1985 GMC Differential & Rear-End Components Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Powertrax Differential Spring Rebuild Kits 1025350KAP

Replacement Springs, Powertrax Lock-Right, Kit

Part Number: PWT-1025350KAP

4.73 out of 5 stars ( 15 )

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Yukon Gear & Axle Spider Gear Kits YPKGM14T-P-30-DG

Differential Carrier Rebuild Kit, GM 10.5 in. (14-Bolt), Rear, Open Carrier, Dura Grip, Chevy, GMC, Kit

Part Number: YGA-16167

Not Yet Reviewed

Estimated Ship Date: Mar 27, 2026 if ordered today

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Estimated Ship Date: Mar 27, 2026 if ordered today

Motive Gear Open Differential Internal Kits GM10BI-30

Differential Parts Kit, Open Differential, Includes 30-spline Side and Pinion Gears/Washers/Pinion Shaft/Bolt

Part Number: MGR-GM-10BI-30

4.9 out of 5 stars ( 10 )

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Motive Gear Master Ring and Pinion Installation Kits RA29RMKT

Ring and Pinion Installation Kit, Master Kit, Dana 60, Chevy/Dodge/Ford/GMC/Plymouth, Kit

Part Number: MGR-RA29RMKT

4.5 out of 5 stars ( 6 )

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Yukon Gear & Axle Pinion Nut Washers YSPPN-032

Pinion Nut Washer, Each

Part Number: YGA-33166

5.0 out of 5 stars ( 4 )

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USA Standard Gear Ring and Pinion Sets ZG GM7.5-273 GM 7.5/7.6 in. 2.73 Gears

USA Standard Ring & Pinion gear set for GM 7.5" in a 2.73 ratio

Part Number: SPZ-36192

1.0 out of 5 stars ( 1 )

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Timken Pinion Bearings HM89249

Pinion Bearing, Rear, 1.437 in. i.d., Avanti, Buick, Cadillac, Chevy, GMC, Dodge, Hummer, Isuzu, Mitsubishi

Part Number: TMK-HM89249

Not Yet Reviewed

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Richmond Gear EXCel Ring and Pinion Sets GM75456 GM 7.5/7.625 in. 4.56 Gears

Gear, Ring and Pinion, EXCel, 4.56:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set

Part Number: RMG-GM75456

5.0 out of 5 stars ( 2 )

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National Bearing Differential Bearings NNTA36

Differential Carrier Bearing, Steel, 3.062 in. Diameter, Each

Part Number: NTL-A36

5.0 out of 5 stars ( 2 )

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USA Standard Gear Ring and Pinion Sets ZG GM8.5-342 GM 8.5/8.6 in. 3.42 Gears

Ring and Pinion Gears, 3.42:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5/8.6 in., Set

Part Number: SPZ-36213

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Motive Gear Ring and Pinion Sets GM10-342A GM 8.5/8.625 in. 3.42 Gears

4.5 out of 5 stars ( 16 )

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Timken Differential Bearings SET42

Differential Carrier Bearing, Steel, Each

Part Number: TMK-SET42

3.0 out of 5 stars ( 1 )

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Motive Gear Ring and Pinion Sets GM10-273 GM 8.5/8.6 in. 2.73 Gears

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 )

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Motive Gear Ring and Pinion Sets GM10-342 GM 8.5/8.6 in. 3.42 Gears

Gear, Ring and Pinion, 3.42:1 Ratio, GM, 8.5 in/8.6 in., Set

Part Number: MGR-GM10-342

5.0 out of 5 stars ( 3 )

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Yukon Gear & Axle Ring and Pinion Sets YG GM12T-308 GM 8.875 in. (12-bolt) truck 3.08 Gears

Ring and Pinion Gears, 3.08:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.875 in. Truck, Set

Part Number: YGA-24459

4.0 out of 5 stars ( 1 )

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Timken Pinion Bearing Races HM89410

Bearing Race, Differential Pinion, 3.000 in. Diameter, Each

Part Number: TMK-HM89410

4.5 out of 5 stars ( 4 )

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Yukon Gear & Axle Carrier Installation Kits CK GM9.5

Carrier Installation Kit, GM 9.5/9.76, Bearings, Races, Shims, Kit

Part Number: YGA-57015

Not Yet Reviewed

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Richmond Gear EXCel Ring and Pinion Sets GM75355 GM 7.5/7.625 in. 3.55 Gears

Ring and Pinion Kit

Part Number: RMG-GM75355

Not Yet Reviewed

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Motive Gear Ring and Pinion Sets D70-354 Dana 70 3.54 Gears

Gear, Ring and Pinion, 3.54:1 Ratio, Dana 70, Set

Part Number: MGR-D70-354

5.0 out of 5 stars ( 1 )

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Timken Pinion Bearings HM803149

Pinion Bearing, 1.750 in. Inside Diameter, Each

Part Number: TMK-HM803149

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Motive Gear Ring and Pinion Sets GM7.5-373 GM 7.5/7.625 in. 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 7.5 in., Set

Part Number: MGR-GM75-373

Not Yet Reviewed

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Motive Gear Master Ring and Pinion Installation Kits R9.5GRMK

Ring and Pinion Installation Kit, Master Kit, GM, 9.5 in., Kit

Part Number: MGR-R95GRMK

4.0 out of 5 stars ( 1 )

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Yukon Gear & Axle Differential Pinion Nuts YSPPN-018

Pinion Nut, Steel, Each

Part Number: YGA-33152

5.0 out of 5 stars ( 2 )

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USA Standard Gear Master Overhaul Kits ZK GM8.5

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

Part Number: SPZ-37055

5.0 out of 5 stars ( 1 )

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Spicer Drivetrain Products Ring Gear Bolts 40638

Ring Gear Bolt, Steel, Natural, Dana, Each

Part Number: SDH-40638

5.0 out of 5 stars ( 1 )

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Yukon Gear & Axle Ring and Pinion Sets YG GM9.5-456 GM 9.5 in. 4.56 Gears

Ring & Pinion Gear, 4.56 Ratio, GM, 9.5 in., 14-Bolt, Rear, Set

Part Number: YGA-24168

Not Yet Reviewed

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