BUICK Differential & Rear-End Components Transmission & Drivetrain - Free Shipping on Orders Over $109 at Summit Racing

Dorman Axle Shafts, Direct Fit 630-113A

Axle Shaft Only, Buick 1986-77, Chevrolet 1990-77, Oldsmobile 1986-77, Pontiac 1986-83, 1981-77

Part Number: RNB-630-113A

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Dorman Axle Shafts 630-113

Axle, Rear, 26-Spline, 30.5 in. Length, GM, 7.50 in. Axle, Each

Part Number: RNB-630-113

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

USA Standard Gear Bearing Kits ZBKGM7.5-B

Ring and Pinion, Installation Kit, GM, 7.5 in., 7.6 in., Kit

Part Number: SPZ-58015

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Yukon Gear & Axle Spider Gear Kits YPKGM7.5-S-26

Spider Gear Kit, Open, 26 Spline, Rear, GM 7.5 in., GM 7.6 in., Kit

Part Number: YGA-16048

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

USA Standard Gear Differential Carrier Replacement Parts SL SPRING-SM

SPRING AND PIN KIT

Part Number: SPZ-17011

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Gears YGK2334

Ring and Pinion Gears and Installation Kit, 8.5" GM 4.56 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12625

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

USA Standard Gear Bearing Kits ZPKGM8.6-A

8.6" GM 99-08 PINION BRG & SEAL KIT, KOYO BRGS

Part Number: SPZ-60014

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Ridetech Narrowed 4-Link Axle Assemblies 11249683

Axle Assemblies, Narrowed, Ford 9 in., Black, 57.25 in. Flange to Flange, 31-Spline Axles, 1541H Alloy, Chevy,Buick, Oldsmobile, Pontiac, Kit

Part Number: ART-11249683

Not Yet Reviewed

Estimated Ship Date: Apr 8, 2026 if ordered today

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Estimated Ship Date: Apr 8, 2026 if ordered today

Ridetech Stock Width 4-Link Axle Assemblies 11169680

Axle Assemblies, Ford 9 in., Natural, 60.25 in. Flange to Flange, 31-Spline Axles, 1541H Alloy, Chevy, Pontiac, Kit

Part Number: ART-11169680

Not Yet Reviewed

Estimated Ship Date: Apr 8, 2026 if ordered today

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Estimated Ship Date: Apr 8, 2026 if ordered today

USA Standard Gear ZG Series Ring and Pinion Sets ZG GM8.5-538 GM 8.5/8.6 in. 5.38 Gears

Ring and Pinion Gears, 5.38:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: SPZ-36221

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Sets YG GM8.5-513 GM 8.5/8.6 in. 5.13 Gears

Ring and Pinion Gears, 5.13:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5/8.6 in., Set

Part Number: YGA-24163

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

GSP New CV Axle Assemblies for 2001-2005 AZTEK, 2002-2006 RENDEZVOUS - NCV10246

Axle Shafts, Direct Fit, New CV Axle Assembly, Steel, Each

Part Number: GNA-NCV10246

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

Richmond Gear EXCel Ring and Pinion Sets 12BC373 GM 8.875 in. (12-bolt) passenger car 3.73 Gears

Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 8.875 in., 12-Bolt Car, Set

Part Number: RMG-12BC373

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Powertrax Differential Carrier Replacement Parts 8031001ZAV

Spring, SPRING,COMPRSN, 500 LB/IN,OUTR

Part Number: PWT-8031001ZAV

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Richmond Gear EXCel 30 Spline Differential Carrier Cases GM 8.625 Inch XL-5050

Differential Carrier

Part Number: RMG-XL-5050

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Richmond Gear EXCel OEM Replacement Axle Shafts 92-25182

Axle Shaft, 28-Spline, Buick, Chevy, GMC, Oldsmobile, 8.0 in., Driver Side Rear, Each

Part Number: RMG-92-25182

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

GSP New CV Axle Assemblies NCV10225

Axle Shafts, Direct Fit, New CV Axle Assembly, Steel, Each

Part Number: GNA-NCV10225

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

Motive Gear Light-Duty Axle Shafts 26018080

Axle Shaft, Light-Duty, Rear, C-clip, 30-spline Inner, 30.375 in. Length, GM 8.5 in., Buick, Cadillac, Chevy

Part Number: MGR-26018080

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Motive Gear Differential Carrier Replacement Parts 559291

WASHER, PINION THRUST

Part Number: MGR-559291

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Powertrax Differential Carrier Replacement Parts 1940404DGW

DRIVE UNIT REPLACEMENT

Part Number: PWT-1940404DGW

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Powertrax Replacement Couplers 5201001CJR

COUPLER

Part Number: PWT-5201001CJR

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

GSP New CV Axle Assemblies for 2013-2022 ENCORE, 2015-2022 TRAX - NCV25000

CV Axle Assembly, New GSP CV Axle

Part Number: GNA-NCV25000

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

Motive Gear Basic Ring and Pinion Gear Installation Kits RG8RT

Ring and Pinion Installation Kit, Basic, GM 8.0 in., Rear, Kit

Part Number: MGR-RG8RT

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Richmond Gear EXCel Ring and Pinion Sets GM75456TK GM 7.5/7.625 in. 4.56 Gears

Ring and Pinion

Part Number: RMG-GM75456TK

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Yukon Gear & Axle Differential Pinion Bearing Spacers and Sleeves YY GM8.2-SLEEVE

Sleeve for 8.2" Chevy Yoke into a Buick, Oldsmobile, Pontiac Differential.

Part Number: YGA-41091

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today