1980 GMC Transmissions

Torque Converter, Nitrous Holeshot,3.400 3,800 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20482

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 11, 2026 if ordered today

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Automatic Transmission Pan, Stock, Aluminum, Polished, GM, TH400, Each

Part Number: TCI-228010

3.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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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: Today

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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: Today

Transmission Modulator Valve, GM, TH350, Each

Part Number: ATP-JX67

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Today

FLEXPLATE

Part Number: PIO-FRA-100

1.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Transmission Dipstick, Braided Stainless Steel, Natural, Transmission Mount, TH400, Each

Part Number: LOK-TD-3400TM

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Flywheel, Iron, 153-Tooth, 16.0 lbs., Internal Balance, Chevrolet, Each

Part Number: CTF-400100

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Estimated Ship Date: Today

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Torque Converter, GM TH400 65-86 FB HS

Part Number: CCV-TQBU3HF

Not Yet Reviewed

Estimated Ship Date: Today

• Core Charge $75.00

Clutch Disc, Dual Friction, 1 1/8 in. Diameter Shaft, 10-Spline, 10.4 in. Diameter Disc, AMC, GM, Each

Part Number: CTF-DF383271

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Today

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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: Today

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: Today

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Flexplate, Superplate, 139-tooth, Steel, Internal Engine Balance, 2-piece Rear Main Seal, SFI 29.2, Chevy, GMC, Each

Part Number: ATI-915555

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Estimated Ship Date: Today

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Flexplate, Gold Series, 168-Tooth, External Engine Balance, 2-Piece Rear Main Seal, SFI 29.1, TH350, TH400, 700R4, Chevy, Small Block, V8, Each

Part Number: PQX-1840000

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Clutch Kit, Organic, 1 1/8 in.- 26-Spline, 11 in. Disc, Buick, Chevy, GMC, Oldsmobile, Pontiac, V8, Kit

Part Number: ZZZ-MU5505-1A

3.73 out of 5 stars ( 11 )

Estimated Ship Date: Today

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Detent Cable, Adjustable, 28-48 in. Length, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: ATP-Y752

3.9 out of 5 stars ( 21 )

Estimated Ship Date: Today

Transmission Fluid Dipstick Components, Automatic Transmission Dipstick Tube Seals, Tube Grommet, 1.015 in. Bore Diameter, Ford, GM, Each

Part Number: ATP-SO35

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Throwout Bearing, 1 1/8 in. Shaft Diameter, 1.60 in. Overall Length, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: RAM-488L

2.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

GM NON LOCK-UP TH350, TH400 3600-3800 STALL

Part Number: FTI-SR7082

Not Yet Reviewed

Estimated Ship Date: May 22, 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: Today

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FLEXPLATE ASSM.

Part Number: PIO-FRA-141

Not Yet Reviewed

Estimated Ship Date: Today

Throwout Bearing, 1 1/8 in. Shaft Diameter, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: RAM-489

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Valve Body Gasket, Full Manual, Reverse Pattern, Fiber, TH400, Kit

Part Number: TCI-GSK221201

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Automatic Transmission Filter, TH400, AM General, Buick, Cadillac, Checker, Chevy, Ferrari, GMC, Jaguar, Each

Part Number: ADO-TF231

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Valve Body Repair, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, TH250, TH250C, TH350, TH350C, Kit

Part Number: TRG-SK350

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Estimated Ship Date: Today