Peterbilt 330/335/337 Fuel Tank Senders: Accurate Fuel Monitoring Made Easy You can keep better track of your fuel levels with reliable, tube-style fuel senders designed to complement Peterbilt, Mack, and Volvo trucks. Choose from a range of sizes, like 23-inch, 26-inch, or adjustable 5-to-27-inch options, to fit your tank perfectly. Why Choose These? Trusted brands like Isspro and BESTfit. Seamless integration with your truck's fuel system. Consistent, reliable performance for long hauls. With mounting options and replacement parts available, maintaining your fuel system has never been easier!