2003 GMC SIERRA 1500 HD Differential & Rear-End Components Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options

Timken Pinion Bearing Races HM804810

Bearing Race, Differential Pinion, 3.750 in. Diameter, Cadillac, Each

Part Number: TMK-HM804810

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Powertrax Lock-Right Lockers Chrysler 9.25 Inch 1950-LR

Differential, Lock-Right, Locker, 33-Spline, GM, 9.2 in./9.5 in., Each

Part Number: PWT-1950-LR

4.67 out of 5 stars ( 3 )

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Motive Gear Differential Bearing Kits 706016XR

Differential Carrier Bearing, Races Included, Koyo Bearing, Steel, Set

Part Number: MGR-706016XR

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SVL Drivetrain Ring and Pinion Gear Sets 2020954 GM 8.5/8.6 in. 3.90 Gears

Ring & Pinion Gear Set GM 10 Bolt 8.5" / 3.90 Ratio

Part Number: SVL-2020954

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Auburn Gear Select-A-Loc 35 Spline Differential Dana 60 545023

Auburn Gear Select-A-Loc 35 Spline Differential Dana 60 545023

Differential, Auburn, Locker, Select-A-Loc, 35-Spline, Dana 60, 10-Bolt, Each

Part Number: AUB-545023

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Eaton Electronic ELocker 35 Spline Differential Dana 60/60-HD 14023-010

4 out of 5 stars ( 2 )

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Yukon Gear & Axle Master Overhaul Kits YK GM9.5-B

Ring and Pinion Gear Installation Kit, Master Overhaul, 30 Spline, GM 9.5 in., Kit

Part Number: YGA-14097

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Motive Gear Differential Pinion Shims 1100

Differential Shims, Pinion Shim Type, Steel, Set

Part Number: MGR-1100

3.86 out of 5 stars ( 7 )

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Timken Pinion Bearing Races HM88610

Pinion Bearing Race, 2.844 in. Diameter, Each

Part Number: TMK-HM88610

5.0 out of 5 stars ( 1 )

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Timken Pinion Bearings HM88649

Differential Pinion Bearing, 1.375 in. Inside Diameter, Each

Part Number: TMK-HM88649

5.0 out of 5 stars ( 2 )

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Timken Pinion Bearing Races HM803110

Pinion Bearing Race, Fits Bearing with 3.500 in. Outside Diameter, Each

Part Number: TMK-HM803110

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Timken Differential Bearings SET69

Differential Carrier Bearings, Standard Replacement, Includes Cup, 1.625 in. Bore, AMC, GM, Mopar, Jeep, International, Studebaker, Hummer, Each

Part Number: TMK-SET69

5.0 out of 5 stars ( 1 )

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Dorman 14 Bolt GM 9.5 Inch Differential Cover 697-711

Differential Cover, 14-bolt, Steel, Black, GM 9.5 in., Each

Part Number: RNB-697-711

4.5 out of 5 stars ( 2 )

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Yukon Gear & Axle Pinion Nut Washers YSPPN-033

Pinion Nut Washer, GM, Each

Part Number: YGA-33167

5.0 out of 5 stars ( 2 )

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Motive Gear Open Differential Internal Kits GM9.5BI

Differential Carrier Rebuild Kits and Spider Gears, Open Differential Internal Kits, GM 9.25/9.25 IFS/9.5 in., 33-spline, 14-bolt, Chevy, Dodge, Kit

Part Number: MGR-GM95BI

5.0 out of 5 stars ( 1 )

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BCA Bearings by NTN Differential Bearing Kits NBRA321C

Ring and Pinion Gear Installation Kit, Differential Bearings, GM 8.5/8.6 in., Kit

Part Number: NTN-NBRA321C

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Eaton Detroit Lockers GM 9.5 Inch 225C135A

Differential, Eaton Detroit Locker, 33-Spline, GM, 9.5 in., 14-Bolt, Each

Part Number: ETN-225C135A

5.0 out of 5 stars ( 3 )

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Motive Gear Differential Bearing Kits R9.5GRLMKT

Ring and Pinion Installation Kit, GM 9.5 in., Kit

Part Number: MGR-R95GRLMKT

5.0 out of 5 stars ( 1 )

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Richmond Gear Crush Sleeves 19-0004-1

Differential Crush Sleeve; Fits GM 8.5 in.

Part Number: RMG-19-0004-1

5.0 out of 5 stars ( 1 )

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SVL Drivetrain Ring and Pinion Gear Sets 2023704 GM 8.5/8.6 in. 4.88 Gears

Ring and Pinion Gears, GM 8.5/8.6 in., 4.88:1 Ratio, 30-spline, Standard, Must Use 2.73:1 or Numerically Higher Ratio Carrier, GM 8.5/8.6 in., Set

Part Number: SVL-2023704

5.0 out of 5 stars ( 1 )

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SVL Drivetrain Spider Gear Kits 2023880

Differential Inner Gear Kit; GM 9.5 - 33 Spline, Open Diff

Part Number: SVL-2023880

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Motive Gear Pinion Nuts 1260823

Pinion Nut, Steel, Each

Part Number: MGR-1260823

4.0 out of 5 stars ( 5 )

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Spicer Drivetrain Products Pinion Bearings 706045X

Differential Pinion Bearing Kit (Cup/Cone) - Dana 60/70

Part Number: SDH-706045X

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Yukon Gear & Axle Super Carrier Shims SK SSGM9.5

Carrier Shims, Steel, GM 9.5 in., Kit

Part Number: YGA-55003

4.67 out of 5 stars ( 6 )

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Motive Gear Performance Ring and Pinion Sets G895456IFS GM 9.25 in. IFS 4.56 Gears

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 9.25 in., IFS, Set

Part Number: MGR-G895456IFS

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Dorman Ring and Pinion Sets 697-810 GM 8.5 in. 3.23 Gears

Gear, Ring and Pinion, 3.23:1 Ratio, GM 8.5 in., Set

Part Number: RNB-697-810

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