Peterbilt 388 Fuel Tank Senders - Comprehensive Coverage for Your Semi Truck Needs This comprehensive product lineup of Peterbilt 388 fuel tank senders provides the essential components to keep your semi-truck's fuel system operating at peak performance. From replacement tube-style senders to adjustable units, this selection caters to a variety of Peterbilt, Mack, and Volvo fuel tank configurations. Whether you need a sender for a 23-inch, 26-inch, or custom-sized tank, you'll find reliable options from trusted brands like Isspro and BESTfit. Enhance your truck's fuel gauge accuracy and ensure consistent fuel level readings with these durable, high-quality fuel tank senders - the perfect solution for maintaining your Peterbilt 388's fuel system.