$20 Off $250 / $40 Off $500 / $80 Off $1,000 - FINAL DAY! Use Promo Code: TREAT

$20 Off $250 /$40 Off $500 / $80 Off $1,000
FINAL DAY! Use Promo Code: TREAT

Free Mount & Balance for Many Wheel & Tire Packages - Contact us for Details!

Transmission Harnesses

Individual Parts

Results 1 - 20 of 20

Transmission Harness, Holley EFI, Pre-terminated, GM, 1996-2008, 4L60E, 4L80E Transmissions, Each

Part Number: SNE-558-405

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

Transmission Harness, Holley EFI, Pre-terminated, Ford, 1998+, 4R70W/4R75W Transmissions, Each

Part Number: SNE-558-470

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

Wiring Harness, Atomic TCU, GM, 4L60E/4L65E/4L80E/4L85E/4L70E/4L75E, Each

Part Number: MSD-2770

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

Transmission Harness, Holley EFI, Pre-terminated, Ford, 1992-1997, AODE/4R70W Transmissions, Each

Part Number: SNE-558-471

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

Transmission Harnesses, for use with FiTech Ultimate EFI Fuel Injection System to add an Automatic Transmission, Chevrolet, LS, Each

Part Number: FIF-70050-5

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Transmission Harness, Holley EFI, Transmission Control Harness, GM 4L60E, Plug-and-Play, Build in relay, for Dominator EFI ECU, Each

Part Number: HLY-558-455

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

Automatic Transmission Conversion Wiring Harness, GM, 4L60E to 4L80E, 5.3L, 5.7L, 6.0L, Each

Part Number: ICB-WATRA30-18

1.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Wiring Harness, Atomic TCU, Ford, E40D, Each

Part Number: MSD-2776

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

Wiring Harness, Atomic TCU, Ford, AOD/4R70W, Each

Part Number: MSD-2773

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

Wiring Harness, Atomic TCU, Ford, E40D, Each

Part Number: MSD-2775

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

Wiring Harness, Atomic TCU, Ford, 4R70W/4R75W, Each

Part Number: MSD-2772

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

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: Today

...Loading

Estimated Ship Date: Today

Transmission Harnesses, Holley EFI, Control Harness, Chrysler Transmission, 46RE, Plug-and-Play, for Terminator X Max System Only, Each

Part Number: HLY-558-473

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

Transmission Harnesses, Transmission Kickdown Harness, GM THM400, Chevrolet, Each

Part Number: AWW-CH85151

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Internal Wiring Harness, Upgrade, GM, Style Harness, Each

Part Number: TCI-276610

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 17, 2025 if ordered today

This product may not be eligible for select promotional offers

Harness TCU Distributor

Part Number: TCI-377100

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 17, 2025 if ordered today

This product may not be eligible for select promotional offers

Wiring Harness, Atomic TCU, Ford, 4R100, 1998-Newer, Each

Part Number: MSD-2774

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

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: Today

...Loading

Estimated Ship Date: Today

Transmission Harness, OEM Series, Complete Lower/Transmission Harness, for Nissan, Automatic Transmission, Each

Part Number: WRS-SUM00002

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Wiring Harness, Atomic TCU, GM, 4L70E, Each

Part Number: MSD-2771

Not Yet Reviewed

Estimated Ship Date: Oct 23, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 23, 2025 if ordered today

This product may not be eligible for select promotional offers

  • 1
  • Page 1 of 1

Modal Header

Call To Order

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