BUICK Differential & Rear-End Components

Differential, Eaton Detroit Truetrac, 26-Spline, GM, 7.5 in., 3.23 and Higher, Each

Part Number: ETN-911A319

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 2/2/2026

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Axles, Direct Fit, C-Clip, Rear, 1541H Steel, 28-Spline, Buick, Chevy, Oldsmobile, Pontiac, 7.5 in., Pair

Part Number: MSR-A102810

5.0 out of 5 stars ( 12 )

Estimated Ship Date: Monday 2/2/2026

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Gear, Ring and Pinion, 3.08:1 Ratio, GM, 8.2 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900111

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/2/2026

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Gear, Ring and Pinion, 4.56:1 Ratio, GM, 12-Bolt Car, 4 Series, Set

Part Number: RMG-79-0072-1

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/2/2026

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Axle Assembly, 9 in. Alloy Steel. 1541H Alloy Steel Axles, 31 Spline, GM. Each

Part Number: CUR-CE-GMG7887X

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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Dura Grip Positraction Carrier, Traction-Loc, GM 7.5/7.6 in., 28 Spline, 3.23 Up Ratio, Each

Part Number: YGA-26018

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/2/2026

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Gear, Ring and Pinion, 4.10:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885410

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Monday 2/2/2026

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Axle C-Clip, 1.550 in. O.D,, 0.800 in. I.D., 0.150 in. Thick, Steel, Natural Finish, Each

Part Number: YGA-33083

4.89 out of 5 stars ( 38 )

Estimated Ship Date: Monday 2/2/2026

Pinion Bearing Spacer, Crush Sleeve Eliminator, Steel, Chrysler 9.25 in., GM 8.5 in., Each

Part Number: YGA-55048

4.85 out of 5 stars ( 26 )

Estimated Ship Date: Monday 2/2/2026

Bearing, Pinion, 1.625 in. Inside Diameter, Each

Part Number: TMK-M802048

4.67 out of 5 stars ( 30 )

Estimated Ship Date: Monday 2/2/2026

Differential, Lock-Right, Locker, 30-Spline, GM, 12-Bolt, Car/Truck, Each

Part Number: PWT-1910-LR

4.13 out of 5 stars ( 16 )

Estimated Ship Date: Monday 2/2/2026

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Differential Carrier, Positraction, Nodular Iron, GM 8.2 in., 28 Spline, 3.08 Up Ratio, Each

Part Number: SUM-730962

4.57 out of 5 stars ( 7 )

Estimated Ship Date: Monday 2/2/2026

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Gear, Ring and Pinion, 3.23:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900191

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/2/2026

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Gear, Ring and Pinion, 3.08:1 Ratio, GM, 8.5 in/8.6 in., Set

Part Number: MGR-GM10-308

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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Differential Carrier Bearing, Bearing and Race Set, Each

Part Number: TMK-SET36

4.33 out of 5 stars ( 15 )

Estimated Ship Date: Monday 2/2/2026

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 7.5 in./7.625 in., 3 Series, Set

Part Number: MGR-G875373

4.45 out of 5 stars ( 11 )

Estimated Ship Date: Monday 2/2/2026

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Ring and Pinion Gears,Yukon Gear & Axle 7.5"/7.625" GM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: YGA-10638

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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Differential, Posi Performance, Limited Slip, 28-Spline, Buick, Oldsmobile, Pontiac, 8.2 in., Each

Part Number: ETN-19674-010

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/2/2026

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Axle Assembly, 68-72 GM A-Body, Rear, Centurion 9-inch, 31-Spline, 5 x 4.75 in. Bolt Pattern, Housing & Axle Kit

Part Number: CUR-CE-GMA6872X

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/2/2026

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Differential Carrier, Positraction, Nodular Iron, GM 7.5/7.6 in., 26 Spline, 3.23 Up Ratio, Each

Part Number: SUM-730958

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Monday 2/2/2026

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Gear, Ring and Pinion, 4.10:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901651

4.6 out of 5 stars ( 10 )

Estimated Ship Date: Monday 2/2/2026

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Clutch Kit, Street-Strip Performance, 1-1/8 in. Shaft, 26-Spline, 11 in. Organic/Ceramic Disc, GM, Kit

Part Number: SUM-700930

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/2/2026

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Gear, Ring and Pinion, 3.73:1 Ratio, GM, 12-Bolt Car, Set

Part Number: RMG-4900961

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/2/2026

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Ring and Pinion Installation Kit, 12-bolt, 30-spline, Rear, GM 8.875 in. Passenger Car, Kit

Part Number: MGR-R12CRMKT

3.67 out of 5 stars ( 12 )

Estimated Ship Date: Monday 2/2/2026

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Bearing, Pinion, 1.312 in. Inside Diameter, Each

Part Number: TMK-M88048

5.0 out of 5 stars ( 14 )

Estimated Ship Date: Monday 2/2/2026