Discover fuel caps designed for diesel vehicles. Explore options with features like magnetic seals or anodized finishes for a secure, reliable fit.

Find our best fitting fuel caps for your vehicle and enjoy free next day delivery or same day pickup at a store near you!

Fuel caps prevent dirt, debris, and dust from entering the gas tank, as well as provide a reliable seal for the fuel lines. Gas caps that do not tighten properly or break during refueling should be replaced to …

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Cleveland Tank proudly offers a large selection of both non-locking and locking fuel caps for diesel fuel tank applications. Every cap features durable heavy-duty construction and is engineered to resist …

This fuel cap was designed specifically to fit the 6.6L Duramax Diesel Trucks and threads right into the factory filler neck. It is constructed of T6 6061 Aluminum and is anodized in green for corrosion …

Fuel tank caps help prevent fuel evaporation, which can lead to increased emissions and reduced fuel efficiency in vehicles. Fuel caps also help prevent contaminants such as dirt, dust, and debris from …

Your gas cap protects your fuel from becoming contaminated with foreign debris, maintains proper pressure within your fuel tank, and prevents fuel evaporation which helps maintain fuel efficiency.

DIESEL Only for 2019-2025 Dodge Ram green diesel fuel cap. And DEF Cap. The aluminum fuel tank cap is magnetic.