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

Yukon Gear & Axle Master Overhaul Kits YK GM9.5-A

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

Part Number: YGA-14096

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

USA Standard Gear Ring and Pinion Sets ZG GM8.5-430 GM 8.5/8.6 in. 4.30 Gears

Ring and Pinion Gear, 4.30:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36217

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

Hays Street 450 Clutch Conversion Kits 91-1003

Hays Street 450 Clutch 10.5" 70-84 Chevy/Pontiac/Olds V8, 26-spline, Kit

Part Number: HAY-91-1003

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

McLeod 500 Series Clutch Discs 260573

Clutch Disc, Metallic, 1 1/8 in. 26-Spline, 12.0 in. Disc, Each

Part Number: MCL-260573

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

McLeod Aluminum 168-Tooth Flywheel 560132

Flywheel, Aluminum, 12.0 lbs., 168-Tooth, Internal/External Balance, Chevy, Each

Part Number: MCL-560132

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

SKF Bearings Axle Bearings R1563-TAV

Cylindrical roller bearing

Part Number: SKF-R1563-TAV

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Yukon Gear & Axle Spider Gear Kits YPKGM14T-S-30

Spider Gear Kit, Open Differential, GM 10.5 in., 30 Spline, Kit

Part Number: YGA-16044

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 U-Joints YUJ801

U-Joint, Spicer 1410, Steel, Chevy, Dodge, Ford, GMC, Jeep, Plymouth, Ram, Each

Part Number: YGA-42022

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

Need It Sooner? We recommend these similar substitute parts:

Spicer Drivetrain Products Life Series U-Joints for 1957-1959 MARK 1 - 5-1410X

5 out of 5 stars ( 11 )

Estimated Ship Date: Monday 2/23/2026

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Richmond Gear Differential Carrier Bearing Shim Kits 38-0007-1

Carrier Shims, Ford 8.8 in., GM 12-Bolt Truck, GM 9.3 in. C-Axle, Kit

Part Number: RMG-3800071

4.13 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Richmond Gear EXCel Spline Differential Carrier Cases GM 10.5 Inch (14-bolt) XL-5030

Differential Carrier

Part Number: RMG-XL-5030

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Yukon Gear & Axle Ring and Pinion Sets YG GM9.5-342 GM 9.5 in. 3.42 Gears

Ring and Pinion Gears, 3.42:1 Ratio, 30-spline, Standard Rotation, GM 9.5 in., Set

Part Number: YGA-24502

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Sets YG GM9.5-373 GM 9.5 in. 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 9.5 in., 14-Bolt, 1997-2013, With 33 Spline C-clip Axles, Set

Part Number: YGA-24166

1.0 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

Hays Street 450 Clutch Conversion Kits 91-1006

Clutch Kit, Hays Street 450 Clutch, 10-spline, 12 in. Disk, Diaphragm Pressure Plate, Chevy/GMC, Kit 10-spline

Part Number: HAY-91-1006

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

PRW Pressure Plate Fasteners 1050101

Pressure Plate Bolts, 12 Point, 4135 Chromoly, Black Oxide, Chevy, Big, Small Block, Kit

Part Number: PQX-1050101

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

ACDelco Gold Universal Joints 19470445

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

Part Number: ADO-45U0108

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

PRW Billet Aluminum 168-Tooth Flywheel 1935000

Flywheel, PQx, Billet Aluminum, 168-tooth, 13.900 lbs., SFI 1.1, Internal Engine Balance, Chevy, Each

Part Number: PQX-1935000

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

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 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

Richmond Gear Differential Pinion Shims 16-0090-1

Mini Spool; Differential Pinion Shim; Fits Ford 7.5 in./Ford 8.8 in./GM 8.5 in.

Part Number: RMG-16-0090-1

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

Anchor Industries Driveshaft Center Support Bearings 6038

Driveshaft Support Bearing, Rubber, Black, Chevy, Dodge, Ford, GMC, Each

Part Number: ANI-6038

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Yukon Gear & Axle Differential Cover Bolts YSPBLT-075

Differential Cover Bolt, Steel, Black, Hex Head, 0.500 in. Wrench Size, Dana 25, 27, 30, 44, Model 35, GM 7.5 in., GM 8.2 in., Each

Part Number: YGA-33286

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM9.5-488 GM 9.5 in. 4.88 Gears

USA Standard Ring & Pinion gear set for GM 9.5" in a 4.88 ratio

Part Number: SPZ-36227

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

VEGE Remanufactured 1,200 Stall Torque Converter TQBU6

Torque Converters, Remanufactured, OEM Style, 1.875 in. Slotted Hub, 6 Pad Mount, 13 in. Diameter, 1,200 Stall, Avanti, Checker, Excalibur, GM, Each

Part Number: CCV-TQBU6

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today