BUICK Differential & Rear-End Components

STANDARD DIFF BEARING & SEAL KIT - 1999-2008 MODEL YEARS WITH GM 8.5 & 8.6 AXLE

Part Number: SDH-10038956

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Estimated Ship Date: Nov 30, 2026 if ordered today

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Differential Ring and Pinion, USA Standard Ring & Pinion set for 8.2" Buick, Olds & Pontiac, 3.73

Part Number: SPZ-36369

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Estimated Ship Date: Nov 23, 2026 if ordered today

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Gear, Ring and Pinion, 3.42:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 2 Series, Set

Part Number: RMG-4900051

5.0 out of 5 stars ( 1 )

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GM 12P DURA GRIP case, bare, 4.10 & up, 30spline & 33spline

Part Number: YGA-20105

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Estimated Ship Date: Nov 23, 2026 if ordered today

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Pinion Crush Sleeves, Steel, GM, 7.5 in., 7.6 in., 7.625 in., Pair

Part Number: RNB-81058

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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

Part Number: RMG-16-0090-1

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

Part Number: RMG-12BC373

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Nov 10, 2026 if ordered today

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Ring and Pinion Gears,Yukon Gear & Axle 7.5" GM, 4.11 Ratio Rear Ring & Pinion GearInstall Kit 26 Spline and 2.25" OD Axle Bearings & Seals

Part Number: YGA-10643

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Estimated Ship Date: Nov 23, 2026 if ordered today

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Crosspin Shaft, Steel, Each

Part Number: YGA-33406

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Differential Ring and Pinion; GM 8.5 10 Bolt - 3.73 Ratio

Part Number: SVL-2023695

2.0 out of 5 stars ( 1 )

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Ring and Pinion Gears, GM 8.5/8.6 in., 4.88:1 Ratio, 30-spline, Standard, Must Use 2.73:1 or Numerically Higher Ratio Carrier, GM 8.5/8.6 in., Set

Part Number: SVL-2023704

5.0 out of 5 stars ( 1 )

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Ring and Pinion Gears and Installation Kit, 12P 8.875" GM 3.73 REAR R&P GEAR/ INSTALL KIT PACKAGE with 30spl POSI & AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12613

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Estimated Ship Date: Nov 23, 2026 if ordered today

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Ring and Pinion Gears,Yukon Gear & Axle 7.5" GM, 3.23 Ratio Rear Ring & Pinion GearInstall Kit 26 Spline and 2.25" OD Axle Bearings & Seals

Part Number: YGA-10640

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Estimated Ship Date: Nov 23, 2026 if ordered today

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Ring and Pinion Gears, 3.73:1 Ratio, 30-spline, Standard Rotation, GM 8.875 in., Buick, Chevy, Pontiac, Rear, Set

Part Number: SPZ-36168

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Estimated Ship Date: Nov 23, 2026 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.2" BOP 3.73 RATIO REAR R&P GEAR/ INSTALL KIT PACKAGE with 28spl POSI

Part Number: YGA-12581

5.0 out of 5 stars ( 1 )

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WASHER PIN GR 12BLT 8 7/8

Part Number: MGR-3880141

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

Part Number: ADO-S1420

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• $20 Summit Bucks on $200 spent*

Differential Cover Bolt, Steel, Black, Hex Head, 0.500 in. Wrench Size, Dana 25, 27, 30, 44, Model 35, GM 7.5 in., GM 8.2 in., Each

Part Number: YGA-33286

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Axle Shaft, OEM Replacement, C-clip, 1541H Alloy Steel, 30-spline Inner, 30.063 in. Length, Each

Part Number: MGR-MG1000

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Estimated Ship Date: Nov 16, 2026 if ordered today

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Ring and Pinion Gears, 4.56:1 Ratio, 27-spline, Standard Ring Gear Rotation, GM 7.5 in., GM 7.625 in., Set

Part Number: SPZ-36201

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Ring and Pinion Gears, 3.42:1 Ratio, 27-spline, Standard Ring Gear Rotation, GM 7.5 in., GM 7.625 in., Set

Part Number: SPZ-36195

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Estimated Ship Date: Nov 20, 2026 if ordered today

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Differential master rebuild kit

Part Number: SKF-SDK321-MK

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Estimated Ship Date: Nov 16, 2026 if ordered today

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Repair Sleeve Various Makes 50-11

Part Number: FWB-SR3509

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Cross Shaft Pin, Mini Spool, GM, 8.5 in., 28-Spline, Each

Part Number: RMG-CSPGM85

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

Bearing Race, Steel, Each

Part Number: NTL-M88010

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