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BUICK GS Differential & Rear-End Components

Individual Parts

Results 76 - 100 of 113

Carrier Shims, Ford 8.8 in., GM 12-Bolt Truck, GM 9.3 in. C-Axle, Kit

Part Number: RMG-3800071

4.13 out of 5 stars ( 8 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Bearing, Pinion, 1.312 in. Inside Diameter, Each

Part Number: NTL-M88048

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Replcement Springs, Powertrax No-Slip, Kit

Part Number: PWT-8001001KAV

4.93 out of 5 stars ( 15 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Ring and Pinion Kit

Part Number: RMG-XL-1019-1

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Bolt, Ring Gear, 3/8-24, Right Hand Thread, Black Oxide, Each

Part Number: MGR-RGBT-003

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Mini Spool; Differential Pinion Shim; Fits Ford 7.5 in./Ford 8.8 in./GM 8.5 in.

Part Number: RMG-16-0090-1

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Differential Vent, Round, Plastic, White, 0.125 in. Thread Size, Buick, Cadillac, Chevrolet, Oldsmobile, Pontiac, Each

Part Number: OER-1236317

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Spool, Mini, Steel, 30-Spline, 12-Bolt, GM 8.875 in., Each

Part Number: RMG-78-1230-1

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

WASHER PIN GR 12BLT 8 7/8

Part Number: MGR-3880141

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Gear, Ring and Pinion, EXCel, 3.42:1 Ratio, GM, 8.875 in., 12-Bolt Car, Set

Part Number: RMG-12BC342

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Ring and Pinion Kit

Part Number: RMG-XL-1040-1

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Differential Shims, Pinion, Steel, Kit

Part Number: MGR-1104

3.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Ring and Pinion Installation Kit, GM, 12-Bolt Passenger Car, 8.875 in. Open, Kit

Part Number: MGR-GM12IKC

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

SOLID SPACER & SHIM KIT GM12 BOLT CAR

Part Number: MGR-4101

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

Differential Carrier Gear Kit

Part Number: RMG-XL-4058

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

MASTER SHIM KIT GM12 BOLT CAR

Part Number: MGR-GM12MCSK

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

Axle Shaft Retainer

Part Number: MGR-3833322

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

Ring and Pinion Installation Kit, Basic, GM 8.875 in. 12-Bolt, Rear, Kit

Part Number: MGR-R12CRT

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Ring and Pinion Installation Kit, Basic, GM 8.5 in., Front/Rear, Kit

Part Number: MGR-R10RTPK

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

Pinion Bearing Kit, PBK GM 8.875" CAR

Part Number: MGR-R12CRPK

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Ring and Pinion Bearing Kit

Part Number: MGR-GM85PIK

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

Mini Spool, MINI SPOOL GM 12 BOLT CAR

Part Number: RMG-XL-5145

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

COUPLER ASSEMBLY

Part Number: PWT-5201133CIS

Not Yet Reviewed

Estimated Ship Date: Jun 4, 2026 if ordered today

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Estimated Ship Date: Jun 4, 2026 if ordered today

Ring and Pinion Installation Kit, Basic, GM 8.5 in., Front/Rear, Kit

Part Number: MGR-R10RT

1.0 out of 5 stars ( 1 )

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Differential Spool Bearing Kit; Fits GM 8.5 in. 10 Bolt; Incl. Bearings/Bearing Races

Part Number: RMG-29-0013-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today