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

Motive Gear Ring Gear Fasteners RGB5-LW

Lockwasher, LOCKWASHER 3/8" SPLIT ZINC

Part Number: MGR-RGB5-LW

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

Powertrax Differential Carrier Replacement Parts 1920604SAJ

SPACER

Part Number: PWT-1920604SAJ

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Powertrax Differential Carrier Replacement Parts 1950604SBS

Differential Rebuild Kit, Active Spacer

Part Number: PWT-1950604SBS

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Sets YG GM14T-456 GM 10.5 in. (14-bolt) 4.56 Gears

Ring & Pinion Gear, 4.56 Ratio, GM, 10.5 in., 14-Bolt, Set

Part Number: YGA-24136

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

Lokar Hi-Tech Kickdown Kits XKD-2350TPU

Automatic Transmission Kickdown Cables, Hi-Tech Kickdown Kits, Black Vinyl Jacket, 42.00 in. Cable Length, Fittings, GM, THM350, Kit

Part Number: LOK-XKD-2350TPU

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

Yukon Gear & Axle Differential Carrier Replacement Parts YSPTW-045

14T 10.5" GM S/G T/W

Part Number: YGA-33383

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

Yukon Gear & Axle Super Carrier Shims YPKGM9.5-PC-SHI

Eaton positraction Shim kit for 9.5" GM

Part Number: YGA-16059

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

Yukon Gear & Axle Minimum Install Kits MK GM8.5-F

Ring and Pinion Gear Installation Kit, Minimum Install, 30-spline, Standard Rotation, Front, GM 8.5 in. (Truck, Front), Kit

Part Number: YGA-12056

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

Zoom MU Series Clutches MU1862-1A

Clutch, MU Series, 10-spline, Ceramic Disc, 12 in. Diameter, Pressure Plate, Chevy, GMC, Kit

Part Number: ZZZ-MU1862-1A

4.0 out of 5 stars ( 1 )

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 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 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

Spicer Drivetrain Products Axle Shafts 10007808

Chromoly Front Axle Shaft - Inner (Dana 60) RH

Part Number: SDH-10007808

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

Yukon Gear & Axle Differential Clutch Sets YPKGM14T-PC-14

Differential Clutch, Carbon Fiber Pack, Posi, GM, 8.875 in., Set

Part Number: YGA-16112

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

TCI Automatic Transmission Clutch Steels 224512

TCI Automatic Transmission Clutch Steels 224512

TH400 INT STEEL .063" (5)

Part Number: TCI-224512

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

TCI Automatic Transmission Clutch Steels 224712

TH400 FWD KOL .063" (7)

Part Number: TCI-224712

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

Richmond Gear EXCel Spline Differential Carrier Cases GM 9.25 Inch, IFS XL-5055

Differential Carrier

Part Number: RMG-XL-5055

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

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK024 GM 10.5 in. (14-bolt) Dana 60 5.38 Gears

This is a complete package that includes front & rear ring & pinion sets along with the most complete master o

Part Number: SPZ-40019

Not Yet Reviewed

Estimated Ship Date: Mar 10, 2026 if ordered today

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Estimated Ship Date: Mar 10, 2026 if ordered today

USA Standard Gear Axle Shafts, Direct Fit ZA K630137

Axle 9.5" GM REAR, '81-'95 TRK & '83-'96 G30 VAN, 32-3/4", 8 LUG, 33spl, RH, 1561 BRG

Part Number: SPZ-11947

Not Yet Reviewed

Estimated Ship Date: Mar 10, 2026 if ordered today

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Estimated Ship Date: Mar 10, 2026 if ordered today

Alloy USA Differential Master Overhaul Kits 352021

Ring and Pinion Gear Installation Kit, 10-Bolt, 30 Pinion Spline Count, Gear Rotation Standard, Chevy, GMC, Buick, Pontiac, Oldsmobile, Cadillac, Kit

Part Number: ALY-352021

4.0 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

ARB Air Locker 28 Spline Differential GM 8.5 Inch RD221

Differential Carrier, Air Locker, Nodular Iron, GM 8.5 in., Kit

Part Number: ARB-RD221

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Hays Street 650 Clutch Conversion Kits 92-1002

Clutch Kit, Street 650 Clutch Conversion, Performance, Single Disc, 1.125 in. - 10-spline, 10.500 in. Sintered Metallic Disc Diameter, Chevy, Jeep

Part Number: HAY-92-1002

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

Hays Twister 3/4 Race 2,800-3,200 Stall Torque Converter 97-1C28Q

Torque Converters, Twister 3/4 Race, Street/Strip, 2,800-3,200 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, THM350C, Chevy, Each

Part Number: HAY-97-1C28Q

1.0 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

Moog Chassis Parts Yokes 626

Flange Yoke

Part Number: MOG-626

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

PRW Billet Aluminum 153-Tooth Flywheel 1932700

Flywheel, PQx, Billet Aluminum, 153-tooth, 13.000 lbs., SFI 1.1, Neutral Engine Balance, Chevy, Each

Part Number: PQX-1932700

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Yukon Gear & Axle Super Joint U-Joints YP SJ-297X-203

Yukon Chromoly Superjoint kit for Dana 30, 44 & GM 8.5 Front, Pair

Part Number: YGA-32083

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

Yukon Gear & Axle Pinion Kits PK GM9.5-A

Ring and Pinion Installation Kit, 30 Spline, GM 9.5 in., Kit

Part Number: YGA-13075

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