The Peterbilt 389 Glider Fuel Tank Caps product line offers a wide selection of high-quality replacement parts for Peterbilt trucks, including fuel tank caps, gaskets, and anti-siphon kits. Whether you need a locking fuel cap, a non-vented lever-style cap, or a replacement O-ring, this product line has you covered. The products are designed to provide a secure and leak-free seal to protect your fuel system and prevent unauthorized access. With a variety of sizes, materials, and features available, you can find the perfect fuel tank cap to fit your specific Peterbilt model. Enhance the performance and protection of your Peterbilt 389 with the top-of-the-line fuel tank caps in this comprehensive product line.