1971 CADILLAC Transmissions Transmission & Drivetrain

TransGo Automatic Transmission Rebuild Components 400 RK

Specialty Components, TH400 Reverse Cushion Kit

Part Number: TRG-400RK

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

TCI Automatic Transmission Servo Sealing Rings 243800

TCI Automatic Transmission Servo Sealing Rings 243800

Servo Sealing Ring, GM, TH400, Kit

Part Number: TCI-243800

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Fidanza Billet Aluminum 153-Tooth Flywheel 198661

Flywheel, Aluminum, 13.5 lbs., Chevy, Each

Part Number: FIZ-198661

Not Yet Reviewed

Estimated Ship Date: Jun 22, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 22, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

RAM Billet Aluminum 153-Tooth Flywheel 2555

5 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026

...Loading

TCI PRO-X Transmission Overflow Canisters 228005

Transmission Overflow Tank, Pro-X, Aluminum, Black, 1 qt. Capacity, GM TH400, Each

Part Number: TCI-228005

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Hays Heavy-Duty 166-Tooth Flexplate 14-010

Flexplate, Heavy-Duty, SFI 29.1, 166-Tooth, Steel, Zinc Dichromate Finish, Cadillac, V8, Each

Part Number: HAY-14-010

3.0 out of 5 stars ( 2 )

Estimated Ship Date: May 15, 2026 if ordered today

...Loading

Estimated Ship Date: May 15, 2026 if ordered today

Dura-Bond Automatic Transmission Bushings 44034TG

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

Part Number: DUR-44034TG

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

TCI Automatic Transmission Clutch Friction Plates 224000

Frictions High Perf. Direct TH400 .080 (5 ea.)

Part Number: TCI-224000

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

TCI High-Flow Transmission Filter Kits 328505

System High Flow Filter GM TH350

Part Number: TCI-328505

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

B&M Transmission Fluid Dipsticks 22166

Transmission Dipstick, Aluminum, Polished, GM, TH400, Each

Part Number: BMM-22166

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

B&M Master Racing Overhaul Kits 21042

Automatic Transmission Rebuild Kit, Master Racing, GM, TH350, Kit

Part Number: BMM-21042

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

VEGE Remanufactured 1,200 Stall Torque Converter TQBU6

Torque Converters, Remanufactured, OEM Style, 1.875 in. Slotted Hub, 6 Pad Mount, 13 in. Diameter, 1,200 Stall, Avanti, Checker, Excalibur, GM, Each

Part Number: CCV-TQBU6

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 29, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 29, 2026 if ordered today

Hays Twister Full Race 2,800-3,200 Stall Torque Converter 97-1D28F

Torque Converters, Twister Full Race, 2,800-3,200 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevrolet THM400, Buick, Chevy, Jeep, Each

Part Number: HAY-97-1D28F

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 15, 2026 if ordered today

...Loading

Estimated Ship Date: May 15, 2026 if ordered today

B&M Holeshot 3,400-3,800 Stall Torque Converter 20425

Torque Converter, Holeshot, 3,400-3,800 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20425

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

...Loading

Estimated Ship Date: May 12, 2026 if ordered today

ATP Automatic Transmission Inline Filter Kits IL-150

Automatic Transmission Filters, Remote Mount, ATP Automatic Transmission Inline Filter Kits, 5/16 in. Diameter Lines, Sold as a Kit

Part Number: ATP-IL150

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

...Loading

Estimated Ship Date: May 11, 2026 if ordered today

TCI PRO-X TH400 Center Support Rings 223603

PRO-X TH400 CENTER SUPPORT RING

Part Number: TCI-223603

Not Yet Reviewed

Estimated Ship Date: Jun 2, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 2, 2026 if ordered today

Pioneer Automatic Transmission Super Kits 753024

SUPER KIT

Part Number: PIO-753024

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 14, 2026 if ordered today

...Loading

Estimated Ship Date: May 14, 2026 if ordered today

ATP Automatic Transmission Dipstick Tube Seals JO-16

Transmission Fluid Dipstick Components, Dipstick Tube O-Ring, Buick, Cadillac, Chevrolet, Oldsmobile, Pontiac, Rolls-Royce, Jeep, Each

Part Number: ATP-JO16

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

ATP Automotive Automatic Transmission Filters TF-29

AUTO TRANS FLTR KT

Part Number: ATP-TF29

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

...Loading

Estimated Ship Date: May 11, 2026 if ordered today

Pioneer Automotive Automatic Transmission Modulators 747001

MODULATOR

Part Number: PIO-747001

Not Yet Reviewed

Estimated Ship Date: May 14, 2026 if ordered today

...Loading

Estimated Ship Date: May 14, 2026 if ordered today

Pioneer Automotive Automatic Transmission Rebuild Kits 751035

BANNER KIT/short ring kit

Part Number: PIO-751035

Not Yet Reviewed

Estimated Ship Date: May 14, 2026 if ordered today

...Loading

Estimated Ship Date: May 14, 2026 if ordered today

Pioneer Automotive Automatic Transmission Rebuild Components 750038

Overhaul kit

Part Number: PIO-750038

Not Yet Reviewed

Estimated Ship Date: May 14, 2026 if ordered today

...Loading

Estimated Ship Date: May 14, 2026 if ordered today

ATP Automotive Automatic Transmission Rebuild Kits JGS-52

AT OVERHAUL KIT

Part Number: ATP-JGS52

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

...Loading

Estimated Ship Date: May 11, 2026 if ordered today

ATP Automotive Automatic Transmission Modulators JX-76

Auto Trans Modulator Valve

Part Number: ATP-JX-76

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

...Loading

Estimated Ship Date: May 11, 2026 if ordered today

FTI Performance Torque Converters MR6391

TORQUE CONVERTER

Part Number: FTI-MR6391

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

...Loading

Estimated Ship Date: May 27, 2026 if ordered today

TCI Auto Automatic Transmission Cases 210002

CASE, TH-400 REID SFI

Part Number: TCI-210002

Not Yet Reviewed

Estimated Ship Date: Jun 2, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 2, 2026 if ordered today