BUICK Differential & Rear-End Components

Gear, Ring and Pinion, 5.38:1 Ratio, GM, 12-Bolt Car, 4 Series, Set

Part Number: RMG-7900291

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/22/2025

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Differential Cover, Aluminum Girdle Cover, Natural, 10-bolt, GM 7.5 in., GM 7.625 in., Each

Part Number: YGA-32118

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/22/2025

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

Part Number: YGA-32017

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/22/2025

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 8.2 in., Buick, Pontiac, Set

Part Number: MGR-BP882373

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/22/2025

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Gear, Ring and Pinion, 4.88:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901691

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 12/22/2025

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Ring and Pinion Installation Kit, GM, 7.5 in./7.625 in., 10-Bolt, 27-Spline Pinion, Kit

Part Number: RMG-8310441

4.53 out of 5 stars ( 17 )

Estimated Ship Date: Monday 12/22/2025

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Axles, Direct Fit, C-Clip, Rear, 1541H Steel, 28-Spline, Buick, 8.5 in., Pair

Part Number: MSR-A102808

4.91 out of 5 stars ( 11 )

Estimated Ship Date: Monday 12/22/2025

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Differential Carrier Bearings, Steel, Races, Shims, Rear, GM 8.2 in., GM 8.5 in., Kit

Part Number: YGA-57008

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 12/22/2025

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Gear, Ring and Pinion, 3.42:1 Ratio, GM, 8.5 in/8.6 in., Set

Part Number: MGR-GM10-342

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/22/2025

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Gear, Ring and Pinion, EXCel, 3.55:1 Ratio, GM, 8.875 in., 12-Bolt Car, Set

Part Number: RMG-12BC355

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/22/2025

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Ring and Pinion Gear Installation Kit, Master Overhaul, 27 Spline Pinion, GM 8.2 in. BOP, Kit

Part Number: YGA-14085

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/22/2025

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Differential Cover, 10-bolt, Aluminum, Polished, GM 8.2 in., GM 8.5 in., GM 8.6 in., Each

Part Number: YGA-32030

3.5 out of 5 stars ( 8 )

Estimated Ship Date: Monday 12/22/2025

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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 12/22/2025

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Crate Axle, 64-66 GM A-Body Centurion 9-Inch, Black PC, 31-Spline, 3.50 Ratio, Helical Limited Slip, Wilwood 11" Dynapro Black Calipers

Part Number: CUR-CR-GA135TWAB

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

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Gear, Ring and Pinion, 4.88:1 Ratio, GM, 12-Bolt Car, 4 Series, Set

Part Number: RMG-79-0064-1

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 12/22/2025

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Ring and Pinion Installation Kit, Master Kit, GM 8.5 in.; Incl. Bearing Kit Plus Ring Gear Bolts/Pinion Shi

Part Number: MGR-R10RLMK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/22/2025

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Ring and Pinion-GM 8.5/8.625

Part Number: MGR-GM10-373A

Not Yet Reviewed

Estimated Ship Date: Jan 9, 2026 if ordered today

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Differential Carrier Bearings, Steel, GM 8.5 in., Kit

Part Number: YGA-57009

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 12/22/2025

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Differential Carrier Case, Open, 28-spline, Rear, GM 7.5 in., GM 7.625 in., 3.23 Ratio and Up, Chevy, Each

Part Number: YGA-20102

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

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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 12/22/2025

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Ring and Pinion Gears, 3.31:1 Ratio, 30-spline, Standard Rotation, GM 8.875 in., Passenger Car, Set

Part Number: YGA-24571

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/22/2025

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Ring and Pinion Gear, 3.73:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36214

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Monday 12/22/2025

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

Part Number: RMG-XL-1021-1

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/22/2025

Differential Carrier Bearings, Standard Replacement, 1.625 in. Bore, AMC, GM, Mopar, Jeep, International, Studebaker, Hummer, Each

Part Number: TMK-LM501349

3.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 12/22/2025

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 7.5in./7.625 in., 2 Series, Set

Part Number: MGR-G875373X

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 12/22/2025

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