OLDSMOBILE 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

• Free Shipping

Gear, Ring and Pinion, 3.90:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900341

4.67 out of 5 stars ( 9 )

Estimated Ship Date: Today

• Free Shipping

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

Part Number: AUB-546046

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Rear End Assembly, Grand National, Ford 9 in., 31-Spline Axles, 5 x 4.75 in. Pattern, G-Body Mounts, Kit

Part Number: SUM-CSUMCT006

Not Yet Reviewed

Estimated Ship Date: Today

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901671

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

• Free Shipping

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 )

Estimated Ship Date: Oct 27, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Today

Differential, Lock-Right, Locker, 28-Spline, GM, 7.625 in., Each

Part Number: PWT-1931-LR

4.58 out of 5 stars ( 12 )

Estimated Ship Date: Today

• Free Shipping

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 12-Bolt Car, 3 Series, Set

Part Number: RMG-6903061

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

• Free Shipping

Differential Bearing, Chevy, GMC, Each

Part Number: TMK-LM603049

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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

• Free Shipping

Differential, Auburn, Grip-N-Loc, Limited Slip, 26-Spline, GM, 7.5 in., 7.625 in., Each

Part Number: AUB-546044

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

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

Part Number: RMG-XL-1021-1

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

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

Part Number: ETN-K-GM12CR

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

• Free Shipping

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

Part Number: MGR-G885456

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Differential, Posi Performance, Limited Slip, 26-Spline, GM, 7.5 in., Each

Part Number: ETN-19663-010

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

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: Today

• Free Shipping

Spool, Mini, Steel, 26-Spline, 10-Bolt, GM 7.5 in., Each

Part Number: RMG-78-7526-1

4.4 out of 5 stars ( 10 )

Estimated Ship Date: Today

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: Today

• Free Shipping

Ring and Pinion Installation Kit, Master Kit, GM 7.5/7.625 in., Kit

Part Number: MGR-R7-5GRLMKT

3.57 out of 5 stars ( 14 )

Estimated Ship Date: Today

• Free Shipping

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: Today

Ring and Pinion Installation Kit, Master Kit, GM, 8.5 in., 30-Spline Pinion, Kit

Part Number: MGR-R10REMKT

4.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

• Free Shipping

Axle, Direct Fit, C-Clip, Rear, 1541H Steel, 30-Spline, GM F-Body, A-Body, 8.5 in., Each

Part Number: MSR-A103003-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

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

Part Number: YGA-57009

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

Spool, Mini, Steel, 30-spline, 10-bolt, GM 8.5 in., Each

Part Number: YGA-32233

4.67 out of 5 stars ( 12 )

Estimated Ship Date: Today

• Free Shipping