1981 CHEVROLET K20 Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options

Richmond Gear EXCel Ring and Pinion Gear Installation Kits XL-1018-1

Ring and Pinion Kit

Part Number: RMG-XL-1018-1

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

Lokar Hi-Tech Kickdown Kits KD-2350TP

Lokar Hi-Tech Kickdown Kits KD-2350TP

Automatic Transmission Kickdown Cable, Hi-Tech, Natural Braided Stainless Steel, Natural Aluminum Fittings, GM, TH350, Kit

Part Number: LOK-KD-2350TP

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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ATP Automatic Transmission Dipstick Tube Seals SO-33

Transmission Fluid Dipstick Components, Dipstick Tube Seal, Rubber, 0.68 in. I.D., 0.87 in. O.D., GM, Each

Part Number: ATP-SO33

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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SKF Bearings U-Joints UJ534G

Universal Joint

Part Number: SKF-UJ534G

Not Yet Reviewed

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Yukon Gear & Axle Ring and Pinion Sets YG GM8.5-273 GM 8.5/8.6 in. 2.73 Gears

Ring and Pinion Gear, 2.73:1 Ratio, GM 8.5/8.6, 10 Bolt Cover, 30 Spline, 10 Ring Gear Bolts, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Set

Part Number: YGA-24490

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Dorman Pinion Shaft Fasteners 81048

Differential Shaft Lock Bolt, Steel, Cadillac, Chevy, GMC, Ford, Mercury, Each

Part Number: RNB-81048

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Yukon Gear & Axle Ring and Pinion Sets YG GM14T-488T GM 10.5 in. (14-bolt) 4.88 Gears

Ring & Pinion Gear, 4.88 Ratio, GM, 10.5 in., 14-Bolt, Set

Part Number: YGA-24138

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

Moog U-Joint Fasteners 360-10

U-Bolts, Steel, Fits 354, 368, 369, 455, and 455 U-Joints, Pair

Part Number: MOG-360-10

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Powertrax Grip Pro Traction Systems GM 8.875 Inch (12-bolt), truck GT248730

Differential, Grip Pro Traction System, 30-Spline, GM 8.875 in. 12-Bolt Truck, Each

Part Number: PWT-GT248730

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Yukon Gear & Axle Dura Grip Positraction Carriers GM 8.875 Inch (12-bolt), truck YDGGM12T-3-30-1

4 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Yukon Gear & Axle 14 Bolt GM 10.5 Inch Differential Cover YP C5-GM14T

Differential Cover, 14-bolt, Steel, Natural, GM 10.5 in. (14-bolt), Each

Part Number: YGA-32345

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Pioneer Transmission Dispstick Tube Seals 760014-5

Tube Seals, Transmission Fluid Dipstick Components, GM, Set of 5

Part Number: PIO-760014-5

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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FAG USA Wheel Bearing Seals SS3230

Seal GM,Jeep,Mopar 57-91

Part Number: FWB-SS3230

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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USA Standard Gear Driveshafts ZDS9339

Driveshaft, Front, 2-piece, Assembled, Balanced, Steel, 29.500 in. Length, Chevrolet, GMC, Each

Part Number: SPZ-44293

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Timken Axle Bearings B2110

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

Part Number: TMK-B2110

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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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

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

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McLeod RST Street Twin Clutch Kits 6913-04

5 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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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 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Summit Racing™ Positraction 33 Spline Differential Carriers GM 9.5 Inch SUM-730988

Differential Carrier, Positraction, Clutch-type, 33-spline, Chevy, GMC, Hummer, Each

Part Number: SUM-730988

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Richmond Gear Mini-Spools 78-1230-1

Spool, Mini, Steel, 30-Spline, 12-Bolt, GM 8.875 in., Each

Part Number: RMG-78-1230-1

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 33 Spline Differential Carrier Cases 14038087

Differential, Open, Empty, GM, 9.5 in., Each

Part Number: MGR-14038087

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

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 )

Estimated Ship Date: Tomorrow

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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 )

Estimated Ship Date: Tomorrow

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TCI Thrust Washer Kits 243600

Kit Thrust Washers GM TH400

Part Number: TCI-243600

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

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 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Centerforce II Clutch Kits KCFT355216

5 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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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

McLeod Super StreetPro Clutch Kits 75231

Clutch Kit, Super StreetPro, 1.125 in. - 26-spline, Organic/Ceramic Disc, Pressure Plate, Chevy, Kit

Part Number: MCL-75231

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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