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

Motive Gear Crush Sleeves 9785792

Differential Crush Sleeves, Steel, Fits with Aftermarket Ring and Pinion Set Only, Buick, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Each

Part Number: MGR-9785792

4.5 out of 5 stars ( 2 )

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USA Standard Gear Ring and Pinion Sets ZG D70-373 Dana 70 3.73 Gears

Ring and Pinion Gears, 3.73:1 Ratio, 29-spline, Standard Ring Gear Rotation, Dana 70, Set

Part Number: SPZ-36088

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 Ring and Pinion Sets ZG D60-586 Dana 60 5.86 Gears

USA Standard ring & pinion sets are the right choice to add confidence to your install. USA Standard Gear offe

Part Number: SPZ-36315

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

Spicer Drivetrain Products Locking Hub Conversion Kits 10028883

Hub Conversion, Manual, Dana 60, 35 Spline, Kit

Part Number: SDH-10028883

Not Yet Reviewed

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Yukon Gear & Axle King Pin Replacement Components YP KP-003

Bushing Spring, King Pin Replacement Component, Front Driver Side, Dana 60, Chevy, Dodge, Ford, GMC, Each

Part Number: YGA-32306

Not Yet Reviewed

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Centerforce Dual Friction Clutch Discs DF384024

Clutch Disc, Dual Friction, 1 1/8 in. Diameter Shaft, 10-Spline, 12 in. Diameter Disc, Chevy, GMC, L6, V8, Each

Part Number: CTF-DF384024

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

Dorman Axle Shaft Lock C-Clips 05311

Axle C-Clip, Steel, Copper Coated, GM, 7.5 in./7.625 in. Differential, Each

Part Number: RNB-05311

5.0 out of 5 stars ( 1 )

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Yukon Gear & Axle Differential Clutch Sets YPKGM12-PC-DG1

Differential Clutch, Steel Pack, Rear, Posi, GM, 8.875 in., Set

Part Number: YGA-16064

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

ACDelco Gold Universal Joints 19470445

Universal Joint, Steel, GM, Mopar, Ford, Isuzu, Jeep, Lincoln, Mercury, Saab, Each

Part Number: ADO-45U0108

Not Yet Reviewed

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Yukon Gear & Axle Differential Carrier Replacement Parts YSPTW-044

Thrust Washer, Positraction Differential, GM 8.875 in. Passenger Car, Truck, Each

Part Number: YGA-33382

3.33 out of 5 stars ( 3 )

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Hurst Ring and Pinion Sets 02-128 GM 8.875 in. (12-bolt) truck 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 12-Bolt Truck, Set

Part Number: HUU-02-128

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

Hurst Ring and Pinion Sets 02-127 GM 8.875 in. (12-bolt) truck 3.42 Gears

Gear, Ring and Pinion, 3.42:1 Ratio, GM, 12-Bolt Truck, Set

Part Number: HUU-02-127

Not Yet Reviewed

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Motive Gear Ring and Pinion Gear and Installation Kit Combos MGK-227 Dana 60/GM 10.5 in. (14-bolt) 4.10 Gears

Differential Ring and Pinion, Differential Ring and Pinon Front and Rear Complete Kit

Part Number: MGR-MGK-227

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 Ring and Pinion Sets ZG GM7.5-342T GM 7.5/7.625 in. 3.42 Gears

Ring and Pinion Gears, 3.42:1 Ratio, 27-spline, Standard Ring Gear Rotation, GM 7.5 in., GM 7.625 in., Set

Part Number: SPZ-36196

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

Spicer Drivetrain Products Axle Spindle Thrust Washers 37312

Thrust Washer, Axle Spindle, 2.360 in. O.D., 0.968 in. I.D., 0.280 in. Thick, Chevy, Dodge, Ford, GMC, Each

Part Number: SDH-37312

Not Yet Reviewed

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ACDelco Gold Universal Joints 19470448

Universal Joint, Gold, Greasable, Steel, Round Plain, for Infiniti, for Nissan, Cadillac, Chevrolet, Dodge, Ford, GMC, Isuzu, Jaguar, Ram, Each

Part Number: ADO-45U0300

Not Yet Reviewed

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Timken Steering Gear Pitman Shaft Seals 313842

Steering Gear Pitman Shaft Seal, AM General, AMC, Buick, Chevy, Ford, GMC, Jeep, Oldsmobile, Pontiac, Each

Part Number: TMK-313842

Not Yet Reviewed

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USA Standard Gear Ring and Pinion Sets ZG GM12T-456T GM 8.875 in. (12-bolt) truck 4.56 Gears

USA Standard Ring & Pinion "thick" gear set for GM 12 bolt truck in a 4.56 ratio

Part Number: SPZ-36180

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

Yukon Gear & Axle Zip Lockers Dana 60/61 YZLD60-3-35

Zip Locker, Air Locker, Dana 60/61, 35 Spline, 4.10 Down Ratio, Each

Part Number: YGA-34022

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

ATP Automatic Transmission Shift Linkage Bushings JO-121

Automatic Transmission Shift Linkage Bushing, GM, Each

Part Number: ATP-JO121

5.0 out of 5 stars ( 1 )

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Motive Gear Differential Pinion Bearings HM804846

Pinion Bearing, Tapered Cone, 1.875 in. I.D., Cadillac, Chevrolet, GMC, Dodge, Oldsmobile, Pontiac, Each

Part Number: MGR-HM804846

Not Yet Reviewed

Estimated Ship Date: Mar 17, 2026 if ordered today

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Estimated Ship Date: Mar 17, 2026 if ordered today

Yukon Gear & Axle Zip Lockers Dana 60/61 YZLD60-4-35

Zip Locker, Air Locker, Dana 60/61, 35 Spline, 4.56 Up Ratio, Each

Part Number: YGA-34024

Not Yet Reviewed

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SVL Drivetrain Ring and Pinion Gear Sets 2020639 GM 7.5/7.6 in. 3.23 Gears

Ring & Pinion Gear Set GM 7.5" / 3.23 Ratio

Part Number: SVL-2020639

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

Yukon Gear & Axle Mini Spools YP MINSGM8.5-28

Mini Spool, Steel, 28-spline, 10-bolt, GM 8.5 in., Each

Part Number: YGA-32232

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 31, 2026 if ordered today

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Estimated Ship Date: Mar 31, 2026 if ordered today

LuK Clutch Kits 6230705770

Clutch Kit, 1.000 in. - 14-spline, Organic Disc, Pressure Plate, Chevy, GMC, Isuzu, Kit

Part Number: LUK-04-065

Not Yet Reviewed

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