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

Timken Clutch Pilot Bearings PB656HD

Pilot Bearing, Roller, Steel, AMC, Buick, Chevy, GMC, Jeep, Oldsmobile, Pontiac, Studebaker, Each

Part Number: TMK-PB656HD

4.5 out of 5 stars ( 8 )

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

Timken Pinion Bearings 02872

Differential Pinion Bearing, 1.125 in. Inside Diameter, Each

Part Number: TMK-02872

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 Trac Loc Positraction Internals YPKGM8.5-P-30

Spider Gear Kit, Positraction Differential, GM 8.5 in., 8.6 in., Aftermarket Yukon Dura/Eaton, 30 Spline, Kit

Part Number: YGA-16053

3.67 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

Motive Gear Ring and Pinion Sets GM10-308A GM 8.5 in. 3.08 Gears

Ring and Pinion-GM 8.5/8.625

Part Number: MGR-GM10-308A

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

Hays Street 450 Clutch Conversion Kits 91-1100

Clutch Kit, 450 Street, 10.5 in. Disc, 26 Spline, 1.125 in. Input Diameter, Diaphragm, GM, Kit

Part Number: HAY-91-1100

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

ACDelco Gold Universal Joints 19470451

U-Joints, Gold Universal Joints, Greasable, Steel, for Nissan, AMC, Chevy, Dodge, Ford, GMC, International, Isuzu, Jeep, Mercury, Olds, Pontiac, Each

Part Number: ADO-45U0107

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

B&M Traveler 1,900-2,100 Stall Torque Converter 30423

Torque Converter, Traveler,1,900-2,000 rpm Stall Range, Chevy, TH350, Each

Part Number: BMM-30423

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

Hays Heavy-Duty 153-Tooth Flexplate 10-012

Flexplate, Performance, Neutral Balance,153 Tooth, Chevy, V8, Each

Part Number: HAY-10-012

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

RAM Competition Pressure Plates 402

RAM Competition Pressure Plates 402

Pressure Plate, Diaphragm-Style, 11 in. Disc Diameter, Chevy, GMC/Oldsmobile, Pontiac, Each

Part Number: RAM-402

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

Yukon Gear & Axle Spider Gear Kits YPKGM12-S-30

Spider Gear Kit, Open Differential, GM 8.875 in., 30 Spline, Kit

Part Number: YGA-16043

5.0 out of 5 stars ( 5 )

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

Timken Axle Bearings 25523

Bearing Race, Axle, Outer, Each

Part Number: TMK-25523

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

Spicer Drivetrain Products Differential Cover Bolts 34279

Differential Cover Bolts, Steel, Black, Hex, Each

Part Number: SDH-34279

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

Hurst Replacement Axle Shafts 02-116

Axle Shaft, Rear, 6 x 5.50 in. Bolt Circle, GM, Each

Part Number: HUU-02-116

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 U-Joints YUJ134

U-Joint, Spicer 1310-1330 Style, Steel, Each

Part Number: YGA-42005

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

USA Standard Gear Ring and Pinion Sets ZG GM8.5-308 GM 8.5/8.6 in. 3.08 Gears

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

Part Number: SPZ-36211

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

Motive Gear Differential Carrier Shim Kits GM10MSK

Differential Shims, Carrier, Steel, GM, 8.5 in., 8.625 in., Kit

Part Number: MGR-GM10MSK

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 Pinion Nut Washers YSPPN-032

Pinion Nut Washer, Each

Part Number: YGA-33166

5.0 out of 5 stars ( 4 )

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 Clutch Forks ZA-100

Clutch Fork, Steel, Black, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: ATP-ZA100

4.44 out of 5 stars ( 9 )

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 Basic Ring and Pinion Gear Installation Kits R10RPK

Ring and Pinion Installation Kit, Basic, GM 8.5 in., Front/Rear, Kit

Part Number: MGR-R10RPK

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

RAM Powergrip HD Clutch Kits 98762HD

Clutch Kit, Powergrip HD, Metallic, 1 1/8 in.- 10-Spline, 11 in. Disc, GM, L6, V8, Kit

Part Number: RAM-98762HD

4.0 out of 5 stars ( 4 )

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 1541H Alloy Axles YA D41677

Axle Shaft, Outer Stub, 1541H, 19 Spline, 9.94 in. Length, Dana 44, Each

Part Number: YGA-21086

4.33 out of 5 stars ( 6 )

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

Hays Billet Steel 153-Tooth Flywheel 10-330

Flywheel, Steel, 153-Tooth, 30 lb., Internal Balance, Chevy, Big, Small Block, Each

Part Number: HAY-10-330

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

Need It Sooner? We recommend these similar substitute parts:

RAM Billet Steel 153-Tooth Flywheel 1511

4.75 out of 5 stars ( 12 )

Estimated Ship Date: Monday 3/9/2026

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Dorman Flywheel Fasteners 74070

Flywheel Fasteners, 12-point, 7/16-20 in. Thread, Steel, Black, Buick, Cadillac, Chevy, Ford, Jeep, Set of 6

Part Number: RNB-74070

3.88 out of 5 stars ( 8 )

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 Replacement Steel Transmission Pans 328011

Automatic Transmission Pan, Stock, Steel, Chrome, GM, TH350, Each

Part Number: TCI-328011

4.0 out of 5 stars ( 7 )

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

FAG USA Wheel Bearings DB0669

Wheel Bearings, Tapered Roller, Steel, 1.313 in. Inside Diameter, 2.687 in. Outside Diameter, Each

Part Number: FWB-DB0669

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