Engine Harness

A high-quality engine-to-cab harness is the backbone of any successful semi-truck engine conversion, repower, glider kit install, or heavy-duty wiring repair. At Kustom Truck Parts, we offer premium semi truck engine harnesses and custom wiring solutions engineered specifically for Caterpillar, Cummins, and Detroit Diesel engines.

Whether you're performing an engine swap, upgrading from mechanical to electronic, or repairing worn OEM wiring, Kustom Truck Parts provides direct-fit engine harness kits, adapters, legacy harnesses, and repair components built for Peterbilt, Kenworth, Freightliner, Western Star trucks. Trust our precision-engineered harnesses for long-term performance and peace of mind on the road.