1979 GMC K2500 Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options

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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Centerforce Dual Friction Clutch Discs DF383735

Clutch Disc, Dual Friction, 1 1/8 in. Diameter Shaft, 10-Spline, 11 in. Diameter Disc, GM, Each

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Hays Street 650 Clutch Conversion Kits 92-1102

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Yukon Gear & Axle Differential Pinion Yokes YY GM14T-1410-30S

Yoke, Differential Location, 30-spline Inner, Steel, Rear, GM 10.5 in. (14-bolt), Each

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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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ACDelco Gold Universal Joints 19470447

Universal Joint, Steel, Buick, Cadillac, Chevrolet, Ford, GMC, Oldsmobile, Pontiac, Each

Part Number: ADO-45U0103

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Timken Wheel Seals 416273

Wheel Bearing Seal, Front Inner, Chevy, GMC, Ford, Jeep, Each

Part Number: TMK-416273

5.0 out of 5 stars ( 1 )

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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

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Estimated Ship Date: Mar 27, 2026 if ordered today

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Estimated Ship Date: Mar 27, 2026 if ordered today

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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Centerforce SST Clutch and Flywheel Kits 412614820

Clutch and Flywheel Kit, SST, 1 1/8 in. Diameter Shaft, 26-Spline, 10.4 in. Diameter Disc, Chevy, Kit

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Dorman Clutch Pilot Bushings and Bearings 14650

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3.71 out of 5 stars ( 7 )

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USA Standard Gear Driveshafts ZDS9338

Driveshaft, Front, 2-piece, Assembled, Balanced, Steel, 23.625 in. Length, Chevrolet, GMC, Each

Part Number: SPZ-44290

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Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

Summit Racing™ Manual Transmission Shifter and Installation Kit Pro Packs 13-0060

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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

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Motive Gear Ring and Pinion Sets D44-513 Dana 44 5.13 Gears

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

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Yukon Gear & Axle Differential Pinion Nuts YSPPN-018

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ATP Flywheel and Flexplate Ring Gears ZA-500

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4.83 out of 5 stars ( 12 )

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Pioneer 168-Tooth Flywheel FW-102

Flywheel, OEM Cast, 168-tooth, 30 lbs., External Engine Balance, Chevy, GMC, 400, Each

Part Number: PIO-FW102

4.5 out of 5 stars ( 10 )

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ATP Automatic Transmission Filter Kits B-45

Transmission Filter, Buick, Chevy, GMC, Oldsmobile, Pontiac, TH350, Kit

Part Number: ATP-B45

4.25 out of 5 stars ( 4 )

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TCI High Performance Heat-Treated Sprag Races 328910

TCI High Performance Heat-Treated Sprag Races 328910

Sprag, Intermediate, Steel, GM, TH350, Each

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ATI Automatic Transmission Shift Shaft Seals ATI973050

Automatic Transmission Shift Shaft Seal, Steel/Rubber, GMC, Jaguar, Jeep, Olds, Pontiac, Rolls Royce, Each

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5.0 out of 5 stars ( 5 )

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TCI Replacement Steel Transmission Pans 328011

Automatic Transmission Pan, Stock, Steel, Chrome, GM, TH350, Each

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4.0 out of 5 stars ( 7 )

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Hays Classic Conversion Clutch Kits 83-1102

Clutch Kit, 5/6-Speed Conversion, Organic, 1 .125 in.-26-Spline, 11 in. Diameter Disc, Buick, Checker, Chevy, GMC, Pontiac, Oldsmobile, Kit

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5.0 out of 5 stars ( 1 )

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Hays Heavy-Duty 168-Tooth Flexplate 10-015

Flexplate, Performance, External Balance, 168 Tooth, Chevy, 400 Small Block, Each

Part Number: HAY-10-015

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Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today