BUICK Differential & Rear-End Components

Differential Carrier Rebuild Kit, GM 7.625 in., 28 Spline, Rear, Open Carrier, Buick, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Kit

Part Number: RMG-XL-4042

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Estimated Ship Date: Mar 16, 2026 if ordered today

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

Part Number: MGR-R12CRT

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Ring and Pinion Kit

Part Number: RMG-XL-1040-1

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Ring and Pinion Gear Installation Kit, Minimum Install, 30-spline, Standard Rotation, Rear, GM 8.875 in. (12-bolt) Passenger Car, Kit

Part Number: YGA-12043

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Estimated Ship Date: Mar 27, 2026 if ordered today

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Ring and Pinion Kit

Part Number: RMG-XL-1016-1

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

Part Number: MGR-R10RE

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Estimated Ship Date: Mar 16, 2026 if ordered today

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

Part Number: RNB-630-113

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Axle Shaft, Rear, 30-spline Inner, 5 x 5.00 in. Wheel Stud Pattern, 31.813 in. Length, Buick, Chevy, Each

Part Number: RNB-630-118

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Differential Parts Kit

Part Number: MGR-GM76BI

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INTERNAL DRIVE

Part Number: PWT-1930404DGX

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Axle Shaft, 26-Spline, 30.50 in. Length, Buick, Chevy, Oldsmobile, Pontiac, 7.5 in., Rear, Each

Part Number: RMG-92-25125

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Ring and Pinion Installation Kit, Master Kit, Incl. Bearing Kit Plus Ring Gear Bolts/Pinion Shims/Carr

Part Number: MGR-RG8RMK

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SIDE GEARS

Part Number: SPZ-39028

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Yukon 1541H alloy right hand rear axle for GM 8.6"

Part Number: YGA-21568

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SHAFT ASM-FRT WHL DRV HALF

Part Number: ADO-84429771

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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

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Axle Shaft, Rear, Direct Replacement, GM 8.5/8.6 in., Buick, Chevy, Each

Part Number: RNB-630-117

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Mar 16, 2026 if ordered today

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Axle Shaft, Rear, 28-spline Inner, 5 x 4.75 in. Wheel Stud Pattern, 30.438 in. Length, Buick, Chevy, GMC, Each

Part Number: RNB-630-142

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 16, 2026 if ordered today

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Drive Axle Shaft Assembly, Front Axle Shaft Assembly

Part Number: RNB-630-417

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Ring and Pinion Bearing Installation Kit

Part Number: RNB-697-119

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 16, 2026 if ordered today

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

Part Number: RNB-697-138

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Gear, Ring and Pinion, 4.56:1 Ratio, GM 8.875 in. (12-Bolt), Set

Part Number: RNB-697-142

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Gear, Ring and Pinion, 3.42:1 Ratio, GM 7.5/7.625 in., Set

Part Number: RNB-697-302

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Axle Shaft, OEM Replacement, C-clip, 1541H Alloy Steel, 28-spline Inner, 30.438 in. Length, Each

Part Number: MGR-25501599

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Axle Shaft, OEM Replacement, 28-Spline, Buick, Cadillac, Chevy, Oldsmobile, Pontiac, 7.5 in., Rear, Each

Part Number: RMG-92-25150

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Estimated Ship Date: Mar 16, 2026 if ordered today

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