OLDSMOBILE 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: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Dorman Axle Shafts 630-114

Axle Shaft, C-clip Type, 28-spline Inner, 1541 Carbon Steel, Rear, GM 7.5 in., Buick, Chevy, Pontiac, Kit

Part Number: RNB-630-114

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Dorman Axle Shafts 630-604

Rear Axle Shafts

Part Number: RNB-630-604

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

USA Standard Gear Spools and Mini Spools ZP MINSGM8.5-28

8.5" GM 28spl MINI SPOOL

Part Number: SPZ-59011

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Yukon Gear & Axle 26 Spline Differential Carriers GM 7.2 Inch, IFS YC G46002013

Differential Carrier, Open Differential Style, 26-spline, Steel, Front, GM 7.2 in., IFS, Chevy, GMC, Olds

Part Number: YGA-20117

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Yukon Gear & Axle Bearing Kits BK GM7.5-A

Yukon Bearing install kit for '81 and older GM 7.5" differential

Part Number: YGA-11061

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Yukon Gear & Axle Pinion Installation Kits PK GM7.5-A

Yukon Pinion install kit for '81 and older GM 7.5" differential

Part Number: YGA-13063

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Yukon Gear & Axle Differential Carrier Rebuild Kits and Spider Gears YPKGM7.2IFS-S

Yukon standard open spider gear kit for GM 7.2" S10 and S15 IFS

Part Number: YGA-16115

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Currie 9 in. Crate Rear End Assemblies CR-GG130TEBB

Crate Axle, 78-88 GM G-Body Centurion 9-Inch, Black PC, 31-Spline, 3.00 Ratio, Helical Limited Slip, 11" Explorer Disc

Part Number: CUR-CR-GG130TEBB

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

Currie 9 in. Crate Rear End Assemblies CR-GG130TWAB

Crate Axle, 78-88 GM G-Body Centurion 9-Inch, Black PC, 31-Spline, 3.00 Ratio, Helical Limited Slip, 11" Wilwood 11" Dynapro Black Calipers

Part Number: CUR-CR-GG130TWAB

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

Currie 9 in. Crate Rear End Assemblies CR-GG135TNBB

78-88 GM G-Body 9-Inch Crate, Black PC, 31-Spline Axle, 3.50 Ratio, Helical Worm Gear Differential, Brakes Not Included

Part Number: CUR-CR-GG135TNBB

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

Currie 9 in. Crate Rear End Assemblies CR-GG137TWAB

Crate Axle, 78-88 GM G-Body Centurion 9-Inch, Black PC, 31-Spline, 3.70 Ratio, Helical Limited Slip, 11" Wilwood 11" Dynapro Black Calipers

Part Number: CUR-CR-GG137TWAB

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

Currie 9 in. Crate Rear End Assemblies CR-GG141TEBB

Crate Axle, 78-88 GM G-Body Centurion 9-Inch, Black PC, 31-Spline, 4.11 Ratio, Helical Limited Slip, 11" Explorer Disc

Part Number: CUR-CR-GG141TEBB

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

Yukon Gear & Axle Grizzly Lockers GM 8.5/8.6 Inch YGLGM8.5-3-30

Differential Carrier, Grizzly Locker, Chromium Alloy Steel, 30-spline, Rear, GM 8.5 in., GM 8.6 in., Each

Part Number: YGA-28035

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Auburn Gear Grip-N-Loc 30 Spline Differential GM 8.5/8.6 Inch 546022

5 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Yukon Gear & Axle 1541H Alloy Axles YA G12479016

Axle Shaft, 28-Spline, 33.250 in. Length, Rear, GM, Each

Part Number: YGA-21564

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Yukon Gear & Axle 1541H Alloy Axles YA G25501599

Axle Shaft, 28-Spline, 30.438 in. Length, Rear, GM, Each

Part Number: YGA-21426

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Yukon Gear & Axle 1541H Alloy Axles YA G26050549

Axle Shaft, Rear, C-Clip, 1541H Alloy, 28 Spline, 28.813 in. Length, GM 7.625 in., Chevy/GMC, Pickup/SUV, Each

Part Number: YGA-21280

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Dorman 4WD Differential Actuators 49315

Front Axle Actuator, Chevy, GMC, Oldsmobile, Each

Part Number: RNB-49315

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Dorman 4WD Differential Actuators 600-103

Front Axle Actuator, Vacuum, Buick, Chevy, GMC, Isuzu, Oldsmobile, Each

Part Number: RNB-600-103

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Dorman 4WD Differential Actuators 600-121

4WD Actuator, Differential Oil Check Valve, Chevy, Oldsmobile, Pontiac, Saturn, Each

Part Number: RNB-600-121

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Dorman Differential Gear Kits 600-561

Four Wheel Drive Differential Gear Kit

Part Number: RNB-600-561

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Dorman Axle Seals and O-Rings 600-605

Seal, Axle, Round, Buick, Cheverolet, GMC, Oldsmobile, 4WD, AWD, Each

Part Number: RNB-600-605

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

USA Standard Gear Posi 31 Spline Differential Carriers GM 8.5 Inch, O axle ZP PGM8.5O-3-31

Differential Carrier, Limited Slip, 31-Spline Axle, Oldsmobile, 8.5 in., Each

Part Number: SPZ-59006

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Dorman Ring and Pinion Gear Installation Kits 797-100

Premium Ring And Pinion Master Bearing And Installation Kit

Part Number: RNB-797-100

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Dorman Ring and Pinion Gear Installation Kits 797-102

R-P Mstr Brng Kit

Part Number: RNB-797-102

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today