1981 GMC K1500 Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options

Hays Twister Full Race 4,200-4,500 Stall Torque Converter 97-1D42F

Torque Converters, Twister Full Race, 4,200-4,500 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevrolet THM400, Buick, Chevy, Jeep, Each

Part Number: HAY-97-1D42F

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

Motive Gear Performance Ring and Pinion Sets G885273 GM 8.5/8.6 in. 2.73 Gears

Gear, Ring and Pinion, 2.73:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885273

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

ATP Automatic Transmission Inline Filter Kits JX-150

Transmission Filter, Inline, Hose Barbs, fits 5/16 in. Lines, 2 Hoses, 4 Clamps, Kit

Part Number: ATP-JX150

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

ACT Throwout Bearings RB466

Throwout Bearing, Diaphragm, 1.125 in. Shaft Diameter, Chevy, Buick, GMC, Each

Part Number: ACL-RB466

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Yukon Gear & Axle Differential Pinion Yokes YY GM12-1330-C

12P & 12T 1330 cast yoke.

Part Number: YGA-41152

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Dorman U-Joint Repair Kits 81000

U-Joint Strap and Bolts, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: RNB-81000

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

TCI Thrust Washer Kits 243600

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 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

Hays Twister Full Race 3,600-4,200 Stall Torque Converter 97-1D36F

Torque Converters, Twister Full Race, 3,600-4,200 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevrolet THM400, Buick, Chevy, Jeep, Each

Part Number: HAY-97-1D36F

Not Yet Reviewed

Estimated Ship Date: Mar 27, 2026 if ordered today

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Estimated Ship Date: Mar 27, 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: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

SVL Drivetrain Ring and Pinion Gear Sets 2020954 GM 8.5/8.6 in. 3.90 Gears

Ring & Pinion Gear Set GM 10 Bolt 8.5" / 3.90 Ratio

Part Number: SVL-2020954

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Motive Gear Ring Gear Spacers 085050

Ring Gear Spacer, 0.200 in. Thick, 10-bolt, GM 8.5 in., Each

Part Number: MGR-085050

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

Sachs Stock Replacement Clutch Kits K1877-09

CLUTCH KIT

Part Number: SXR-K1877-09

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

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: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

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: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

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 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 GM8.5-342 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 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Motive Gear Ring and Pinion Sets GM10-342A GM 8.5/8.625 in. 3.42 Gears

4.5 out of 5 stars ( 16 )

Estimated Ship Date: Monday 3/9/2026

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Yukon Gear & Axle Bearing Kits BK GM8.5-HD

Ring and Pinion Gear Installation Kit, Bearing Overhaul, 30 Spline, Large Journal, GM 8.5 in., Kit

Part Number: YGA-11069

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

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 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

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: Monday 3/9/2026

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USA Standard Gear Axle Shafts ZA G14071750

Axle Shaft, 30-Spline, 31.438 in. Length, Rear, Chevy, GMC, Each

Part Number: SPZ-35053

4.0 out of 5 stars ( 2 )

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 Servo Sealing Rings 313800

Servo Sealing Rings, GM, TH350, Kit

Part Number: TCI-313800

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Motive Gear Ring and Pinion Sets GM12-456A GM 8.875 in. (12-bolt) truck 4.56 Gears

Ring and Pinion-GM 8.875

Part Number: MGR-GM12-456A

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

SKF Bearings U-Joints UJ534G

Universal Joint

Part Number: SKF-UJ534G

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Dorman Clutch Pilot Bushings and Bearings 690-014.1

Clutch Pilot Bushing .593 In. x 1.09 In. Type A, Length .750 In. Each

Part Number: RNB-690-014-1

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

SKF Bearings Axle Bearings R1563-TAV

Cylindrical roller bearing

Part Number: SKF-R1563-TAV

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

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: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today