How to replace the drive pinion bearings on 8.6, 9.5/9.5LD, and 11.5 inch axles on Chevrolet Silverado 1500?

The replacement process for drive pinion bearings in 8.6, 9.5/9.5ld, and 11.5 inch axles requires starting by elevating the vehicle while extracting the Differential assembly. In case of an 8.6 inch axle, use the Pinion Bearing remover (J 45871) to encircle the Pinion Bearing while placing the split plate bearing puller (J 22912-01) in its inverted position around the j 45871. Users can use the tools j 45871 and j 22912-01 to press off the Pinion Bearing. The j 22912-01 should be used to remove bearings from 9.5/9.5ld and 11.5 inch axles. You should remove the shim and two Pinion Bearing cups from the axle housing by applying light blows with a hammer through brass drifts while maintaining an even extraction. To install the outer Pinion Bearing cup utilise the rear Pinion Bearing race installer (J 8611-01) for the 8.6 inch axle while using either the inner bearing race installer (J 7818) for the 9.5/9.5ld inch axle or the rear Pinion Bearing race installer (J 8608) for the 11.5 inch axle together with the driver handle (J 8092). The installation of the inner Pinion Bearing cup requires the Pinion Bearing cup installer (J 45900) for 8.6 inch axle combined with the pinion cup bearing installer - rear (J 22306) for 9.5/9.5ld inch axle or the rear Pinion Bearing race installer (J 44417) for 11.5 inch axle along with the driver handle (J 8092). The selected shim thickness needs determination before installation between the inner Pinion Bearing and the shoulder on the gear. The Pinion Bearing installation process requires the pinion cone and side bearing installer (J 24433) for the 8.6 inch axle along with the inner Pinion Bearing installer (J 36614) for the 9.5/9.5ld inch axle or the Pinion Bearing installer (J 44412) for the 11.5 inch axle to press until the cone seats on the pinion shim. After installing a new collapsible spacer the pinion bearings need proper axle lubricant for lubrication before installation. Use the rear axle pinion oil seal installer (J 22388) to install the outer Pinion Bearing and new pinion oil seal in the axle housing for both 8.6 inch and 9.5/9.5ld inch axles. The 11.5 inch axle requires the rear axle pinion oil seal installer (J 44414). The pinion yoke installation requires inserting it into the axle housing followed by pinion splay sealant application (GM P/N 12346004 or Canadian P/N 10953480) on the pinion yoke splines. Finish by setting the pinion yoke according to the removal marks and verify its alignment. Tapping the pinion yoke onto the pinion shaft with a soft-faced hammer should expose several pinion shaft threads from the yoke surface. Use the flange and pulley holding tool (J 8614-01) on the pinion yoke during pinion nut tightening until just taking up the pinion end play. Use an inch-pound torque wrench to check the rotating torque of the pinion while it should measure between 1.0 - 2.3 nm (10 - 20 inch lbs.) for used bearings and 1.7 - 3.4 nm (15 - 30 inch lbs.) for new bearings when performing the installation. To reach the specified torque repeat small increments of pinion nut tightening while checking the pinion ends play and rotating torque before inspecting the bearing seating process. Last step involves reinstallation of the Differential assembly followed by lubricant addition into the axle before vehicle lowering.

OEM Chevrolet Silverado 1500 Pinion Bearing

Transmission Pinion Bearing

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24 Pinion Bearings found

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Chevrolet Silverado 1500 Pinion Seal, Outer Part Number: 25824252
$50.05 MSRP: $97.14
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Product Specifications
- Other Name: Bearing, Differential Drive Pinion Gear Outer; Differential Pinion Bearing; Pinion Bearings; Side Bearings; Bearing; Bearing, Pinion Shaft Front
- Position: Outer
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2021 Chevrolet Silverado 1500 | Custom, Custom Trail Boss, High Country, Hybrid, LS, LT, LT Trail Boss, LTZ, RST, SSV, WT, XFE | 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL, 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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Chevrolet Silverado 1500 Side Bearings Part Number: 25824250
$73.65 MSRP: $142.94
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Product Specifications
- Other Name: Bearing, Differential Side Gear; Differential Pinion Bearing; Differential Bearing
- Replaces: 09418390, 9418390
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2021 Chevrolet Silverado 1500 | Base, Custom, Custom Trail Boss, Hybrid, LS, LT, LTZ, SS, WT, XFE, Z71 Off-Road | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX
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Chevrolet Silverado 1500 Wheel Bearing Part Number: 9436881
$80.31 MSRP: $145.36
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Product Specifications
- Other Name: Bearing, Differential; Differential Pinion Bearing; Differential Bearing; Axle Bearings; Shaft; Inner; Side; Differential Gear; Front Wheel; Rear Wheel; Nut.
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2010 Chevrolet Silverado 1500 | Base, Hybrid, LS, LT, LTZ, SS, WT, XFE, Z71 Off-Road | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX
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Chevrolet Silverado 1500 Pinion Bearings Part Number: 454021
$161.60 MSRP: $292.48
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Product Specifications
- Other Name: Bearing Assembly, Differential Drive Pinion Gear; Differential Pinion Bearing; Rear Pinion Bearing; Inner Pinion Bearing; Differential Drive Pinion; Rear Wheel Bearing.
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2006 Chevrolet Silverado 1500 | Base, Hybrid, LS, LT, SS, WT, Z71 Off-Road | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Silverado 1500 Pinion Bearings Part Number: 9413427
$56.84 MSRP: $109.76
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Product Specifications
- Other Name: Bearing, Differential Drive Pinion Gear Outer; Differential Pinion Bearing; Rear, Front, Outer Pinion Bearings; Differential Drive, Steering Knuckle King, Pinion Shaft, Front Axle Bearings.
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2018 Chevrolet Silverado 1500 | Base, Custom, High Country, Hybrid, LS, LT, LTZ, SS, SSV, WT, XFE, Z71 Off-Road | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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Chevrolet Silverado 1500 Pinion Bearings Part Number: 23243839
$72.64 MSRP: $142.22
You Save: $69.58 (49%)
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Product Specifications
- Other Name: Bearing, Differential Pinion; Differential Pinion Bearing; Rear Pinion Bearing; Front/Inner/Outer Pinion; Diff/Drive Axle; Pinion/Clutch/Rear Wheel
- Position: Front
- Replaces: 09418357, 26053758, 9418357, 15286375, 20997052, 22786621, 9418356, 09418356, 12479221
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2023 Chevrolet Silverado 1500 | Base, Custom, Custom Trail Boss, High Country, Hybrid, LS, LT, LT Trail Boss, LTZ, SS, SSV, WT, XFE, Z71 Off-Road | 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL, 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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Chevrolet Silverado 1500 Side Bearings Part Number: 88943839
$48.83 MSRP: $144.56
You Save: $95.73 (67%)
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Product Specifications
- Other Name: Bearing, Differential Side Gear; Differential Bearing
- Replaces: 26091723
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2005 Chevrolet Silverado 1500 | Base, Hybrid, LS, LT, SS, WT, Z71 Off-Road | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Silverado 1500 Pinion Bearings, Inner Part Number: 457108
$56.11 MSRP: $154.36
You Save: $98.25 (64%)
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Product Specifications
- Other Name: Bearing, Differential Drive Pinion Gear Inner; Differential Pinion Bearing; Rear Pinion Bearing; Front Pinion Bearing; Inner Pinion Bearing; Differential Drive Pinion Bearings.
- Position: Inner
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2006 Chevrolet Silverado 1500 | Base, Hybrid, LS, LT, SS, WT, Z71 Off-Road | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Silverado 1500 Side Bearings Part Number: 11505123
$57.30 MSRP: $169.58
You Save: $112.28 (67%)
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Product Specifications
- Other Name: Bearing, Differential Side Gear; Differential Pinion Bearing; Differential Bearing; Bearing
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2013 Chevrolet Silverado 1500 | Base, Hybrid, LS, LT, LTZ, SS, WT, XFE, Z71 Off-Road | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX
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Chevrolet Silverado 1500 Pinion Bearings, Outer Part Number: 22943108
$35.57 MSRP: $69.63
You Save: $34.06 (49%)
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Product Specifications
- Other Name: Bearing Assembly-Differential Drive Pinion Gear Outer; Differential Pinion Bearing; Axle Bearing; Outer Bearing; Front Pinion Bearing; Bearing, Pinion Shaft Front
- Position: Outer
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2019 Chevrolet Silverado 1500 | Custom, Custom Trail Boss, High Country, LS, LT, LT Trail Boss, LTZ, RST, SSV, WT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS
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Chevrolet Silverado 1500 Pinion Bearings, Outer Part Number: 15534483
$53.12 MSRP: $94.85
You Save: $41.73 (44%)
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Product Specifications
- Other Name: Bearing Assembly, Differential Drive Pinion Gear Outer; Differential Pinion Bearing; Front Pinion Bearing; Bearing, Differential Pinion; Bearing, Pinion Shaft Front
- Position: Outer
- Replaces: 09440836, 9440836
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2005 Chevrolet Silverado 1500 | Base, Hybrid, LS, LT, SS, WT, Z71 Off-Road | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Silverado 1500 Pinion Bearings Part Number: 9413168
$93.86 MSRP: $167.61
You Save: $73.75 (44%)
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Product Specifications
- Other Name: Bearing Assembly-Roller; Differential Pinion Bearing; Rear Pinion Bearing; Front Pinion Bearing; Drive Pinion Bearing Assembly.
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2005 Chevrolet Silverado 1500 | Base, Hybrid, LS, LT, SS, WT, Z71 Off-Road | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Silverado 1500 Side Bearings Part Number: 22786619
$126.72 MSRP: $245.94
You Save: $119.22 (49%)
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Product Specifications
- Other Name: Bearing, Differential Side Gear; Differential Bearing
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2018 Chevrolet Silverado 1500 | Custom, High Country, LS, LT, LTZ, SSV, WT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS
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Chevrolet Silverado 1500 Pinion Bearings Part Number: 84428299
$24.40 MSRP: $45.81
You Save: $21.41 (47%)
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Product Specifications
- Other Name: Bearing, Differential Pinion; Differential Pinion Bearing; Front Pinion Bearing
- Position: Front
- Replaced by: 85722137
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2023 Chevrolet Silverado 1500 | Custom, High Country, LT, LTZ, RST, SSV, WT | 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL, 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
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Chevrolet Silverado 1500 Pinion Bearings, Outer Part Number: 84682861
$24.08 MSRP: $45.22
You Save: $21.14 (47%)
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Product Specifications
- Other Name: Bearing Assembly-Differential Drive Pinion Gear Outer; Bearing, Pinion Shaft Front
- Position: Outer
- Replaces: 84092759
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2023 Chevrolet Silverado 1500 | Custom, Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, PPV, RST, SSV, WT, ZR2 | 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL, 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
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Chevrolet Silverado 1500 Pinion Bearings Part Number: 9414917
$70.11 MSRP: $133.08
You Save: $62.97 (48%)
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Product Specifications
- Other Name: Bearing, Differential Drive Pinion Gear Inner; Differential Pinion Bearing; Differential Bearing; Rear Pinion Bearing; Drive Pinion Rear; Axle Pinion Shaft; Ring And Pinion; Pinion Shaft Front.
- Position: Inner
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2010 Chevrolet Silverado 1500 | Base, Hybrid, LS, LT, LTZ, SS, WT, XFE, Z71 Off-Road | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX
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Chevrolet Silverado 1500 Pinion Bearings Part Number: 9417781
$43.86 MSRP: $103.28
You Save: $59.42 (58%)
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Product Specifications
- Other Name: Bearing, Front Differential Drive Pinion Gear Outer; Differential Pinion Bearing; Rear, Front, Outer Pinion Bearing; Differential Drive Pinion Front, Drive Pinion, Pinion Shaft Front, Front Axle
- Position: Front Outer
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2013 Chevrolet Silverado 1500 | Base, Hybrid, LS, LT, LTZ, SS, WT, XFE, Z71 Off-Road | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX
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Chevrolet Silverado 1500 Pinion Bearings, Outer Part Number: 84446306
$17.46 MSRP: $32.79
You Save: $15.33 (47%)
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Product Specifications
- Other Name: Bearing, Differential Drive Pinion Gear Outer; Differential Pinion Bearing; Axle Bearing; Outer Bearing; Bearing, Differential Pinion; Bearing, Pinion Shaft Front
- Position: Outer
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2023 Chevrolet Silverado 1500 | Custom, Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, PPV, RST, SSV, WT, ZR2 | 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL, 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
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Chevrolet Silverado 1500 Side Bearings Part Number: 84818639
$30.09 MSRP: $56.50
You Save: $26.41 (47%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Bearing, Differential Side Gear; Differential Pinion Bearing; Differential Bearing
- Replaces: 23352625
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2023 Chevrolet Silverado 1500 | Custom, Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, PPV, RST, SSV, WT, ZR2 | 4 Cyl 2.7 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
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Chevrolet Silverado 1500 Output Shaft Bearing Part Number: 84766413
$22.01 MSRP: $41.33
You Save: $19.32 (47%)
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Product Specifications
- Other Name: Bearing, Differential Side Gear; Differential Pinion Bearing; Differential Bearing; Axle Bearing; Side Bearings
- Replaces: 84446291
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2023 Chevrolet Silverado 1500 | Custom, Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, PPV, RST, SSV, WT, ZR2 | 4 Cyl 2.7 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS

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Chevrolet Silverado 1500 Pinion Bearing

Want to cut long-term maintenance and repair costs? Choose OEM Pinion Bearing. Those parts deliver top durability you can trust. On our site, you'll find a huge catalog of genuine Chevrolet Silverado 1500 parts. Prices are unbeatable, so you can keep more in your pocket. Every OEM Chevrolet Silverado 1500 Pinion Bearing includes a manufacturer's warranty. You can also get an easy return policy that keeps buying risk free. Fast delivery, get your car on the road quickly. It's simple to search, compare, and order. Stop guessing about quality or fit. Order today and save with parts that last.

Chevrolet Silverado 1500 Pinion Bearing Parts and Q&A

Side Bearings
11505123
Q: How to replace the drive pinion bearings on 8.6, 9.5/9.5LD, and 11.5 inch axles on Chevrolet Silverado 1500?
A:
The replacement process for drive pinion bearings in 8.6, 9.5/9.5ld, and 11.5 inch axles requires starting by elevating the vehicle while extracting the Differential assembly. In case of an 8.6 inch axle, use the Pinion Bearing remover (J 45871) to encircle the Pinion Bearing while placing the split plate bearing puller (J 22912-01) in its inverted position around the j 45871. Users can use the tools j 45871 and j 22912-01 to press off the Pinion Bearing. The j 22912-01 should be used to remove bearings from 9.5/9.5ld and 11.5 inch axles. You should remove the shim and two Pinion Bearing cups from the axle housing by applying light blows with a hammer through brass drifts while maintaining an even extraction. To install the outer Pinion Bearing cup utilise the rear Pinion Bearing race installer (J 8611-01) for the 8.6 inch axle while using either the inner bearing race installer (J 7818) for the 9.5/9.5ld inch axle or the rear Pinion Bearing race installer (J 8608) for the 11.5 inch axle together with the driver handle (J 8092). The installation of the inner Pinion Bearing cup requires the Pinion Bearing cup installer (J 45900) for 8.6 inch axle combined with the pinion cup bearing installer - rear (J 22306) for 9.5/9.5ld inch axle or the rear Pinion Bearing race installer (J 44417) for 11.5 inch axle along with the driver handle (J 8092). The selected shim thickness needs determination before installation between the inner Pinion Bearing and the shoulder on the gear. The Pinion Bearing installation process requires the pinion cone and side bearing installer (J 24433) for the 8.6 inch axle along with the inner Pinion Bearing installer (J 36614) for the 9.5/9.5ld inch axle or the Pinion Bearing installer (J 44412) for the 11.5 inch axle to press until the cone seats on the pinion shim. After installing a new collapsible spacer the pinion bearings need proper axle lubricant for lubrication before installation. Use the rear axle pinion oil seal installer (J 22388) to install the outer Pinion Bearing and new pinion oil seal in the axle housing for both 8.6 inch and 9.5/9.5ld inch axles. The 11.5 inch axle requires the rear axle pinion oil seal installer (J 44414). The pinion yoke installation requires inserting it into the axle housing followed by pinion splay sealant application (GM P/N 12346004 or Canadian P/N 10953480) on the pinion yoke splines. Finish by setting the pinion yoke according to the removal marks and verify its alignment. Tapping the pinion yoke onto the pinion shaft with a soft-faced hammer should expose several pinion shaft threads from the yoke surface. Use the flange and pulley holding tool (J 8614-01) on the pinion yoke during pinion nut tightening until just taking up the pinion end play. Use an inch-pound torque wrench to check the rotating torque of the pinion while it should measure between 1.0 - 2.3 nm (10 - 20 inch lbs.) for used bearings and 1.7 - 3.4 nm (15 - 30 inch lbs.) for new bearings when performing the installation. To reach the specified torque repeat small increments of pinion nut tightening while checking the pinion ends play and rotating torque before inspecting the bearing seating process. Last step involves reinstallation of the Differential assembly followed by lubricant addition into the axle before vehicle lowering.