CAB PANEL EXTENSIONS – 49X DAYCAB For Western Star 49X daycab models. Sold in pairs. Add to wishlist Part # : ABP WSS563 Supercede from Part # : WBP WSS563 Categories: 49X, Cab Skirts, other accessories, set-back axle, set-forward axle, Western Star ❮ ❯ Product Information Product Information These cab panel extensions are designed for Western Star 49X daycabs. Each of the panels are blank. Sold in pairs. For ordering or pricing information, please visit your local Western Star dealership. 00813086