Fuel tank senders help your Mack CV or GU truck monitor fuel levels accurately, so you’re never left guessing. If your fuel gauge isn’t working or seems off, it might be time to replace the sender. These essential components ensure your dashboard gets the right information, letting you know when it’s time to refuel and keeping your truck running reliably. Find your new Mack CV/GU truck fuel tank sender at 4 State Trucks today!