The Peterbilt 587 Fuel Tank Senders product lineup features a range of sender units compatible with Peterbilt and other semi-truck fuel tanks. This includes direct replacement senders for 23-inch diameter tanks as well as adjustable senders that can accommodate tank depths from 5 to 27 inches. These senders connect directly to the fuel gauge, providing accurate and reliable fuel level monitoring. Key benefits include easy installation, consistent performance, and compatibility with a variety of truck makes and models. Whether you need a replacement sender or want to upgrade your fuel level setup, this product lineup has the right solution to keep your semi-truck running smoothly.