Vented Diesel Tank Cap – 2 Inch Base Venting Fuel Gas Cap for Auxiliary/Storage Truck Tool Box, Leak Proof Transfer Fill Lid for Off Road Pickup Generator Tractor, Heavy Duty Metal – Fill Lid Only

["Precise 2-Inch Base Fit – Designed specifically for 2-inch fill ports on auxiliary diesel tanks, transfer tanks, truck tool box tanks, generators, tractors, and off-road equipment. (Fill lid only; base not included.)","Vented Pressure Relief Design – Allows safe venting of fuel vapors and pressure buildup, preventing vacuum lock or tank bulging while maintaining a controlled internal environment for diesel storage.","Heavy Duty Metal Construction – Made from robust metal with a corrosion-resistant finish (gold coating for the 1-pack), ensuring long-lasting durability in harsh conditions, including outdoor jobsites, farms, and off-road use.","Leak-Proof Sealing – Engineered to provide a tight, secure seal that prevents fuel spills, dirt, and moisture from entering your auxiliary tank. Keeps your diesel clean and your workplace safe.","Universal Replacement & Easy Installation – Simple screw-on design for quick replacement of worn or missing caps. Ideal for transfer tanks, storage tool box tanks, pickup truck auxiliary tanks, and fuel caddies. Top cover only – installs in seconds."]