Is your Volvo S40's trunk lid getting heavy or not staying open? These A-Premium lift supports are the direct replacement you need. This 2-piece set is made to fit the left and right sides of the rear trunk on Volvo S40 sedans from 2004 through 2011 (check your specific year and model to be sure). They replace OEM part numbers like 30674971 and 30799158. Installation is straightforward – usually no special tools required. These struts feature a leak-proof seal, corrosion-resistant rod finish, and are built to restore easy lifting and secure holding. Comes in strong packaging to prevent damage. Backed by a one-year unlimited-mileage guarantee for peace of mind. Get your trunk working like new again. Order the pair and tackle this quick fix yourself or take them to your mechanic. A simple part that makes a big difference in daily use.