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Fix up your fuel tank with an International 9200 and 9400 fuel tank caps. Shop our wide selection of aftermarket fuel tank caps in different styles, sizes, and materials. Find a fuel tank cap that fits your fuel tank and your budget at 4 State Trucks.

International 9200/9400 Fuel Tank Caps

Keep your International 9200/9400 fuel system secure with high-quality tank caps from this product lineup. Designed for a perfect fit, these caps offer features like thermal relief, pressure management, and locking options, ensuring leak-free and efficient truck performance.

Frequently Asked Questions About International 9200/9400 Fuel Tank Caps

Will these fuel tank caps fit my specific International 9200 or 9400 model year?

These fuel tank caps are designed to fit International 9200 and 9400 models from 1989 through 2003. However, there are variations between early and late production years. Pre-1995 models typically use a 4-inch diameter cap with coarse threads, while 1995 and newer models often require a 4.25-inch cap with fine threads. Always verify your existing cap size and thread type before ordering, or contact our support team with your VIN for exact fitment confirmation.

What's the difference between locking and non-locking fuel caps, and which should I choose?

Locking fuel caps provide theft deterrence and are recommended for owner-operators or fleets operating in high-risk areas. They feature a key mechanism that prevents unauthorized removal. Non-locking caps offer quicker access for frequent fueling and are preferred by drivers who fuel multiple times daily. Both types seal equally well when properly installed. Consider your typical parking locations and fueling frequency when making your choice.

Are these caps made of plastic or metal, and how long can I expect them to last?

We offer both aluminum and heavy-duty polymer options. Aluminum caps typically last 5-7 years with proper care and resist UV damage better than plastic. High-quality polymer caps are more affordable and last 3-5 years under normal conditions. Both materials feature quality gaskets that should be inspected annually. Aluminum caps may develop oxidation in salt-heavy environments but remain functional, while polymer caps can become brittle in extreme cold climates.

My current cap leaks or won't seal properly - will a new cap fix this issue?

A new cap often resolves sealing issues, but first inspect your fuel tank neck for damage, corrosion, or worn threads. If the neck threads are damaged, even a new cap won't seal properly and neck repair may be needed. Look for bent flanges, rust buildup, or cross-threaded damage. Clean the neck threads with a wire brush before installing any new cap. If problems persist after installing a quality replacement cap, the issue likely lies with the tank neck itself.

Do these caps come with installation hardware, and how difficult is replacement?

Fuel cap replacement is a straightforward 5-minute job requiring no special tools. The caps come complete with integrated gaskets but no additional hardware is needed. Simply unscrew the old cap counter-clockwise and thread the new cap on clockwise until snug - do not overtighten. For locking caps, keys are included. Some drivers apply a thin coat of anti-seize compound to the threads to prevent future sticking, especially in corrosive environments.


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