49X SLEEPER VENT TRIM For Western Star 49x models. Sold in pairs. Add to wishlist Part # : ABP WSS561 Supercede from Part # : WBP WSS561 Categories: 49X, other accessories, Western Star ❮ ❯ Product Information Product Information Designed for Western Star 49X models. For the sleeper vent. Sold in pairs. For ordering or pricing information, please visit your local Western Star dealership. II3M