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

Yukon Gear & Axle Master Overhaul Kits YK D70

Installation Kit, Master Overhaul, Dana 70, Kit

Part Number: YGA-14038

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Yukon Gear & Axle 40 Spline Differential Carriers Dana 60 YGLD60-3-40

Differential Carrier, Locker, 40-spline, Steel, Dana 60, Chevy, GMC, Dodge, Plymouth, Ford, Jeep, Each

Part Number: YGA-28024

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Yukon Gear & Axle Trac-Loc Carrier Cases Dana 60/Super 60 YC D707123

Yukon Trac Loc carrier case, Dana 60, 4.10 & down

Part Number: YGA-20043

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

USA Standard Gear Axle Shafts, Direct Fit ZA K630129

Axle 8.5" GM REAR, '75-'95 G VAN, 33-7/16", 2WD, 28spl, 5 LUG, 2.53" OD BRG (1559), 1 SIDE

Part Number: SPZ-11945

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Motive Gear Performance Ring and Pinion Sets G875342 GM 7.5/7.625 in. 3.42 Gears

Gear, Ring and Pinion, 3.42:1 Ratio, GM, 7.5 in./7.625 in., 3 Series, Set

Part Number: MGR-G875342

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Motive Gear Performance Ring and Pinion Sets G875342X GM 7.5/7.625 in. 3.42 Gears

Gear, Ring and Pinion, 3.42:1 Ratio, GM, 7.5 in./7.625 in., Set

Part Number: MGR-G875342X

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Allstar Performance Ring and Pinion Gear Sets ALL70113 GM 7.5 in. 3.42 Gears

4 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Motive Gear Differential Carrier Replacement Parts 559291

WASHER, PINION THRUST

Part Number: MGR-559291

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Motive Gear Ring Gear Bolts 331421

Ring Gear Fasteners, Replacement Bolt, Hex Head, Steel, Black Oxide, 1/2-20 in. RH, GM, 10.5 in., 14 Bolt, 4.56 and Up Carrier, Each

Part Number: MGR-331421

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Motive Gear Axle Retainer Plates 344171

Axle Shaft Retainer

Part Number: MGR-344171

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Motive Gear Differential Cross Shafts and Fasteners 3663696

Cross Pin, GM, 14-Bolt, 10.5 in. Each

Part Number: MGR-3663696

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Motive Gear Differential Cross Shafts 12337937

GM

Part Number: MGR-12337937

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Motive Gear Ring and Pinion Sets D70-373 Dana 70 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, Dana 70, Set

Part Number: MGR-D70-373

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Motive Gear Basic Ring and Pinion Gear Installation Kits D70IKH

Ring and Pinion Installation Kit, Basic, Dana 70-HD, Rear, Kit

Part Number: MGR-D70IKH

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Motive Gear Differential Pinion Shims GM14SK

Pinion Shims, Steel, GM, 10.5 in., Kit

Part Number: MGR-GM14SK

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Motive Gear Differential Pinion Gears 3880140

GEAR PINION 12 BOLT 8 7/8

Part Number: MGR-3880140

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Motive Gear Ring Gear Spacers 075050C

Differential Ring Gear Spacer, Ring Gear Spacer

Part Number: MGR-075050C

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Motive Gear Differential Pinion Shims 1111

Pinion Shim Pack; Dana 70HD/Dana 80/11.5 in.

Part Number: MGR-1111

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Motive Gear Pinion Bearings and Races 706045XR

MG- 60/70 OUTER PINION BRG KIT

Part Number: MGR-706045XR

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Motive Gear Pinion Bearings and Races 706060XR

DANA 70 INNER PINION BRG KIT

Part Number: MGR-706060XR

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

USA Standard Gear Differential Carrier Replacement Parts SL SPRING-LRG

Pin and Spring Kit, Differential Carrier Replacement Component, Rear, Dana 60, Kit

Part Number: SPZ-17010

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

USA Standard Gear Front Axle Stubs ZA D3-82-871

Axle Stub, Front, Steel, 12.000 in. Length, 35-spline, Dana 60, Chevy, Dodge, GMC, Each

Part Number: SPZ-35012

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

USA Standard Gear Master Overhaul Kits ZK GM14T-A

USA Standard Master Overhaul kit for the '88 and older GM 10.5" 14T differential

Part Number: SPZ-37044

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

USA Standard Gear Master Overhaul Kits ZK GM9.5-A

USA Standard Master Overhaul kit for the '79-'97 GM 9.5" differential

Part Number: SPZ-37062

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

Dorman Axle Shafts, Direct Fit 630-137A

Axle Shaft Only, Chevrolet 1996-81, GMC 1996-81

Part Number: RNB-630-137A

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

USA Standard Gear Bearing Kits ZBKGM14T-A

Ring and Pinion, Installtion Kit, GM, 10.5 in., Kit

Part Number: SPZ-58046

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