Add some fuel tank accessories to your Peterbilt 389. Choose from fuel tanks, safety vents, sending units, and DEF tank accessories to optimize the efficiency, safety, and functionality of Peterbilt 389 semi-trucks. Key features include durable aluminum construction, corrosion-resistant finishes, and various tank sizes, styles, and mounting options for both standard replacements and custom installations. This line also includes DEF tank accessories to integrate emissions systems and keep your Peterbilt 389 running efficiently. Whether upgrading, replacing, or maintaining your fuel system, this product line has the high-quality parts you need to keep your truck on the road.