Peterbilt 357/378 Fuel Tank Senders are a critical component for accurately monitoring fuel levels in Peterbilt semi-trucks. This product lineup includes a variety of fuel level senders designed to work with 26-inch and 23-inch diameter fuel tanks, as well as adjustable senders that accommodate different tank depths. These high-quality senders from trusted brands like Isspro and Teltek ensure reliable and precise fuel readings, helping drivers maximize their fuel efficiency and avoid unexpected refueling stops. Whether you need a replacement fuel sender or are looking to upgrade your Peterbilt's fuel monitoring system, this product lineup has the right solution to keep your truck running smoothly on the open road.