BUICK Differential & Rear-End Components

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

Part Number: RMG-78-1230-1

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Differential Bearing, Tapered Roller, Steel, Stock Replacement, GM, Each

Part Number: ADO-S1420

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Estimated Ship Date: Tomorrow

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

Part Number: NTN-NBRA321C

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Estimated Ship Date: Tomorrow

Ring and Pinion Installation Kit, GM, 12-Bolt, 8.875 in. Diameter Ring Gear, 30-Spline Pinion, Kit

Part Number: RMG-831019B

1.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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

Part Number: MGR-GM7-5IK

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Estimated Ship Date: Tomorrow

Differential Side Bearing Spacer; Solid Differential Spacer; Fits GM 12 Bolt Car

Part Number: RMG-04-0012-1

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Ring and Pinion Installation Kit, Basic, GM 7.5 in., Rear, Kit

Part Number: MGR-R7-5GR

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Differential Cover, 10-bolt, Steel, Natural, GM 8.0 in., Each

Part Number: YGA-32360

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 19, 2025 if ordered today

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Ring and Pinion Kit

Part Number: RMG-XL-1044-1

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Estimated Ship Date: Nov 10, 2025 if ordered today

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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: Tomorrow

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Ring Gear Spacer, GM 7.5 in. Ring Gear, Hardware Included, Each

Part Number: MGR-075050

4.06 out of 5 stars ( 17 )

Estimated Ship Date: Nov 10, 2025 if ordered today

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Mini Spool, Steel, 28-Spline, GM, 8.2 in., 10-Bolt, Each

Part Number: MGR-MS10C-28

2.67 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

Mini Spool, MINI SPOOL GM 10 BOLT 8.2"

Part Number: RMG-XL-5135

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Ring Gear Spacer, 0.200 in. Thick, 10-bolt, GM 8.5 in., Each

Part Number: MGR-085050

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Nov 10, 2025 if ordered today

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Axle Shaft

Part Number: MGR-22506477

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Cross Pin Shaft, Notched, Steel, Rear, GM 7.5 in., GM 7.6 in., Each

Part Number: YGA-33435

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Spacer, Replacement, Active Spacer, Each

Part Number: PWT-624004SDG2

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Estimated Ship Date: Nov 11, 2025 if ordered today

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

Part Number: MGR-R10RTPK

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Differential Cover, 10-bolt, Steel, Natural, GM 8.2 in., GM 8.5 in., GM 8.6 in., Each

Part Number: YGA-32332

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

Ring and Pinion Installation Kit, GM, 8.5 in., 10-Bolt, 30-Spline Pinion, Kit

Part Number: RMG-83-1026-B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

SOLID SPACER & SHIM KIT GM12 BOLT CAR

Part Number: MGR-4101

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Cross Shaft, Differential, Steel, GM 12 Bolt, with Mini-Spool, Each

Part Number: YGA-32236

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 19, 2025 if ordered today

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Ring and Pinion Kit

Part Number: RMG-XL-1019-1

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Ring and Pinion Installation Kit, Basic, GM 8.6 in., Front/Rear, Kit

Part Number: MGR-R10RLTPK

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Pinion Bearing Kit, PBK GM 8.875" CAR

Part Number: MGR-R12CRPK

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Estimated Ship Date: Nov 10, 2025 if ordered today

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