TCI Automotive Transmissions, Torque Converters & Parts

TCI Auto believes that performance is defined by results—both on the track and on the street. That’s why every TCI transmission and drivetrain component is designed,...

TCI Auto believes that performance is defined by results—both on the track and on the street. That’s why every TCI transmission and drivetrain component is designed, built, and tested by hardcore racers and street performance enthusiasts. We carry the complete line of TCI street performance, drag race, circle track, RV, and truck automatic transmissions, so you’re sure to find one that’s right for you. Plus, we have TCI torque converters, valve bodies, flywheels, flexplates, trans-brakes, harmonic dampers, transmission fluid, accessories, and a lot more. You can rely on TCI Auto products to deliver the most horsepower...

Individual Parts

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Results 1 - 25 of 27

TCI Trans-Brake Solenoids 221301

TCI Trans-Brake Solenoids 221301

Solenoid, Trans-Brake Solenoid, Aluminum, Natural, GM, TH350, Each

Part Number: TCI-221301

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

TCI Trans-Brake Valve Body Kits 321500

Valve Body, Trans-Brake, Full Manual, Reverse Pattern, Chevy, TH350, Each

Part Number: TCI-321500

3.8 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

TCI Replacement Trans-Brake Release Valves 321400

Release Valve & Spring for #321500 Trans-Brake

Part Number: TCI-321400

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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TCI Trans-Brake Valve Body Kits 321501

V/B TH350 TRANSBRAK W/O 221301

Part Number: TCI-321501

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

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Estimated Ship Date: Nov 4, 2025 if ordered today

TCI Competition Transmissions 312500

Automatic Transmission, Remanufactured, Reverse Shift Pattern, Trans-Brake, Full Manual Valve Body, Chevy, TH350, Each

Part Number: TCI-312500

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 10, 2025 if ordered today

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Estimated Ship Date: Dec 10, 2025 if ordered today

TCI Competition Transmissions 312001

Automatic Transmission, Remanufactured, Reverse Shift Pattern, Full Manual Valve Body, Chevy, TH350, Each

Part Number: TCI-312001

3.25 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

TCI Competition Transmissions 312000

Automatic Transmission, Remanufactured, Forward Shift Pattern, Full Manual Valve Body, Chevy, TH350, Each

Part Number: TCI-312000

3.22 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

TCI Competition Transmissions 312100

Automatic Transmission, Remanufactured, Forward Shift Pattern, Manual Valve Body, Buick, Oldsmobile, Pontiac, TH350, Each

Part Number: TCI-312100

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

TCI Valve Body Gaskets GSK321500

Valve Body Gasket, Full Manual, Reverse Pattern, Fiber, TH350, Transbrake Equipped, Kit

Part Number: TCI-GSK321500

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

TCI 4x4 Full Manual Competition Transmissions 312300

Automatic Transmission, Remanufactured, Forward Shift Pattern, Full Manual Valve Body, Chevy, TH350, Each

Part Number: TCI-312300

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 9, 2025 if ordered today

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Estimated Ship Date: Dec 9, 2025 if ordered today

TCI Circle Track Transmission Packages 312021

TH350 2-SPD CIRCLEMAX W/ 242420

Part Number: TCI-312021

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

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Estimated Ship Date: Nov 14, 2025 if ordered today

TCI Full Manual Valve Bodies 321115

Valve Body, Performance, Full Manual, Reverse Pattern, Chevy, TH350, Each

Part Number: TCI-321115

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

TCI Full Manual Valve Bodies 321001

Valve Body, Full Manual, Forward Pattern, Chevy, TH350, Each

Part Number: TCI-321001

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

TCI Full Manual Valve Bodies 321100

Valve Body, Full Manual, Reverse Pattern, Chevy, TH350, Each

Part Number: TCI-321100

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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TCI Full Manual Valve Bodies 321000

Valve Body, Full Manual, Forward Pattern, Chevy, TH350, Each

Part Number: TCI-321000

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

TCI Gearotor Pumps 743520

Automatic Transmission Pump, Gearotor, Front, GM, Powerglide, Each

Part Number: TCI-743520

Not Yet Reviewed

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TCI Gearotor Pumps 743500

Automatic Transmission Pump, Forged Steel, Bolt-In Stator, Turbo Spline, GM, Powerglide, Each

Part Number: TCI-743500

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

TCI Gearotor Pumps 743525

P/G ALUM RINGLESS GEROTOR PUMP

Part Number: TCI-743525

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

TCI Gearotor Pumps 743504

Automatic Transmission Pump, Gearotor Pump, Front, GM, Powerglide, Each

Part Number: TCI-743504

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 2, 2025 if ordered today

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Estimated Ship Date: Dec 2, 2025 if ordered today

TCI Diablo Shifters 620002BL

Automatic Transmission Shifter, Diablo Black Out Series, Cable Operated, Pistol Grip, With Cover, Two Buttons, Each

Part Number: TCI-620002BL

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

TCI Diablo Shifters 620002

Automatic Transmission Shifter, Diablo, Cable Operated, Pistol Grip, With Cover, 2 Buttons, Each

Part Number: TCI-620002

3.0 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

TCI Diablo Shifters 620001BL

Automatic Transmission Shifter, Diablo Series, Blackout, Cable Operated, Pistol Grip, With Cover, No Buttons, Each

Part Number: TCI-620001BL

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

TCI Diablo Shifters 620004

Automatic Transmission Shifter, Diablo Series, Classic, Cable Operated, Pistol Grip, Without Cover, Two Buttons, Each

Part Number: TCI-620004

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 10, 2025 if ordered today

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Estimated Ship Date: Dec 10, 2025 if ordered today

TCI Diablo Shifters 620001

Automatic Transmission Shifter, Diablo Series, Classic, Cable Operated, Pistol Grip, With Cover, No Buttons, Each

Part Number: TCI-620001

3.5 out of 5 stars ( 4 )

Estimated Ship Date: Dec 10, 2025 if ordered today

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Estimated Ship Date: Dec 10, 2025 if ordered today

TCI Diablo Shifters 620003

Automatic Transmission Shifter, Diablo Series, Classic, Cable Operated, Pistol Grip, Without Cover, No Buttons, Each

Part Number: TCI-620003

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

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