Beat-a-Price Guarantee - You Find It, We'll Beat It!

Beat-a-Price Guarantee - You Find It, We'll Beat It!

Save Now on Select Stock Replacement Parts!

Filters

  • In Stock
  • Brand
  • Make/Model
  • Make/Engine
  • Transmission
  • Transmission Make
  • Drivetrain
  • Price Range
  • Filter Options
  • Savings Central

Selected Filters

Filter Results by Vehicle

Loading...

Availability

  • Filters

  • Brand
  • Make/Model
  • Make/Engine
  • Transmission
  • Transmission Make
  • Drivetrain
  • Price Range
  • Filter Options

Transmission Harnesses

Showing In Stock Items. Show All 5 Items.

Individual Parts
Part Groups

Results 1 - 4 of 4

TCI EZ-TCU Transmission Controller Main Harnesses 30261

Made in the USA TCI EZ-TCU Transmission Controller Main Harnesses 30261

TCI EZ-TCU Transmission Controller Main Harnesses 30261

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

Part Number: TCI-30261

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

...Loading

Estimated Ship Date: Monday 1/12/2026

Fleece Performance GM Automatic Transmission 20-Pin Pigtails FPE-HAR-GM-AT-20-PT

Fleece Performance GM Automatic Transmission 20-Pin Pigtails FPE-HAR-GM-AT-20-PT

Fleece Performance GM Automatic Transmission 20-Pin Pigtails FPE-HAR-GM-AT-20-PT

Transmission Harness, Replacement, 20-Pin Pigtail, GM Automatic Transmission, Gray Connector, 12 in. Wire Leads, Butt-Style Connectors, Each

Part Number: FLE-S0507

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

...Loading

Estimated Ship Date: Monday 1/12/2026

TCI TCU Transmission Wiring Harnesses 377100

Made in the USA TCI TCU Transmission Wiring Harnesses 377100

TCI TCU Transmission Wiring Harnesses 377100

Harness TCU Distributor

Part Number: TCI-377100

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 18, 2026 if ordered today

ATI PCS Automatic Transmission Controller Harnesses ATI705502

ATI PCS Automatic Transmission Controller Harnesses ATI705502

ATI PCS Automatic Transmission Controller Harnesses ATI705502

Transmission Harnesses, Automatic Transmission Controller Harnesses, for Use with ATI PCS Transmission Control Unit 705500, GM, 4L80-E/4L85-E, Each

Part Number: ATI-705502

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

...Loading

Estimated Ship Date: Monday 1/12/2026

  • 1
  • Page 1 of 1

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