1981 GMC K1500 Transmissions

Torque Converters, MR Series, Hard Hitting, 1.703 in. Crank Pilot Diameter, 30-spline, 9.500 in. Diameter, Race Usage, TH350, TH400, Each

Part Number: FTI-MR3380

Not Yet Reviewed

Estimated Ship Date: Apr 8, 2026 if ordered today

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Clutch Assembly, 342.9mm Clutch Diameter, 301.63mm Clutch Disc Diameter, 10-Spline, 5-Spring, 1.125 in. Input Shaft Diameter, GM, L6, V8, Kit

Part Number: LUK-04-105

5.0 out of 5 stars ( 1 )

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

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Clutch Kit, Concept 10.5 Dual-Disc Clutch, 1.125 in. - 10-spline, Organic Disc, Pressure Plate, Chevy, Small Block, Kit

Part Number: RAM-50-2120

1.0 out of 5 stars ( 1 )

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

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Torque Converters, Twister 3/4 Race, Street/Strip, 2,800-3,200 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevy THM400, Buick, Chevy, Each

Part Number: HAY-97-1D28Q

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Estimated Ship Date: Mar 27, 2026 if ordered today

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Throwout Bearing, 1400 Series, Hydraulic, 1.250 in. Diameter, Billet Aluminum Bearing, Mopar, A833, Each

Part Number: MCL-1406-10

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

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Clutch Disc, Dual Friction, 1.125 in.- 26-spline, 12 in. Diameter, Buick, Cadillac, Chevy, GMC, Olds, Pontiac

Part Number: CTF-DF382612

4.67 out of 5 stars ( 3 )

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

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Sprag, Intermediate, Steel, 34-Element, GM, TH400, Each

Part Number: TCI-227900

5.0 out of 5 stars ( 2 )

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

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Bearings, Rear Case, Shims, Automatic, TH400, Kit

Part Number: TCI-224400

4.92 out of 5 stars ( 12 )

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

Automatic Transmission Shift Shaft Seal, Steel/Rubber, Chevy, GMC< Buick, Pontiac, Cadillac, Jeep, Bentely, Isuzu, Each

Part Number: ATP-SO19

4.64 out of 5 stars ( 11 )

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

Torque Converter, GM TH400 65-86 FB HS

Part Number: CCV-TQBU3HF

Not Yet Reviewed

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

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Clutch Kit, Stock Replacement Usage, 1.125 in. - 10-spline Input, 12.00 in. Disc Diameter, Pressure Plate, Checker, Chevrolet, GMC, Pontiac, Kit

Part Number: SXR-K1909-02

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

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Seal, Automatic Transmission Shift Shaft, Steel/Rubber, GM, Each

Part Number: NTL-8792S

3.67 out of 5 stars ( 3 )

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

Transmission Filter, Replacement, TH400, Buick, Chevrolet, GMC, Jeep, Oldsmobile, Pontiac, Each

Part Number: WIX-58881

3.5 out of 5 stars ( 8 )

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

Transmission Pan, Deep, Steel, Chrome, GM, TH400, Each

Part Number: BMM-20289

4.11 out of 5 stars ( 9 )

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

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Throwout Bearing, Standard, Self-aligning, Buick, Checker, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: TMK-614018

3.67 out of 5 stars ( 3 )

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

Flywheel Bolts, Heat Treated Steel, 12 point, 7/16 in.- 20 RH, 1.00 in. length, Chevy, Ford, Set of 6

Part Number: PQX-1001102

Not Yet Reviewed

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

Torque Converters, Twister 3/4 Race, 1.703 in. Crank Pilot Diameter, 30-spline, 9.600 in. Diameter, 2,400 rpm Advertised Flash Stall, TH400, Each

Part Number: HAY-97-1D24Q

Not Yet Reviewed

Estimated Ship Date: Mar 27, 2026 if ordered today

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Pilot Bushing and Bearings, Stock, Roller, Powdered Metal, Each

Part Number: RNB-690-057

5.0 out of 5 stars ( 2 )

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

Direct Springs for TH400 High Gear(16)

Part Number: TCI-221600

3.5 out of 5 stars ( 2 )

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

Pressure Plate, Centerforce II, Diaphragm-Style, 12 in. Disc Diameter, Each

Part Number: CTF-CFT361909

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 30, 2026 if ordered today

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Clutch Fork Pivot Ball, Fixed, Steel, Natural, GM, Each

Part Number: HAY-84-119

3.0 out of 5 stars ( 6 )

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

Pilot Bearings and Bushings, Roller Type, Steel Roller Bearing, 0.719 in. Width, 1.100 in. O.D., Buick, Chevy, Eagle, GMC, Jeep, Olds, Pontiac, Each

Part Number: SKF-B657

3.0 out of 5 stars ( 4 )

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

Transmission Modulator Valve, GM, TH350, Each

Part Number: ATP-JX67

4.9 out of 5 stars ( 10 )

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

Automatic Transmission Shift Shaft Seal, Nitrile, Buick, Cadillac, Chevy, Each

Part Number: ADO-8792S

1.0 out of 5 stars ( 2 )

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

Clutch Kit, Organic, 1 1/8 in.- 10-Spline, 12 in. Disc, Chevy, GMC, Pickup, SUV, Van, L6, V8, Kit

Part Number: ZZZ-MU1862-1

3.0 out of 5 stars ( 4 )

Estimated Ship Date: Jun 2, 2026 if ordered today

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