$20 Off $250 / $40 Off $500 / $80 Off $1,000 - Use Promo Code: CLASSIC

$20 Off $250 / $40 Off $500 / $80 Off $1,000
Use Promo Code: CLASSIC

Save Now on Select Restoration Parts & Supplies!

Filters

Selected Filters

Filter Results by Vehicle

Loading...

Availability

TCI Auto

1966 OLDSMOBILE TCI Auto Transmissions

Showing In Stock Items. Show All 37 Items.

Individual Parts
Part Groups

Results 1 - 25 of 27

TCI StreetFighter Transmissions 211300

Made in the USA TCI StreetFighter Transmissions 211300

TCI StreetFighter Transmissions 211300

Automatic Transmission, Remanufactured, Forward Shift Pattern, Automatic, Manual Valve Body, Buick, Oldsmobile, Pontiac, TH400

Part Number: TCI-211300

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

TCI Master Racing Overhaul Kits 259000

Made in the USA TCI Master Racing Overhaul Kits 259000

TCI Master Racing Overhaul Kits 259000

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

Part Number: TCI-259000

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

TCI Racing Filter and Pan Gaskets 228500

Made in the USA TCI Racing Filter and Pan Gaskets 228500

TCI Racing Filter and Pan Gaskets 228500

Transmission Filter, Buick, Chevy, Oldsmobile, Pontiac, TH400, Kit

Part Number: TCI-228500

4.22 out of 5 stars ( 36 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

TCI Replacement Steel Transmission Pans 228011

Made in the USA TCI Replacement Steel Transmission Pans 228011

TCI Replacement Steel Transmission Pans 228011

Automatic Transmission Pan, Stock, Steel, Chrome, GM TH400, Each

Part Number: TCI-228011

4.62 out of 5 stars ( 13 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

TCI StreetFighter Transmissions 311190

TCI StreetFighter Transmissions 311190

TCI StreetFighter Transmissions 311190

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

Part Number: TCI-311190

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

TCI High Performance Intermediate Sprags 227900

Made in the USA TCI High Performance Intermediate Sprags 227900

TCI High Performance Intermediate Sprags 227900

Sprag, Intermediate, Steel, 34-Element, GM, TH400, Each

Part Number: TCI-227900

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

TCI Pro Super Transmission Overhaul Kits 228800

Made in the USA TCI Pro Super Transmission Overhaul Kits 228800

TCI Pro Super Transmission Overhaul Kits 228800

Automatic Transmission Rebuild Kit, Pro Super, GM, TH400, Kit

Part Number: TCI-228800

4.25 out of 5 stars ( 12 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

TCI Super StreetFighter Transmissions 311105

Made in the USA TCI Super StreetFighter Transmissions 311105

TCI Super StreetFighter Transmissions 311105

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

Part Number: TCI-311105

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

TCI Super StreetFighter Transmissions 211305

Made in the USA TCI Super StreetFighter Transmissions 211305

TCI Super StreetFighter Transmissions 211305

Automatic Transmission, Remanufactured, Forward Shift Pattern, Automatic, Manual Valve Body, Buick, Oldsmobile, Pontiac, TH400

Part Number: TCI-211305

2.14 out of 5 stars ( 7 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

TCI Automatic Transmission Rear Case Bearings 224400

Made in the USA TCI Automatic Transmission Rear Case Bearings 224400

TCI Automatic Transmission Rear Case Bearings 224400

Bearings, Rear Case, Shims, Automatic, TH400, Kit

Part Number: TCI-224400

4.92 out of 5 stars ( 12 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

TCI PRO-X Transmission Overflow Canisters 228005

Made in the USA TCI PRO-X Transmission Overflow Canisters 228005

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: Feb 27, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 27, 2026 if ordered today

This product may not be eligible for select promotional offers

Need It Sooner? We recommend these similar substitute parts:

ATI Transmission Catch Cans ATI406611

ATI Transmission Catch Cans ATI406611

4.5 out of 5 stars ( 11 )

Estimated Ship Date: Today

...Loading

TCI Transmission Pans 228010

Made in the USA TCI Transmission Pans 228010

TCI Transmission Pans 228010

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

Part Number: TCI-228010

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

TCI Racing Filter and Pan Gaskets 628500

Made in the USA TCI Racing Filter and Pan Gaskets 628500

TCI Racing Filter and Pan Gaskets 628500

Automatic Transmission Filter, Buick, Chevy, Oldsmobile, Pontiac, Powerglide, Kit

Part Number: TCI-628500

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

TCI StreetFighter Transmissions 211390

Made in the USA TCI StreetFighter Transmissions 211390

TCI StreetFighter Transmissions 211390

Automatic Transmission, Remanufactured, Forward Shift Pattern, Automatic, Manual Valve Body, Buick, Oldsmobile, Pontiac, TH400

Part Number: TCI-211390

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 25, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 25, 2026 if ordered today

This product may not be eligible for select promotional offers

TCI PRO-X TH400 Aluminum Tailhousings 226405

Made in the USA TCI PRO-X TH400 Aluminum Tailhousings 226405

TCI PRO-X TH400 Aluminum Tailhousings 226405

Tailshaft Housing, Aluminum, GM, TH400, Each

Part Number: TCI-226405

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

TCI StreetFighter Transmissions 311100

Made in the USA TCI StreetFighter Transmissions 311100

TCI StreetFighter Transmissions 311100

Automatic Transmission, Remanufactured, Forward Shift Pattern, Automatic/Manual Valve Body, BOP, TH350, Each

Part Number: TCI-311100

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

TCI Sprag and Drum Assemblies 223600

Made in the USA TCI Sprag and Drum Assemblies 223600

TCI Sprag and Drum Assemblies 223600

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

Part Number: TCI-223600

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

TCI Competition Transmissions 312100

Made in the USA TCI Competition Transmissions 312100

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: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

TCI TH400 Direct Piston Release Springs 221600

Made in the USA TCI TH400 Direct Piston Release Springs 221600

TCI TH400 Direct Piston Release Springs 221600

Direct Springs for TH400 High Gear(16)

Part Number: TCI-221600

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

TCI PRO-X TH400 Center Support Rings 223603

Made in the USA TCI PRO-X TH400 Center Support Rings 223603

TCI PRO-X TH400 Center Support Rings 223603

PRO-X TH400 CENTER SUPPORT RING

Part Number: TCI-223603

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 25, 2026 if ordered today

This product may not be eligible for select promotional offers

TCI Master Racing Overhaul Kits 259015

Made in the USA TCI Master Racing Overhaul Kits 259015

TCI Master Racing Overhaul Kits 259015

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

Part Number: TCI-259015

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 27, 2026 if ordered today

This product may not be eligible for select promotional offers

Need It Sooner? We recommend these similar substitute parts:

FTI Performance TH400 U-Build It Kits F4019-5

FTI Performance TH400 U-Build It Kits F4019-5

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

TCI Trans-Scat Valve Body Kits 400000

Made in the USA TCI Trans-Scat Valve Body Kits 400000

TCI Trans-Scat Valve Body Kits 400000

Transmission Upgrade Kit, Trans-Scat, Buick, Chevy, Oldsmobile, Pontiac, TH400, Each

Part Number: TCI-400000

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 25, 2026 if ordered today

This product may not be eligible for select promotional offers

Need It Sooner? We recommend these similar substitute parts:

B&M Transpak Kits 20228

B&M Transpak Kits 20228

3.75 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

TCI Automatic Transmission Clutch Steels 224712

Made in the USA TCI Automatic Transmission Clutch Steels 224712

TCI Automatic Transmission Clutch Steels 224712

TH400 FWD KOL .063" (7)

Part Number: TCI-224712

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 25, 2026 if ordered today

This product may not be eligible for select promotional offers

TCI Automatic Transmission Clutch Steels 224512

Made in the USA TCI Automatic Transmission Clutch Steels 224512

TCI Automatic Transmission Clutch Steels 224512

TH400 INT STEEL .063" (5)

Part Number: TCI-224512

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 25, 2026 if ordered today

This product may not be eligible for select promotional offers

TCI Auto Automatic Transmission Cases 210002

Made in the USA TCI Auto Automatic Transmission Cases 210002

TCI Auto Automatic Transmission Cases 210002

CASE, TH-400 REID SFI

Part Number: TCI-210002

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 25, 2026 if ordered today

This product may not be eligible for select promotional offers

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.

Summit Racing Speedcard. Synchrony Car Care.

Summit Racing Equipment SpeedCard

Jumpstart Your Next Project!

View Details|See if you Prequalify