SLEEPER WINDOW TOP CAPS – PLAIN For Peterbilt 388 and 389 models. Sold in pairs. Add to wishlist Part # : 10572035 Categories: 388/389 Short Hood (123" BBC), 389/389 Long Hood (131" BBC), Door & Window Trim, Other Accessories, Other Accessories, Peterbilt, Sleeper Caps ❮ ❯ Product Information Product Information These sleeper window top caps are designed for Peterbilt 388 and 389 models. Sold in pairs. Add style and a chopped look to the sleeper windows. IIPB053 For ordering or pricing information, please visit your local dealership.