4 Inch Fuel Cap with 190 Degree Thermal Relief

4 Inch Fuel Cap with 190 Degree Thermal Relief

Manufactured in the USA by Fuel Tank Accessories, these 4 Inch Fuel Caps with 190 Degree Thermal Relief offer superior performance for your fuel system. Constructed from durable 369 Aluminum Alloy, they're engineered for longevity and reliability. Precision-built to meet the highest quality standards, these caps guarantee a proper fit and leak-free operation. The replaceable synthetic gasket resists corrosion and prevents freezing in extreme cold conditions.

Depending on your needs, you can either choose a locking fuel cap or one without a lock. Both have a 12" chain with an 8" loop to keep your cap from dropping to the ground. The cap is made with an internal diameter of 4.35" and comes with NPSL (National Pipe Straight Lock) threads. NPSL caps will work with both NPSL and NPSM.

Finally, these 4 Inch Fuel Cap with 190 Degree Thermal Relief for vented fuel tanks. These caps do not have venting built into them. If you need a Vented 4" Fuel Cap with Thermal relief, check them out here. If the fuel cap is heated to over 190 degrees, the safety mechanism will melt away allowing the tank to vent. As a result, this venting helps reduce the chance of explosion.

Features

• Cast from 369 Aluminum
• Available with Locking mechanism
• 190 Degree Thermal Relief Built in
• 12" Chain and 8" loop included
• Available with NPSL threading
• Internal Diameter of 4.35
• Made to match OEM specifications
• Cast here in the USA

FTA Fuel Caps vs the competition

What makes these fuel caps the best on the market comes down to 3 key features