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

Timken Axle Bearings B2110

Axle Bearing, Inner, 1.625 in. Diameter, 1.312 in. Bore, Each

Part Number: TMK-B2110

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RAM Concept 10.5 Dual-Disc Organic Clutch Kits 50-2122

RAM Concept 10.5 Dual-Disc Organic Clutch Kits 50-2122

Clutch Kit, Concept 10.5 Dual-Disc Clutch, 1 1/8 in. Input, 10-Spline, Organic, AMC, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: RAM-50-2122

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Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

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McLeod RST Street Twin Clutch Kits 6913-04

5 out of 5 stars ( 1 )

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Yukon Gear & Axle 4340 Chromoly Axles YA W39253

Axle Shaft, Front Inner, 4340 Chromoly, 28 Spline, 35.46 in. Length, GM 8.5 in., Each

Part Number: YGA-21366

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Summit Racing™ Neutral Safety and Backup Light Switch for 1974-1980 Chevy/GMC C/K Series Trucks, Blazer, Jimmy, Malibu, 1974-1975 Cutlass, 1974-1979 Pontiac SUM-RP21426

Neutral Safety Back Up Switch, Plastic, Automatic Transmission, Chevy, GMC. Oldsmobile, Pontiac, GM#1994163 , Each

Part Number: SUM-RP21426

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Yukon Gear & Axle Spindle Bearings and Seals YSPSP-024

D50 & D60 INNER FRONT SPINDLE BEARING & SEAL KIT (Outer Stub Axle Seal), _REPLACES 700014

Part Number: YGA-33497

4.0 out of 5 stars ( 1 )

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Dorman U-Joint Repair Kits 81020

U-Joint Repair Kit, Cadillac, Chevy, Dodge, GMC, Jeep, Kit

Part Number: RNB-81020

2.0 out of 5 stars ( 3 )

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Hays Street/Strip Clutch Kits 85-113

Clutch, Street/Strip, General Motors, V6/L6, Each

Part Number: HAY-85-113

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

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Centerforce II Clutch Kits KCFT355216

5 out of 5 stars ( 6 )

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TCI Competition Transmissions 312500

Automatic Transmission, Remanufactured, Reverse Shift Pattern, Trans-Brake, Full Manual Valve Body, Chevy, TH350, Each

Part Number: TCI-312500

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

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TCI Competition Transmissions 312001

3.25 out of 5 stars ( 4 )

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Yukon Gear & Axle Differential Clutch Sets YPKGM12-PC-18

Differential Clutch, Steel Pack, Dura-Grip, Eaton, 18-Plate, GM, 8.875 in., Set

Part Number: YGA-16110

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG D44-513T Dana 44 5.13 Gears

USA Standard Ring & Pinion "thick" gear set for Dana 44 in a 5.13 ratio

Part Number: SPZ-36051

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

ACDelco Gold Universal Joints 19473223

Universal Joint, Gold, Greasable, Steel, Round Plain, for Infiniti, for Nissan, Chevy, Dodge, Ford, GMC, Lincoln, Mercury, Ram, SRT, Toyota, Each

Part Number: ADO-45U0109

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Yukon Gear & Axle Trac Loc Positraction Internals YPKGM8.5-P-28

Differential Internals, Yukon Dura Grip or Eaton Positraction Internals for 8.5" GM with 28 Spline Axles, Kit

Part Number: YGA-16052

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Hays Twister 3/4 Race 2,800-3,200 Stall Torque Converter 97-1B28Q

Torque Converters, Twister 3/4 Race, 1.703 in. Crank Pilot Diameter, 30-spline, 9.600 in. Diameter, TH350, 2,800 rpm Advertised Flash Stall, Each

Part Number: HAY-97-1B28Q

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Spicer Drivetrain Products Differential Pinion Nuts 30185

Pinion Nut, Steel, 3/4 in.-16 Thread, Each

Part Number: SDH-30185

5.0 out of 5 stars ( 1 )

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Spicer Drivetrain Products Pinion Bearings 706031X

Differential Pinion Bearing Kit (Cup/Cone) - Dana 44

Part Number: SDH-706031X

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Hurst Ring and Pinion Sets 02-114 GM 8.875 in. (12-bolt) truck 4.56 Gears

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

Part Number: HUU-02-114

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Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Yukon Gear & Axle Differential Pinion Yokes YY D44-1310-26S

Yoke, Differential Location, 26-spline Inner, Steel, Spicer 1310 U-joint Style, Each

Part Number: YGA-41017

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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 Spartan Lockers GM 8.5 Inch SL GM8.5-30

Differential Carrier, Spartan Locker, Steel, 30-spline, Rear, GM 8.5 in., Each

Part Number: SPZ-17041

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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 Locking Hubs YHC70007

Locking Hubs, Aluminum, 19-spline, Chevy, Dodge, Ford, GMC, Jeep, Plymouth, Pair

Part Number: YGA-29096

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Motive Gear Basic Ring and Pinion Gear Installation Kits RA28LR

Ring and Pinion Installation Kit, Basic, Dana 44, Front/Rear, Kit

Part Number: MGR-RA28LR

4.0 out of 5 stars ( 1 )

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 4340 Chromoly Axles YA W39252

Axle Shaft, Front Inner, 4340 Chromoly, 28 Spline, 19.51 in. Length, GM 8.5 in., Each

Part Number: YGA-21365

5.0 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

Motive Gear Performance Ring and Pinion Sets G885308 GM 8.5/8.6 in. 3.08 Gears

Gear, Ring and Pinion, 3.08:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885308

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

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Allstar Performance Ring and Pinion Gear Sets ALL70120 GM 8.5/8.6 in. 3.08 Gears

5 out of 5 stars ( 2 )

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USA Standard Gear Ring and Pinion Sets ZG GM9.5-342 GM 9.5 in. 3.42 Gears

USA Standard Ring & Pinion gear set for GM 9.5" in a 3.42 ratio

Part Number: SPZ-36298

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

ACDelco Gold Universal Joints 19470454

Universal Joint, Gold, Greasable, Steel, Round Grooved, Chevrolet, Dodge, Ford, GMC, International, Jeep, Mazda, Plymouth, Each

Part Number: ADO-45U0104

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Yukon Gear & Axle Differential Pinion Nuts YSPPN-009

Differential Pinion Nut, 3/4-16 in. Thread, Steel, Each

Part Number: YGA-33143

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