Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
Putco standard H4 wiring harness and plug is a heavy-duty replacement for H4 bulbs, featuring a hard-insulated plastic connector and 16-gauge wiring. Built to withstand temperatures above 480°F, it provides extra protection when used with high-wattage bulbs. The harness is an easy swap for original plugs, offering dependable electrical connections for headlight or fog light applications.
Putco H4 - Standard Harness Wiring Harnesses
