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Upgrade your rusty fuel tank cap with a new Volvo VNL Version 2 fuel tank caps. Browse our selection of aftermarket and custom replacement gas caps for Volvos. 4 State Trucks carries the best caps to ensure yours lasts for miles to come.

Volvo VNL Gen II Fuel Tank Caps

Enhance your semi-truck's performance and style with the ultimate selection of Volvo VNL Gen II Fuel Tank Caps. Crafted for exceptional durability and functionality, these fuel caps offer a variety of features to meet your trucking needs. From locking fuel caps to leak-proof replacements, our collection has the perfect solution for your Volvo VNL. Keep your fuel secure and your rig running smoothly with our high-quality, OEM-compatible fuel tank caps. Upgrade your Volvo with the best fuel cap options on the market for optimal protection and convenience.

Frequently Asked Questions About Volvo VNL Gen II Fuel Tank Caps

Will these fuel tank caps fit my 2019-2024 Volvo VNL truck?

Yes, our Volvo VNL Gen II fuel tank caps are specifically designed for the 2018 and newer Volvo VNL models, including all variants (VNL 300, 400, 640, 740, 760, and 860). These caps are engineered to match the exact specifications of the Generation II VNL series. However, they are not compatible with pre-2018 VNL models due to different tank neck designs and locking mechanisms.

Are these caps made of chrome-plated plastic or solid metal?

We offer both options depending on your preference and budget. Our premium fuel tank caps feature heavy-duty die-cast aluminum construction with triple-chrome plating for maximum durability and corrosion resistance. We also carry high-quality ABS plastic caps with chrome finish that provide excellent value while maintaining a professional appearance. Each product listing clearly specifies the material composition.

Do I need any special tools to install these fuel tank caps?

No special tools are required for installation. These caps are designed as direct replacements that install exactly like your factory caps. Simply remove your existing cap by turning counterclockwise, clean the tank neck threads if needed, and install the new cap by threading it clockwise until it clicks into the locked position. The entire process typically takes less than 30 seconds per cap.

What locking options are available, and will my existing keys work?

We stock both locking and non-locking fuel tank caps. Our locking caps come with their own set of keys and use a different key pattern than factory Volvo caps for enhanced security. If you need multiple locking caps, we can provide them keyed alike for convenience. For fleet operations requiring specific key codes, please contact our customer service team for available options.

How do these aftermarket caps compare to OEM in terms of seal quality and fuel vapor control?

Our fuel tank caps meet or exceed OEM specifications for seal integrity and vapor emission control. Each cap features high-grade rubber O-ring seals that maintain proper tank pressure and prevent fuel evaporation. They are tested to ensure compliance with EPA regulations and will not trigger check engine lights related to EVAP system leaks when properly installed and maintained.


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