3" Diesel Fuel Tank Cap for Vo-lvo VN VNL 2010 Onwards, Mack Trucks Fuel Tanks, Replacement OE 20770691 20770657 20770683, Non Locking Gas Cap

[Replaces part number]: 20770691 20770657 20770683 S21685, Non-locking, non-ventilated; To avoid mismatches, please make sure to measure the diameter of the current fuel cap or fuel tank filler pipe before placing an order to ensure it matches the 3-inch specification, making it easy for you to complete the replacement

[Compatibility]: This fuel cap is designed specifically for Vo--lvo VN, VNL series, and Mack heavy-duty trucks from 2010 and onwards, perfectly matching ultra-low sulfur labels or PNG fuel tanks. Please note that this 3-inch diesel cap is a non ventilated design. It is only suitable for low sulfur diesel applications to ensure stable operation of your vehicle's fuel system

[Material and Function]: The product is made of high-quality aluminum. This fuel tank cap can be quickly tightened without the need for additional tools. The built-in anti loss chain can effectively prevent the loss of the fuel tank cap, and the sealing performance is reliable. Even in bumpy road conditions or rainy and snowy weather, it can prevent diesel leakage and pollutants from entering, ensuring your peace of mind throughout long-distance transportation

[Note]: The cap is not ventilated and the diesel tank needs to be ventilated. It is only suitable for diesel tanks with low sulfur labels; The tight sealing design can effectively close the fuel tank, reduce fuel vapor emissions, and improve fuel economy

[Package includes]: 1 x Gas tank filler cover ( Includes rubber gasket seal, safety chain and lock)