The Peterbilt 378, 379, 388, and 389 1987 and newer rear air cleaner light bar is a practical and durable accessory made of stainless steel. Designed for models with standard 15-inch Vortox or Donaldson cans, this light bar measures 20.25 inches long with a 7.25-inch mount. Each light bar features six 2-inch round light holes and is sold in pairs with a harness included. It attaches to the brackets between the hood and cab and the air cleaner on both sides, fitting most Peterbilt 378, 379, 388, and 389 1987 and newer makes and models. Lights and grommets are not supplied.