This shock absorber is a reliable replacement for Western Star 85958, 65148, and SDA471700003920 models. It is a gas-type shock absorber made by Econoride, with a manufacturer part number of 565.ER3031. It is compatible with various car and truck parts and accessories, fitting into categories such as shocks, struts, and assemblies, as well as steering and suspension. In addition, this shock absorber has OE/OEM part numbers of 85954, 65157, 3737574C1, and 3737575C1. It is designed to provide smooth and consistent performance, ensuring a comfortable and stable ride for drivers and passengers alike. Get this top-quality replacement shock absorber now and improve the overall performance of your vehicle.