OLDSMOBILE 442 Differential & Rear-End Components

RING AND PINION

Part Number: YGA-24689

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Ring and Pinion Installation Kit, 12-bolt, 30-spline, Rear, GM 8.875 in. Passenger Car, Kit

Part Number: MGR-R12CRMK

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

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

Part Number: RMG-6900331

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

Differential Parts Kit; Open Differential Internal Kit; Incl. Side And Pinion Gears/Washers/Pinion Shaft And L

Part Number: MGR-GM12BI

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Gear, Ring and Pinion, 5.13:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901711

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Differential Shims, Carrier, Steel, Kit

Part Number: MGR-SS10

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Today

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: Today

• Free Shipping

Ring and Pinion Gears, 3.73:1 Ratio, 27-spline, Standard Ring Gear Rotation, GM 8.2 in., BOP, Set

Part Number: YGA-24505

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Carrier Shims, Steel, Ford 8.8 in., GM, 8.0, 8.6, 8.75, 8.875 in., Kit

Part Number: YGA-55002

4.79 out of 5 stars ( 19 )

Estimated Ship Date: Today

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

Part Number: MGR-GM10-456

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

• Free Shipping

Gear, Ring and Pinion, 4.33:1 Ratio, GM, 12-Bolt Car, 4 Series, Set

Part Number: RMG-6903781

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Pinion Bearing, 1.187 in. Inside Diameter, Each

Part Number: TMK-M86649

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Ring and Pinion Gears and Installation Kit, 8.5" OLDSMOBILE GM 3.90 REAR R&P GEAR/ INSTALL KIT PACKAGE

Part Number: YGA-12594

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Ring and Pinion Installation Kit, GM, 8.2 in., Buick or Pontiac Axle, 10-Bolt, 27-Spline Pinion, Kit

Part Number: RMG-8310401

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

• Free Shipping

Ring Gear Bolt, Hex Head, 7/16-20 in. Thread Size, Steel, Black, Each

Part Number: YGA-33049

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Differential Cover, Steel, Chrome, GM, 12-Bolt, Passenger Car, Each

Part Number: MRG-9894

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

Spool, Full Size, Steel, 28-Spline, 10-Bolt, GM 8.5 in., Each

Part Number: MGR-FS10-28

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

• Free Shipping

Pinion Shims, Steel, Kit

Part Number: YGA-55009

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

Gear, Ring and Pinion, 4.10:1 Ratio, GM, 12-Bolt Car, 3 Series, Set

Part Number: RMG-6903041

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

• Free Shipping

Gear, Ring and Pinion, 3.42:1 Ratio, GM, 8.5 in., O Axle, 10-Bolt, 3 Series, Set

Part Number: RMG-4900491

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

Axle Assembly, 68-72 GM A-Body, Rear, Centurion 9-inch, 31-Spline, 5 x 4.75 in. Bolt Pattern, Housing & Axle Kit

Part Number: CUR-CE-GMA6872X

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

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

Ring and Pinion-GM 8.5/8.625

Part Number: MGR-GM10-373A

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Axle C-Clips, One kit Per Axle, Steel, GM, Assortment 1 Thick,1 thin, Kit

Part Number: RNB-81050

4.57 out of 5 stars ( 7 )

Estimated Ship Date: Today

Differential Carrier, Positraction, Nodular Iron, GM 8.2 in. BOP, 28 spline, 3.31 Up Ratio, Each

Part Number: SUM-730964

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping