3inLocking Fuel Tank Cap Fit w/VNL Heavy Duty Truck Replace 20511590, VOL20770691

Get direct replacement of fuel tanks, also known as gas tank caps, from us. It's a truck part that securely seals the opening point of the fuel tank. Keep the tank protected from theft with the built-in locking mechanism-restricting people from siphoning fuel from the vehicle's tank. It will only fit the specified OEMs and brands (added below), ensuring uninterrupted performance and seamless operation. It has an outer and inner diameter of 3 1/2in (filler neck) and 3in (across threads), respectively. Compatible with Other Brands & Their Part Numbers: Replaces 20511590, VOL20770691, 0770691, FTA-C-722L, FTA-C-723, 20770691, 20770691C8T Compatible with Make, Model Year: Fits VN/VNL Trucks Models Note: Please verify the OEM number and brand before making a purchase. Construction: This fuel tank cap is manufactured from aluminum, which ensures durability while keeping it lightweight. The material provides protection against rust, eliminating the risk of corrosion. Thus, it makes it a material choice for locking the fuel tank cap. Locking Mechanism: One of the key parts of this lockable fuel cap is the locking design. It against fuel theft, which is a common practice in trucking yards, construction sites, and overnight parking. For added safety, we have provided 2 keys with this cap, reducing stress on truckers/drivers. Safety-Equipped Tool: It's a non-vented fuel tank cap that ensures a complete seal, eliminating the risk of fuel evaporation, spills, or harmful elements from entering. As it features a steel safety chain (12 3/4in long) and retainer (7in long), it the cap from falling or rolling under the truck. Lastly, it will not accidentally open in bumpy/off-road conditions. Note: Designed for vehicles equipped with properly vented fuel systems. Screw/Twist-On Installation: This locking gas cap for the fuel tank has a and easy installation process. It is an 8 NPSL (National Pipe Straight Locknut) thread design. No complicated alignment or tools required, allowing a simple twist mechanism that enables truckers to secure and remove the fuel cap in seconds. Thus, supporting overall vehicle safety and performance.