Performance & Replacement Transmission & Drivetrain Parts

Transmission Dipstick, Braided Stainless Steel, Natural, Transmission Mount, 700R4, Each

Part Number: LOK-TD-3700TM

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/10/2025

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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 THM700-R4/4L60/MD8, Each

Part Number: HAY-97-1E28Q

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 1, 2025 if ordered today

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Direct Springs for TH400 High Gear(16)

Part Number: TCI-221600

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

Boost Valve/Bushing, .472 TV, 700R4/200-4R, Towing/Heavy Duty/Off-Road, Kit

Part Number: TRG-7-472

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/10/2025

Transmission Dipstick, Black, Braided Stainless Steel, Bellhousing Mount, Chevy, 700R4, Each

Part Number: LOK-XTD-3700TM

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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Automatic Transmission Direct Drum, Steel, Vaccu Melt 300 Input Shaft, Chevy, TH400, Kit

Part Number: TCI-223600

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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Automatic Transmission Bushings, Extension Housing, GM Transmission, Each

Part Number: DUR-GMT-3-2TG

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

Automatic Transmission Rebuild Components, LCS Governor Cover Gasket, 3.25 in. Diameter, Rubber, GM, TH350, TH200C, THM700-R4/4L60/MD8, Each

Part Number: ATP-SO40

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/10/2025

Automatic Transmission Rebuild Kit, Racing, Chevy, TH400, Kit

Part Number: TCI-228600

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

Torque Converters, Twister 3/4 Race, Street/Strip, 3,200-3,600 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevy THM700-R4/4L60/MD8, Each

Part Number: HAY-97-1E32Q

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 1, 2025 if ordered today

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Torque Converters, Twister 3/4 Race, 1.703 in. Crank Pilot Diameter, 27-spline, 9.600 in. Diameter, Balanced, TH200-4R, THM700-R4/4L60/MD8, Each

Part Number: HAY-97-1F28Q

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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Kit Thrust Washers GM TH400

Part Number: TCI-243600

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Dec 16, 2025 if ordered today

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Boost Valve/Bushing, .422 TV, 700R4/200-4R, Kit

Part Number: TRG-7-422

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

Automatic Transmission Control Solenoids, Replacement, AM General, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Workhorse, Each

Part Number: ATP-JE-53

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

Transmission Bushing, Actual OD - 2.0035; Length - 0.605; Max Wall - 0.0622

Part Number: DUR-44034TG

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

Automatic Transmission Rebuild Kit, Master Racing, GM, TH400, Kit

Part Number: TCI-259015

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2025 if ordered today

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Wheel Bearing, Each

Part Number: TMK-SET4

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 11/10/2025

Wiring Harness, EZ-TCU Transmission Controller Main Harness, Each

Part Number: TCI-30261

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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Axle Bearing, Each

Part Number: TMK-25590

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/10/2025

PRO-X TH400 CENTER SUPPORT RING

Part Number: TCI-223603

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

Automatic Transmission Control Solenoids, Replacement, Bentley, Cadillac, Chevrolet, GMC, Isuzu, Oldsmobile, Rolls-Royce, Each

Part Number: ATP-JE7

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

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Automatic Transmission Control Solenoids, Replacement, AM General, Bentley, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Rolls-Royce, Each

Part Number: ATP-CE3

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

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High Temperature Sealing Ring Kit, 4L80E/4L85E

Part Number: TRG-4L80EHTRK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

Wheel Bearing and Seal Kit, Polaris, Kit

Part Number: ALB-25-1628

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/10/2025

Wheel Bearing Race, Taper Bearing Cup, Steel, 2.563 in. Cup O.D., 0.550 in. Width, Dodge, Ford, Nissan, Saab

Part Number: TMK-LM29710

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025