BUICK Differential & Rear-End Components

Gear, Ring and Pinion, EXCel, 4.56:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: RMG-GM85456

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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USA Standard Master Overhaul kit GM 7.5 in./7.625 in, Rear, Kit

Part Number: SPZ-37049

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Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set

Part Number: RMG-GM75373TK

3.0 out of 5 stars ( 2 )

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Gear, Ring and Pinion, 3.36:1 Ratio, GM, 8.2 in., Set

Part Number: MGR-G882336

5.0 out of 5 stars ( 5 )

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Ring and Pinion Installation Kit, GM, 12-Bolt Car, Kit

Part Number: MGR-R12CR

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Differential Carrier, Open, Loaded, GM 8.6 in. 30 Spline, Each

Part Number: YGA-20098

4.75 out of 5 stars ( 4 )

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Ring and Pinion Gears, 3.23:1 Ratio, GM 8.5 in., Set

Part Number: SVL-2023698

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Differential, Auburn, Grip-N-Loc, Limited Slip, 28-Spline, Buick, Oldsmobile, Pontiac, 8.2 in., Each

Part Number: AUB-546060

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Gear, Ring and Pinion, EXCel, 4.56:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set

Part Number: RMG-GM75456

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 4.88:1 Ratio, 1.625 in. Pinion, 30 Spline, 8.500 in. Ring Gear, GM 8.5/8.6 in., Set

Part Number: YGA-24162

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Gear, Ring and Pinion, 3.08:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900171

4.67 out of 5 stars ( 3 )

Estimated Ship Date: May 11, 2026 if ordered today

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Gear, Ring and Pinion, EXCel, 4.10:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set

Part Number: RMG-GM75410OE

1.0 out of 5 stars ( 1 )

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Differential, Select-A-Loc, Locker, 30-Spline, Buick, Chevy 8.5 in., Each

Part Number: AUB-545004

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Mar 12, 2026 if ordered today

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USA Standard Master Overhaul kit GM 8.5 in., Rear, Kit

Part Number: SPZ-37057

4.0 out of 5 stars ( 1 )

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Axle Shaft, Rear, C-Clip, 1541H Alloy, 26 Spline, 28.438 in. Length, GM 7.5/7.625 in., Chevy, Each

Part Number: YGA-21288

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Differential, Posi Performance, Electric Locker, 30-Spline, GM, 8.5 in., Each

Part Number: ETN-19659-010

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Differential, Auburn, Grip-N-Loc, Limited Slip, 28-Spline, GM, 7.5 in., 7.625 in., Each

Part Number: AUB-546047

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Crush Sleeve Eliminator Kit, Steel Spacer, Pinion Shims, GM 7.5 in., GM 7.6 in., GM 8.2 in., Kit

Part Number: YGA-55047

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Today

Differential Cover, Steel, Chrome, GM, 8.5 in., 10-Bolt, Kit

Part Number: MRG-9891

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Today

Differential, No-Slip Traction System, 28-Spline, GM, 8.2 in., Each

Part Number: PWT-92-0782-2805

2.75 out of 5 stars ( 4 )

Estimated Ship Date: Mar 23, 2026 if ordered today

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Spider Gears, Internal Kit, Side Gears, Cross Pin and Bolt, GM 2000 and Newer, Rear, 8.6 in., 30- Spline, Kit

Part Number: YGA-16056

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 4.10:1 Ratio, GM, 7.5 in./7.625 in., 3 Series, Set

Part Number: MGR-G875410

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Mini spool for GM 12 bolt with 30 spline axles

Part Number: YGA-32227

4.0 out of 5 stars ( 2 )

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Ring and Pinion Gears, 3.73:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.875 in. Passenger Car, Set

Part Number: SPZ-36167

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Differential Cover, 10-bolt, Steel, Chrome, GM 8.2 in., BOP Axle, Each

Part Number: YGA-32015

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today