【Compatibility】- Designed to compatible with Volvo VN and VNL Series (2010 & later) and Mack Heavy Duty Trucks with ultra-low sulfur diesel tanks or PNG-labeled tanks. These 3" locking diesel fuel caps are non-vented and require a vented fuel tank. Ideal for low sulfur diesel applications only
【Replaces Part Numbers】- 20770691, VOL20770691, 20511590, S23949. To ensure proper fit, measure the diameter of your existing fuel cap or fuel tank fill tube before purchasing
【Quality Assurance】- The fuel cap is crafted from premium die-cast aluminum alloy and undergoes rigorous durability testing to ensure excellent resistance to corrosion and oxidation, significantly extending its lifespan
【Package Contents】- A set of 2 locking aluminum diesel fuel caps with a 3-inch inner diameter and -8 UNNS threading. The package also includes rubber gasket seals, 8-inch safety chains, and bails for added security, ensuring no oil leaks occur
【Provide】- We stand behind our products with confidence. If you encounter any quality issues, please contact us. Our dedicated team will respond within 24 hours to provide the support you need