHEELS(R05)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 159.0 In.

Chevrolet Express 3500

4.8L V8 Flex OHV,
6.0L V8 Flex OHV

Inner OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),DUAL REAR WHEELS(R05)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 159.0 In.

1 Per Vehicle

Chevrolet Express 3500

4.8L V8 Flex OHV,
6.0L V8 Flex OHV

1 Inner

OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),DUAL REAR WHEELS(R05)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 177.0 In.

Chevrolet Express 3500

4.8L V8 Flex OHV,
6.0L V8 Flex OHV

Inner OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),DUAL REAR WHEELS(R05)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 177.0 In.

1 Per Vehicle

Chevrolet Express 3500

4.8L V8 Flex OHV,
6.0L V8 Flex OHV

1 Inner

OUTER BEARING)(W/CUP AND CONE
4.10R(GT5)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 159.0 In.

Chevrolet Express 3500

4.8L V8 Flex OHV,
6.0L V8 Flex OHV

Inner OUTER BEARING)(W/CUP AND CONE
4.10R(GT5)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 159.0 In.

1 Per Vehicle

Chevrolet Express 3500

4.8L V8 Flex OHV,
6.0L V8 Flex OHV

1 Inner

OUTER BEARING)(W/CUP AND CONE
4.10R(GT5)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 177.0 In.

Chevrolet Express 3500

4.8L V8 Flex OHV,
6.0L V8 Flex OHV

Inner OUTER BEARING)(W/CUP AND CONE
4.10R(GT5)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 177.0 In.

1 Per Vehicle

2017

Chevrolet Express 4500

6.0L V8 Flex

1 Inner

OUTER BEARING)(W/CUP AND CONE
3.73R(GT4),DUAL REAR WHEELS(R05)

Chevrolet Express 4500

6.0L V8 Flex

Inner OUTER BEARING)(W/CUP AND CONE
3.73R(GT4),DUAL REAR WHEELS(R05)

1 Per Vehicle

2017

Chevrolet Express 4500

6.0L V8 Flex

1 Inner

OUTER BEARING)(W/CUP AND CONE
3.73R(GT4)

Chevrolet Express 4500

6.0L V8 Flex

Inner OUTER BEARING)(W/CUP AND CONE
3.73R(GT4)

1 Per Vehicle

2019

2018

2017

2016

Chevrolet Silverado 2500 HD

6.0L V8 Flex OHV,
6.0L V8 Gas OHV

1 Inner

OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc

Chevrolet Silverado 2500 HD

6.0L V8 Flex OHV,
6.0L V8 Gas OHV

Inner OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc

1 Per Vehicle

2019

2018

2017

2016

2015

Chevrolet Silverado 2500 HD

6.0L V8 Flex OHV,
6.0L V8 Gas OHV

1 Inner

OUTER BEARING)(W/CUP AND CONE
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
3.73R(GT4),4.10R(GT5), 10.50 RING GEAR SAGINAW-AMERICAN AXLE
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc

Chevrolet Silverado 2500 HD

6.0L V8 Flex OHV,
6.0L V8 Gas OHV

Inner OUTER BEARING)(W/CUP AND CONE
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
3.73R(GT4),4.10R(GT5), 10.50 RING GEAR SAGINAW-AMERICAN AXLE
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc

1 Per Vehicle

2018

2017

2016

2018

2017

2016

Chevrolet Silverado 2500 HD

6.0L V8 Flex OHV,
6.0L V8 Gas OHV

1 Inner

OUTER BEARING)(W/CUP AND CONE
Except HIGHER PAYLOAD PERFORMANCE PKG(UB7)
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc

Chevrolet Silverado 2500 HD

6.0L V8 Flex OHV,
6.0L V8 Gas OHV

Inner OUTER BEARING)(W/CUP AND CONE
Except HIGHER PAYLOAD PERFORMANCE PKG(UB7)
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc

1 Per Vehicle

2019

2018

2017

2019

2018

2017

Chevrolet Suburban 3500 HD

6.0L V8 Flex OHV

1 Inner

OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc

Chevrolet Suburban 3500 HD

6.0L V8 Flex OHV

Inner OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc

1 Per Vehicle

2018

2017

2018

2017

Chevrolet Suburban 3500 HD

6.0L V8 Gas OHV

1 Inner

OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc

Chevrolet Suburban 3500 HD

6.0L V8 Gas OHV

Inner OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc

1 Per Vehicle

2018

2017

2016

2018

2017

2016

Chevrolet Suburban 3500 HD

6.0L V8 Flex OHV,
6.0L V8 Gas OHV

1 Inner

OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80), 11.50 RING GEAR DANA
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc

Chevrolet Suburban 3500 HD

6.0L V8 Flex OHV,
6.0L V8 Gas OHV

Inner OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80), 11.50 RING GEAR DANA
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Front Disc
Rear Disc

1 Per Vehicle

2017

GMC Savana 3500

2.8L L4 Diesel DOHC Turbo

1 Inner

OUTER BEARING)(W/CUP AND CONE
3.73R(GT4),DUAL REAR WHEELS(R05)
Cutaway Van
2 Doors

GMC Savana 3500

2.8L L4 Diesel DOHC Turbo

Inner OUTER BEARING)(W/CUP AND CONE
3.73R(GT4),DUAL REAR WHEELS(R05)
Cutaway Van
2 Doors

1 Per Vehicle

2017

GMC Savana 3500

2.8L L4 Diesel DOHC Turbo

1 Inner

OUTER BEARING)(W/CUP AND CONE
3.73R(GT4)
Cutaway Van
2 Doors

GMC Savana 3500

2.8L L4 Diesel DOHC Turbo

Inner OUTER BEARING)(W/CUP AND CONE
3.73R(GT4)
Cutaway Van
2 Doors

1 Per Vehicle

2017

GMC Savana 3500

2.8L L4 Diesel DOHC Turbo

1 Inner

OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),DUAL REAR WHEELS(R05)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 159.0 In.

GMC Savana 3500

2.8L L4 Diesel DOHC Turbo

Inner OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),DUAL REAR WHEELS(R05)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 159.0 In.

1 Per Vehicle

2017

GMC Savana 3500

2.8L L4 Diesel DOHC Turbo

1 Inner

OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),DUAL REAR WHEELS(R05)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 177.0 In.

GMC Savana 3500

2.8L L4 Diesel DOHC Turbo

Inner OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),DUAL REAR WHEELS(R05)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 177.0 In.

1 Per Vehicle

2017

GMC Savana 3500

2.8L L4 Diesel DOHC Turbo

1 Inner

OUTER BEARING)(W/CUP AND CONE
4.10R(GT5)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 159.0 In.

GMC Savana 3500

2.8L L4 Diesel DOHC Turbo

Inner OUTER BEARING)(W/CUP AND CONE
4.10R(GT5)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 159.0 In.

1 Per Vehicle

2017

GMC Savana 3500

2.8L L4 Diesel DOHC Turbo

1 Inner

OUTER BEARING)(W/CUP AND CONE
4.10R(GT5)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 177.0 In.

GMC Savana 3500

2.8L L4 Diesel DOHC Turbo

Inner OUTER BEARING)(W/CUP AND CONE
4.10R(GT5)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 177.0 In.

1 Per Vehicle

2017

2016

2017

2016

GMC Savana 3500

6.0L V8 Gas OHV

1 Inner

OUTER BEARING)(W/CUP AND CONE
3.73R(GT4),DUAL REAR WHEELS(R05)
Cutaway Van
2 Doors

GMC Savana 3500

6.0L V8 Gas OHV

Inner OUTER BEARING)(W/CUP AND CONE
3.73R(GT4),DUAL REAR WHEELS(R05)
Cutaway Van
2 Doors

1 Per Vehicle

2017

2016

2017

2016

GMC Savana 3500

6.0L V8 Gas OHV

1 Inner

OUTER BEARING)(W/CUP AND CONE
3.73R(GT4)
Cutaway Van
2 Doors

GMC Savana 3500

6.0L V8 Gas OHV

Inner OUTER BEARING)(W/CUP AND CONE
3.73R(GT4)
Cutaway Van
2 Doors

1 Per Vehicle

2017

2016

2017

2016

GMC Savana 3500

6.0L V8 Gas OHV

1 Inner

OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),DUAL REAR WHEELS(R05)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 159.0 In.

GMC Savana 3500

6.0L V8 Gas OHV

Inner OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),DUAL REAR WHEELS(R05)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 159.0 In.

1 Per Vehicle

2017

2016

2017

2016

GMC Savana 3500

6.0L V8 Gas OHV

1 Inner

OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),DUAL REAR WHEELS(R05)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 177.0 In.

GMC Savana 3500

6.0L V8 Gas OHV

Inner OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),DUAL REAR WHEELS(R05)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 177.0 In.

1 Per Vehicle

2017

2016

2017

2016

GMC Savana 3500

6.0L V8 Gas OHV

1 Inner

OUTER BEARING)(W/CUP AND CONE
4.10R(GT5)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 159.0 In.

GMC Savana 3500

6.0L V8 Gas OHV

Inner OUTER BEARING)(W/CUP AND CONE
4.10R(GT5)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 159.0 In.

1 Per Vehicle

2017

2016

2017

2016

GMC Savana 3500

6.0L V8 Gas OHV

1 Inner

OUTER BEARING)(W/CUP AND CONE
4.10R(GT5)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 177.0 In.

GMC Savana 3500

6.0L V8 Gas OHV

Inner OUTER BEARING)(W/CUP AND CONE
4.10R(GT5)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 177.0 In.

1 Per Vehicle

GMC Savana 3500

4.8L V8 Flex OHV,
6.0L V8 Flex OHV

1 Inner

OUTER BEARING)(W/CUP AND CONE
3.73R(GT4),DUAL REAR WHEELS(R05)
Cutaway Van
2 Doors

GMC Savana 3500

4.8L V8 Flex OHV,
6.0L V8 Flex OHV

Inner OUTER BEARING)(W/CUP AND CONE
3.73R(GT4),DUAL REAR WHEELS(R05)
Cutaway Van
2 Doors

1 Per Vehicle

GMC Savana 3500

4.8L V8 Flex OHV,
6.0L V8 Flex OHV

1 Inner

OUTER BEARING)(W/CUP AND CONE
3.73R(GT4)
Cutaway Van
2 Doors

GMC Savana 3500

4.8L V8 Flex OHV,
6.0L V8 Flex OHV

Inner OUTER BEARING)(W/CUP AND CONE
3.73R(GT4)
Cutaway Van
2 Doors

1 Per Vehicle

GMC Savana 3500

4.8L V8 Flex OHV,
6.0L V8 Flex OHV

1 Inner

OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),DUAL REAR WHEELS(R05)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 159.0 In.

GMC Savana 3500

4.8L V8 Flex OHV,
6.0L V8 Flex OHV

Inner OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),DUAL REAR WHEELS(R05)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 159.0 In.

1 Per Vehicle

GMC Savana 3500

4.8L V8 Flex OHV,
6.0L V8 Flex OHV

1 Inner

OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),DUAL REAR WHEELS(R05)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 177.0 In.

GMC Savana 3500

4.8L V8 Flex OHV,
6.0L V8 Flex OHV

Inner OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),DUAL REAR WHEELS(R05)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 177.0 In.

1 Per Vehicle

GMC Savana 3500

4.8L V8 Flex OHV,
6.0L V8 Flex OHV

1 Inner

OUTER BEARING)(W/CUP AND CONE
4.10R(GT5)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 159.0 In.

GMC Savana 3500

4.8L V8 Flex OHV,
6.0L V8 Flex OHV

Inner OUTER BEARING)(W/CUP AND CONE
4.10R(GT5)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 159.0 In.

1 Per Vehicle

GMC Savana 3500

4.8L V8 Flex OHV,
6.0L V8 Flex OHV

1 Inner

OUTER BEARING)(W/CUP AND CONE
4.10R(GT5)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 177.0 In.

GMC Savana 3500

4.8L V8 Flex OHV,
6.0L V8 Flex OHV

Inner OUTER BEARING)(W/CUP AND CONE
4.10R(GT5)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 177.0 In.

1 Per Vehicle

2017

GMC Savana 4500

6.0L V8 Flex

1 Inner

OUTER BEARING)(W/CUP AND CONE
3.73R(GT4),DUAL REAR WHEELS(R05)

GMC Savana 4500

6.0L V8 Flex

Inner OUTER BEARING)(W/CUP AND CONE
3.73R(GT4),DUAL REAR WHEELS(R05)

1 Per Vehicle

2017

GMC Savana 4500

6.0L V8 Flex

1 Inner

OUTER BEARING)(W/CUP AND CONE
3.73R(GT4)

GMC Savana 4500

6.0L V8 Flex

Inner OUTER BEARING)(W/CUP AND CONE
3.73R(GT4)

1 Per Vehicle

2019

2018

2017

2016

GMC Sierra 2500 HD

6.0L V8 Flex OHV,
6.0L V8 Gas OHV

1 Inner

OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc

GMC Sierra 2500 HD

6.0L V8 Flex OHV,
6.0L V8 Gas OHV

Inner OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),POSITRACTION L/SLIP R/AXL(G80)
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc

1 Per Vehicle

2019

2018

2017

2016

GMC Sierra 2500 HD

6.0L V8 Gas OHV

1 Inner

OUTER BEARING)(W/CUP AND CONE
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
3.73R(GT4),4.10R(GT5), 10.50 RING GEAR SAGINAW-AMERICAN AXLE
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc

GMC Sierra 2500 HD

6.0L V8 Gas OHV

Inner OUTER BEARING)(W/CUP AND CONE
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
3.73R(GT4),4.10R(GT5), 10.50 RING GEAR SAGINAW-AMERICAN AXLE
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc

1 Per Vehicle

2019

2018

2017

2016

2015

GMC Sierra 2500 HD

6.0L V8 Flex OHV

1 Inner

OUTER BEARING)(W/CUP AND CONE
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
3.73R(GT4),4.10R(GT5), 10.50 RING GEAR SAGINAW-AMERICAN AXLE
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc

GMC Sierra 2500 HD

6.0L V8 Flex OHV

Inner OUTER BEARING)(W/CUP AND CONE
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
3.73R(GT4),4.10R(GT5), 10.50 RING GEAR SAGINAW-AMERICAN AXLE
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc

1 Per Vehicle

2018

2017

2016

2018

2017

2016

GMC Sierra 2500 HD

6.0L V8 Flex OHV,
6.0L V8 Gas OHV

1 Inner

OUTER BEARING)(W/CUP AND CONE
Except HIGHER PAYLOAD PERFORMANCE PKG(UB7)
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc

GMC Sierra 2500 HD

6.0L V8 Flex OHV,
6.0L V8 Gas OHV

Inner OUTER BEARING)(W/CUP AND CONE
Except HIGHER PAYLOAD PERFORMANCE PKG(UB7)
4 WHL DISC BRAKES W/SINGLE REAR WHEEL(J95)
3.73R(GT4),POSITRACTION L/SLIP R/AXL(G80)
Eng: L96
8th VIN Digit: G
Front Disc
Rear Disc

1 Per Vehicle

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Features and Benefits:

Specifications:

Select a vehicle to narrow ACDelco S1279 Differential Pinion Bearing fitment info!

2017

2017

Chevrolet Express 3500 2.8L L4 Diesel DOHC Turbo

1

Inner

OUTER BEARING)(W/CUP AND CONE 3.73R(GT4),DUAL REAR WHEELS(R05)Cutaway Van2 Doors

Chevrolet Express 3500

2.8L L4 Diesel DOHC Turbo Inner OUTER BEARING)(W/CUP AND CONE 3.73R(GT4),DUAL REAR WHEELS(R05)Cutaway Van2 Doors 1 Per Vehicle

2017

2017

Chevrolet Express 3500 2.8L L4 Diesel DOHC Turbo

1

Inner

OUTER BEARING)(W/CUP AND CONE 3.73R(GT4)Cutaway Van2 Doors

Chevrolet Express 3500

2.8L L4 Diesel DOHC Turbo Inner OUTER BEARING)(W/CUP AND CONE 3.73R(GT4)Cutaway Van2 Doors 1 Per Vehicle

2017

2017

Chevrolet Express 3500 2.8L L4 Diesel DOHC Turbo

1

Inner

OUTER BEARING)(W/CUP AND CONE 4.10R(GT5),DUAL REAR WHEELS(R05)Cutaway VanBed Length N/R In.2 DoorsWheel Base 159.0 In.

Chevrolet Express 3500

2.8L L4 Diesel DOHC Turbo Inner OUTER BEARING)(W/CUP AND CONE 4.10R(GT5),DUAL REAR WHEELS(R05)Cutaway VanBed Length N/R In.2 DoorsWheel Base 159.0 In. 1 Per Vehicle

2017

2017

Chevrolet Express 3500 2.8L L4 Diesel DOHC Turbo

1

Inner

OUTER BEARING)(W/CUP AND CONE 4.10R(GT5),DUAL REAR WHEELS(R05)Cutaway VanBed Length N/R In.2 DoorsWheel Base 177.0 In.

Chevrolet Express 3500

2.8L L4 Diesel DOHC Turbo Inner OUTER BEARING)(W/CUP AND CONE 4.10R(GT5),DUAL REAR WHEELS(R05)Cutaway VanBed Length N/R In.2 DoorsWheel Base 177.0 In. 1 Per Vehicle

2017

2017

Chevrolet Express 3500 2.8L L4 Diesel DOHC Turbo

1

Inner

OUTER BEARING)(W/CUP AND CONE 4.10R(GT5)Cutaway VanBed Length N/R In.2 DoorsWheel Base 159.0 In.

Chevrolet Express 3500

2.8L L4 Diesel DOHC Turbo Inner OUTER BEARING)(W/CUP AND CONE 4.10R(GT5)Cutaway VanBed Length N/R In.2 DoorsWheel Base 159.0 In. 1 Per Vehicle

2017

2017

Chevrolet Express 3500 2.8L L4 Diesel DOHC Turbo

1

Inner

OUTER BEARING)(W/CUP AND CONE 4.10R(GT5)Cutaway VanBed Length N/R In.2 DoorsWheel Base 177.0 In.

Chevrolet Express 3500

2.8L L4 Diesel DOHC Turbo Inner OUTER BEARING)(W/CUP AND CONE 4.10R(GT5)Cutaway VanBed Length N/R In.2 DoorsWheel Base 177.0 In. 1 Per Vehicle

2017

2017

Chevrolet Express 3500 6.0L V8 Gas OHV

1

Inner

OUTER BEARING)(W/CUP AND CONE 3.73R(GT4),DUAL REAR WHEELS(R05)Cutaway Van2 Doors

Chevrolet Express 3500

6.0L V8 Gas OHV Inner OUTER BEARING)(W/CUP AND CONE 3.73R(GT4),DUAL REAR WHEELS(R05)Cutaway Van2 Doors 1 Per Vehicle

2017

2017

Chevrolet Express 3500 6.0L V8 Gas OHV

1

Inner

OUTER BEARING)(W/CUP AND CONE 3.73R(GT4)Cutaway Van2 Doors

Chevrolet Express 3500

6.0L V8 Gas OHV Inner OUTER BEARING)(W/CUP AND CONE 3.73R(GT4)Cutaway Van2 Doors 1 Per Vehicle

2017

2017

Chevrolet Express 3500 6.0L V8 Gas OHV

1

Inner

OUTER BEARING)(W/CUP AND CONE 4.10R(GT5),DUAL REAR WHEELS(R05)Cutaway VanBed Length N/R In.2 DoorsWheel Base 159.0 In.

Chevrolet Express 3500

ACDelco S1279 Differential Pinion Bearing
for 2017 (please select make/model)

Chevrolet Express 3500

2.8L L4 Diesel DOHC Turbo

OUTER BEARING)(W/CUP AND CONE
3.73R(GT4),DUAL REAR WHEELS(R05)
Cutaway Van
2 Doors

2.8L L4 Diesel DOHC Turbo

Inner OUTER BEARING)(W/CUP AND CONE
3.73R(GT4),DUAL REAR WHEELS(R05)
Cutaway Van
2 Doors

1 Per Vehicle

Chevrolet Express 3500

2.8L L4 Diesel DOHC Turbo

OUTER BEARING)(W/CUP AND CONE
3.73R(GT4)
Cutaway Van
2 Doors

2.8L L4 Diesel DOHC Turbo

Inner OUTER BEARING)(W/CUP AND CONE
3.73R(GT4)
Cutaway Van
2 Doors

1 Per Vehicle

Chevrolet Express 3500

2.8L L4 Diesel DOHC Turbo

OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),DUAL REAR WHEELS(R05)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 159.0 In.

2.8L L4 Diesel DOHC Turbo

Inner OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),DUAL REAR WHEELS(R05)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 159.0 In.

1 Per Vehicle

Chevrolet Express 3500

2.8L L4 Diesel DOHC Turbo

OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),DUAL REAR WHEELS(R05)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 177.0 In.

2.8L L4 Diesel DOHC Turbo

Inner OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),DUAL REAR WHEELS(R05)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 177.0 In.

1 Per Vehicle

Chevrolet Express 3500

2.8L L4 Diesel DOHC Turbo

OUTER BEARING)(W/CUP AND CONE
4.10R(GT5)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 159.0 In.

2.8L L4 Diesel DOHC Turbo

Inner OUTER BEARING)(W/CUP AND CONE
4.10R(GT5)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 159.0 In.

1 Per Vehicle

Chevrolet Express 3500

2.8L L4 Diesel DOHC Turbo

OUTER BEARING)(W/CUP AND CONE
4.10R(GT5)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 177.0 In.

2.8L L4 Diesel DOHC Turbo

Inner OUTER BEARING)(W/CUP AND CONE
4.10R(GT5)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 177.0 In.

1 Per Vehicle

Chevrolet Express 3500

6.0L V8 Gas OHV

OUTER BEARING)(W/CUP AND CONE
3.73R(GT4),DUAL REAR WHEELS(R05)
Cutaway Van
2 Doors

6.0L V8 Gas OHV

Inner OUTER BEARING)(W/CUP AND CONE
3.73R(GT4),DUAL REAR WHEELS(R05)
Cutaway Van
2 Doors

1 Per Vehicle

Chevrolet Express 3500

6.0L V8 Gas OHV

OUTER BEARING)(W/CUP AND CONE
3.73R(GT4)
Cutaway Van
2 Doors

6.0L V8 Gas OHV

Inner OUTER BEARING)(W/CUP AND CONE
3.73R(GT4)
Cutaway Van
2 Doors

1 Per Vehicle

Chevrolet Express 3500

6.0L V8 Gas OHV

OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),DUAL REAR WHEELS(R05)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 159.0 In.

6.0L V8 Gas OHV

Inner OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),DUAL REAR WHEELS(R05)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 159.0 In.

1 Per Vehicle

Chevrolet Express 3500

6.0L V8 Gas OHV

OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),DUAL REAR WHEELS(R05)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 177.0 In.

6.0L V8 Gas OHV

Inner OUTER BEARING)(W/CUP AND CONE
4.10R(GT5),DUAL REAR WHEELS(R05)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 177.0 In.

1 Per Vehicle

Chevrolet Express 3500

6.0L V8 Gas OHV

OUTER BEARING)(W/CUP AND CONE
4.10R(GT5)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 159.0 In.

6.0L V8 Gas OHV

Inner OUTER BEARING)(W/CUP AND CONE
4.10R(GT5)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 159.0 In.

1 Per Vehicle

Chevrolet Express 3500

6.0L V8 Gas OHV

OUTER BEARING)(W/CUP AND CONE
4.10R(GT5)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 177.0 In.

6.0L V8 Gas OHV

Inner OUTER BEARING)(W/CUP AND CONE
4.10R(GT5)
Cutaway Van
Bed Length N/R In.
2 Doors
Wheel Base 177.0 In.

1 Per Vehicle

Chevrolet Express 3500

4.8L V8 Flex OHV,
6.0L V8 Flex OHV

OUTER BEARING)(W/CUP AND CONE
3.73R(GT4),DUAL REAR WHEELS(R05)
Cutaway Van
2 Doors

4.8L V8 Flex OHV,
6.0L V8 Flex OHV

Inner OUTER BEARING)(W/CUP AND CONE
3.73R(GT4),DUAL REAR WHEELS(R05)
Cutaway Van
2 Doors

1 Per Vehicle

Chevrolet Express 3500

4.8L V8 Flex OHV,
6.0L V8 Flex OHV

OUTER BEARING)(W/CUP AND CONE
3.73R(GT4)
Cutaway Van
2 Doors

4.8L V8 Flex OHV,
6.0L V8 Flex OHV

Inner OUTER BEARING)(W/CUP AND CONE
3.73R(GT4)
Cutaway Van
2 Doors

1 Per Vehicle