Availability
Transmission Harnesses
Showing In Stock Items. Show All 7 Items.
Automatic Transmission Conversion Wiring Harness, GM, 4L60E to 4L80E, 5.3L, 5.7L, 6.0L, Each
Part Number: ICB-WATRA30-18
Estimated Ship Date: Today
Estimated Ship Date: Today
Internal Wiring Harness, Upgrade, GM, Style Harness, Each
Part Number: TCI-276610
Not Yet Reviewed
Estimated Ship Date: Today
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
Estimated Ship Date: Today
Estimated Ship Date: Today
Transmission Harnesses, Atomic Transmission Control Module Harnesses, 4 ft. Extension for MSD Atomic Transmission Controllers Only, Ford, GM, Each
Part Number: MSD-27621
Estimated Ship Date: Nov 23, 2026 if ordered today
Estimated Ship Date: Nov 23, 2026 if ordered 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
Estimated Ship Date: Today
Harness TCU Distributor
Part Number: TCI-377100
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2026 if ordered today
Estimated Ship Date: Dec 22, 2026 if ordered today
This product may not be eligible for select promotional offers
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster