Upgrade your Peterbilt 378, 379, 388, or 389 2005 and newer model with these standard rear air cleaner light bars. Crafted from durable stainless steel, each bar is designed for 13-inch standard air cleaners on set-back axle models. The light bars feature 8 amber/clear 3/4 inch round LED lights, measuring 20.56 inches long with a 1.75-inch mount. Sold in pairs, they come with lights, hardware, and harnesses included, making installation a breeze. These light bars are a practical and stylish addition to your Peterbilt, fitting most 2005 and newer makes and models.