OLDSMOBILE Differential & Rear-End Components

Gear, Ring and Pinion, 5.13:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885513

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Installation Kit, Master Overhaul, GM 7.5 in., Kit

Part Number: YGA-14076

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Estimated Ship Date: Dec 15, 2025 if ordered today

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

Part Number: RMG-81-1028-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 8, 2025 if ordered today

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Differential Inner Gear Kit; GM 7.5/7.6 - 26 Spline, Dura Grip Positraction

Part Number: SVL-10003707

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Differential Carrier Cases, Extreme Heavy Duty, GM 8.5 in., 28/30 Spline, 2.73 and Up Ratio, Each

Part Number: YGA-20084

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Ring and Pinion Install Kit

Part Number: RMG-83-1088-1

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Ring and Pinion Installation Kit, Super Kit, GM, 8.5 in., Kit

Part Number: MGR-R10RSK

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 8, 2025 if ordered today

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Ring and Pinion Kit

Part Number: RMG-XL-1019-1

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Estimated Ship Date: Dec 5, 2025 if ordered today

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Axle Shaft, CV-Style, Replacement, Each

Part Number: AAZ-60-1014

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Core Charge $3.00

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

Part Number: MGR-R12CRT

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Estimated Ship Date: Dec 5, 2025 if ordered today

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Axle Shaft, Direct Fit, 1541H Alloy Steel, GM 8.5, 28-Spline, 30.437 in. Length, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: MGR-MG27123

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Axle Shaft, 26-Spline, 30.50 in. Length, Buick, Chevy, Oldsmobile, Pontiac, 7.5 in., Rear, Each

Part Number: RMG-92-25125

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Differential Inner Gear Kit; GM 8.5 - 30 Spline, Dura Grip or Eaton Positraction

Part Number: SVL-10028814

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Ring and Pinion Installation Kit, GM, 8.5 in., 10-Bolt, Kit

Part Number: RNB-697-100

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Axle Shafts, Direct Fit, New CV Axle Assembly, Steel, Each

Part Number: GNA-NCV10082

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Estimated Ship Date: Today

Ring and Pinion Gear Installation Kit, 10-Bolt, 30 Pinion Spline Count, Gear Rotation Standard, Chevy, GMC, Buick, Pontiac, Oldsmobile, Cadillac, Kit

Part Number: ALY-352021

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Axle, Rear, 26-Spline, 30.5 in. Length, GM, 7.50 in. Axle, Each

Part Number: RNB-630-113

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Axle Shaft, Rear, 30-spline Inner, 5 x 5.00 in. Wheel Stud Pattern, 31.813 in. Length, Buick, Chevy, Each

Part Number: RNB-630-118

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Mini Spool, MINI SPOOL GM 12 BOLT CAR

Part Number: RMG-XL-5145

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Axle, Direct Fit, Rear, 1541 Carbon Steel, 28-Spline, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: MGR-1255801

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Axle Shaft, OEM Replacement, Rear, C-clip, 1541H Alloy Steel, 28-spline Inner, 28.813 in. Length, Chevy, GMC, Isuzu, Each

Part Number: MGR-26050549

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Axle Shaft, OEM Replacement, Rear, C-clip, 1541H Alloy Steel, 28-spline Inner, 28.000 in. Length, Chevy, GMC, Each

Part Number: MGR-26013882

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Differential Parts Kit

Part Number: MGR-GM76BI

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 8, 2025 if ordered today

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

Part Number: MGR-G888456

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Ring and Pinion-GM 8.5/8.625

Part Number: MGR-GM10-308A

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Estimated Ship Date: Dec 8, 2025 if ordered today

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