This Dorman 645-745 Headlight Wiring Harness Assembly is an excellent accessory for your vehicle. It is designed to work as a direct replacement and improves the quality of your vehicle's lighting system. The assembly type is Wiring Harness Pigtail and the bulbs included are not available. This product is suitable for LS, LT, LTZ, SLE, SLT, Denali 4.8, 5.3, 6.0, 6.6 Duramax Vortec Pickup Truck Headlight Lamp Light Halogen with interchange part numbers 25962806, 15841609. It is a custom accessory DIY mod fix repair replace that can be placed on the left, front, or right of your vehicle. The Bulb Shape Code is H7 9005 9006 and the Manufacturer Part Number is 645-745. Get this quality product with a free shipping offer in the USA.