The Peterbilt 379, 388, 389 1987-2004 Rear Air Cleaner Light Bars are a practical and functional addition to your truck. Made from stainless steel, these light bars are designed to fit 15-inch Vortox and Donaldson air cleaners. Each light bar features six 2-inch round red lights, providing enhanced visibility. Measuring 20.25 inches long with a 7.25-inch mount, these light bars are sold in pairs and come with harnesses and lights included. Easily mount them to the air cleaner mounting strap bolts. Suitable for most Peterbilt 378, 379, 388, and 389 1987-2004 makes and models, these light bars are a reliable choice for truck owners.