1966 GMC Transmissions

Throwout Bearing, 1.375 in. Shaft Diameter, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: HAY-70-104

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

Clutch Kit, Organic, 1 1/8 in. Diameter Shaft, 10-Spline, 11 in. Diameter Disc, GM, L6, V8, Kit

Part Number: ZZZ-MU5473-1B

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Flywheel, 90.9mm Crankshaft Bolt Circle, 12mm Bore, 320mm Pressure Plate Bolt Circle, Dual Pattern, 63mm Pilot I.D., 30.2mm Thick, No Dowels, GM, Each

Part Number: LUK-LFW101

3.8 out of 5 stars ( 10 )

Estimated Ship Date: Today

Transmission Modulator Valve, GM, TH300, TH350, TH400, Each

Part Number: ATP-JX66

5.0 out of 5 stars ( 14 )

Estimated Ship Date: Today

Automatic Transmission Gaskets, Stock Transmission Overhaul, Seals, Filter, Buick, Chevy, GMC, Oldsmobile, Pontiac, Powerglide, Kit

Part Number: ATI-206299

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Today

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: May 19, 2026 if ordered today

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Transmission Pan, Stock, Aluminum, Polished, TH400, Buick, Chevrolet, Oldsmobile, Pontiac, Each

Part Number: MRG-9796PMRG

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Torque Converter, Holeshot, 2,300-2,500 rpm Stall Range, Chevy, Powerglide, Each

Part Number: BMM-70411

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Flexplate, 139-tooth, Internal Balance, Steel, SFI-approved, Chevy, GMC, Each

Part Number: ATI-915545

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Automatic Transmission Master Repair Kit, Chevy, GMC, Olds, Pontiac, Jaguar, Jeep, Rolls Royce, TH400, Kit

Part Number: ATP-JMS9

4.25 out of 5 stars ( 4 )

Estimated Ship Date: 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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Torque Converter, GM TH400 65-86 FB HS

Part Number: CCV-TQBU3HF

Not Yet Reviewed

Estimated Ship Date: Today

• Core Charge $75.00

Automatic Transmission Pan, Stock, Aluminum, Natural, GM, Powerglide, Each

Part Number: TCI-528300

4.46 out of 5 stars ( 13 )

Estimated Ship Date: Today

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Automatic Transmission Pan, Stock, Steel, Zinc, GM, Powerglide, Each

Part Number: TCI-528311

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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

Part Number: SXR-K1909-02HD

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Valve Body, Full Manual, Reverse Pattern, Chevy, TH400, Each

Part Number: TCI-221100

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Clutch Kit, 450 Street, 11 in. Disc, 26 Spline, 1.125 in. Input Diameter, Diaphragm, GM, Kit

Part Number: HAY-91-1102

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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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 18, 2026 if ordered today

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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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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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Automatic Transmission Carrier Thrust Washers, 2.749 in. O.D., 0.106 in. Thickness, 2.082 in. I.D., Ford, GM, Each

Part Number: SOX-56241

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Clutch Kits, Street 450 Clutch Conversion Kits, 1.125 in. - 10-spline, Single Organic Disc, 10.500 in. Diameter, Buick, Chevy, Olds, Pontiac, Kit

Part Number: HAY-91-1002

5.0 out of 5 stars ( 2 )

Estimated Ship Date: 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: Today

Automatic Shift Kit, THM400, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Car, Kit

Part Number: TRG-SK400

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Clutch Kits, Street 450 Clutch Conversion Kits, 1.125 in. - 10-spline, Single Organic Disc, 11.000 in. Diameter, Buick, Chevy, Olds, Pontiac, Kit

Part Number: HAY-91-1004

2.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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