OLDSMOBILE Differential & Rear-End Components

Ring and Pinion Gears,Yukon Gear & Axle 7.5"/7.625" GM, 4.11 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: YGA-10639

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Gear, Ring and Pinion, 4.10:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 2 Series, Set

Part Number: RMG-49-0009-1

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Ring and Pinion Installation Kit, Basic, GM 7.5 in., Rear, Kit

Part Number: MGR-R7-5GR

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Axle Shaft, 28-Spline, 28.813 in. Length, Chevy, GMC, Isuzu, Oldsmobile, 7.625 in., Rear, Each

Part Number: RMG-92-25170

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 2.73:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-GM10-273

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Ring and Pinion Gears, Pro Series, 3.90:1 Ratio, GM, 7.5 in., Set

Part Number: MGR-G975390

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Estimated Ship Date: Dec 8, 2025 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

Part Number: YGA-12587

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Crush Sleeve, Steel, 0.620 in. Tall, Each

Part Number: YGA-33097

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Differential Carrier Rebuild Kits and Spider Gears, GM 8.5 in., Side Gears, Rear, Open, 28-spline, 10-bolt, GM 8.5 in., Kit

Part Number: SVL-10020477

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Estimated Ship Date: Dec 1, 2025 if ordered 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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Differential Pinion Bearing Kit, GM 8.875 in. Car, Timken Bearings, Chevy, GMC, Kit

Part Number: MGR-R12CRTPK

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Gear, Ring and Pinion, 4.10:1 Ratio, GM, 7.25 in. IFS, Set

Part Number: MGR-GM7-2-410IFS

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Differential Crush Sleeve; Fits GM 8.5 in.

Part Number: RMG-19-0004-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Differential, Grip LS Traction System, 28-Spline, GM, 7.5 in., 7.6 in., Each

Part Number: PWT-LS247528

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Estimated Ship Date: Today

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$35.00 Mail-In Rebate

Price after Manufacturer Rebate: $859.99

Rebate Expires: 12/31/2025

Get $35 back after rebate on this Powertrax Product! Go to https://www.richmondgear.com/rebate.pdf for details. ...Read More

Get UP TO $55 back after rebate on select Powertrax Products! Go to https://www.richmondgear.com/rebate.pdf for details. Valid on purchases made between 11/1/25 and 12/31/25. Claims must be submitted within 30 days of purchase. Allow 6-8 weeks for processing. Valid in USA and Canada. Limit two qualifying purchases per household or address. This offer cannot be combined with other discounts or offers. Rebate intended for end consumer only. Show Less

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Crush Sleeve, Steel, GM 8.2 in., GM 8.2 in., BOP Axle, Each

Part Number: YGA-33103

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Pinion Nut Washer, GM, Each

Part Number: YGA-33167

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Axle Assemblies, Ford 9 in., Natural, 54.75 in. Flange to Flange, 31-Spline Axles, 1541H Alloy, Chevy, Pontiac, Kit

Part Number: ART-11169681

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Differential Vent, Round Head Style, Plastic, White, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: OPG-C220128

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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

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Differential Cover, Steel, Natural, Chevy, GMC, Oldsmobile, Pontiac, 7.500 in., 7.625 in., 10-Bolt, Each

Part Number: RNB-697-701

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Gear, Ring and Pinion, 2.73:1 Ratio, GM 8.5 in., Set

Part Number: RNB-697-812

4.0 out of 5 stars ( 1 )

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Ring and Pinion Gears, 4.11:1 Ratio, Standard Rotation, 8.20 in. Diameter, GM, BOP, Set

Part Number: MGR-BP882411

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Differential Drain Plug, Rear Axle Position, Internal Square Drive Head, Steel, 1/2 in. NPT Threads, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: OPG-CH28892

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Spider Gears, Side Gears, Cross Pin Shaft, Roll Pin, 28 Spline, Posi, Rear, GM 7.5 in., GM 7.625 in., Kit

Part Number: YGA-16117

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Axle Shafts, New CV Drive Axles, Replacement, 33-spline Outer, 24.80 in. Length, Front, Cadillac, Oldsmobile, Each

Part Number: AAZ-66-1014

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