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Did you lose your fuel tank cap? No worries, we have a large selection of Peterbilt 379 aftermarket fuel tank caps. Find non-locking, locking, vented, and non-vented fuel tank caps. We have custom, chrome, and aftermarket fuel tank caps to help you find the perfect one.

Peterbilt 379 Fuel Tank Caps

Search for top-quality aftermarket Fuel Tank Caps for the Peterbilt 379 model. You can find various part styles, from locking caps and anti-siphon kits to vented lever-style designs. Some of the features include corrosion-resistant materials, pressure relief valves, and leak-proof seals - all engineered to withstand the demands of heavy-duty trucking and to protect your fuel tank.