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Check out our selection of Freightliner FLC120 fuel and DEF cap covers at 4 State Trucks! Whether you need vented, non-vented, lockable with keys, or non-locking options, we've got you covered. Our gas caps come in various styles and sizes, perfect for giving your truck that custom look. Shop now and find your fit!

Freightliner FLC120 Fuel Tank Caps

Explore a versatile collection of Freightliner FLC120 fuel tank caps designed to keep your truck running smoothly. This product lineup features a wide range of products, including chrome plastic non-locking caps, 3-inch female vented locking caps, replacement leak defender caps, and brass non-vented caps. Keep your fuel tank secure and prevent leaks with these high-quality, durable fuel tank solutions. Whether you need a basic replacement or an advanced anti-siphon system, you'll find the perfect cap for your Freightliner FLC120 truck. Upgrade your rig with these essential fuel tank accessories and ensure reliable, leak-free performance on the road.

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