null

International LT Fuel Tank Caps

Time to upgrade your International LT Business Class fuel tank cap. Browse for aftermarket and custom fuel tank caps for any sized fuel tank. Find a style that fits your budget and fuel tank right here at 4 State Trucks.
  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • CSM Black Aluminum Alloy Water Tank Cap

    CSM Black Aluminum Alloy Water Tank Cap

    CHROME SHOP MAFIA

    $16.47
    38MM Water Tank Cap By Chrome Shop MafiaSafeguard your truck's fluids with the Chrome Shop Mafia Black Aluminum Alloy Water Tank Cap. Constructed from heavy-duty aluminum alloy weld billet, it fits...
    09-0707002
    SKU:
    09-0707002
    Ready To Ship:
    Yes
    Color:
    Black
    Make:
    Universal Items
    Product Type:
    Fuel Tanks
    Material Options:
    Aluminum
    $16.47
    Qty in Cart: 0
    Price:
    $16.47
    Subtotal:
  • 4 Inch Aluminum Locking Fuel Cap

    4 Inch Aluminum Locking Fuel Cap

    AFTERMARKET

    $366.99
    4 Inch Fuel Cap Locking-8 NPSF Thread* High Quality Locking Fuel Cap* Aluminum* 4 Inch- 8 NPSF Thread* Vented * Made In USA* Sold Individually* Warranty On Locking Fuel Caps Against Defects In...
    09-06010001
    SKU:
    09-06010001
    Material Options:
    Aluminum
    Product Type:
    Fuel Tanks
    Make:
    Universal Items
    $366.99
    Qty in Cart: 0
    Price:
    $366.99
    Subtotal:
  • 3.5 OD X 2.85 Inch ID Fuel Cap Gasket

    3.5 OD X 2.85 Inch ID Fuel Cap Gasket

    AUTOMANN USA

    $3.80
    Replacement 0.14 Inch Thick Fuel Tank Cap GasketNeed a replacement gasket for your 572.1017 fuel cap? This rubber gasket measures 2.85 inches I.D., 3.50 inches O.D., and has a thickness of 0.14...
    09-06010002
    SKU:
    09-06010002
    Truck Class:
    Heavy Duty
    Diameter Options:
    2 3/4 Inch
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Fuel Tanks
    Ready To Ship:
    Yes
    $3.80
    Qty in Cart: 0
    Price:
    $3.80
    Subtotal:
  • FREE SHIPPING OVER $249
    2 Inch 11.5 TPI Brass Non-Vented Locking Fuel Cap

    2 Inch 11.5 TPI Brass Non-Vented Locking Fuel Cap

    VELVAC

    $79.99
    2 inch Locking Fuel Cap, Non- VentedKeep your fuel tank secure with this 2-inch non-vented brass fuel cap. Locks tight to prevent leaks and tampering. Ideal for various vehicles and equipment. Rest...
    29-060315
    SKU:
    29-060315
    Diameter Options:
    2 Inch
    Truck Class:
    Heavy Duty
    Style Options:
    Non Vented
    Material Options:
    Brass
    Make:
    Universal Items
    Product Type:
    Fuel Tanks
    Ready To Ship:
    Yes
    $79.99
    Qty in Cart: 0
    Price:
    $79.99
    Subtotal:
  • FREE SHIPPING OVER $249
    2 Inch Brass 11.5 TPI Non-Vented Fuel Cap

    2 Inch Brass 11.5 TPI Non-Vented Fuel Cap

    VELVAC

    $45.16
    2 Inch Non-Vented Fuel CapLooking for a reliable fuel cap for your industrial or automotive needs? Check out the Brass 2 Inch 11.5 TPI Non-Vented Fuel Cap. Made of durable brass, it's perfect for...
    09-060301
    SKU:
    09-060301
    Truck Class:
    Universal
    Diameter Options:
    2 Inch
    Material Options:
    Brass
    Make:
    Universal Items
    Product Type:
    Fuel Tanks
    Style Options:
    Non Locking
    Ready To Ship:
    Yes
    $45.16
    Qty in Cart: 0
    Price:
    $45.16
    Subtotal:
  • 2 Inch Aluminum Non-Locking, Female, Vented Fuel Cap With 11-1/2 Threads

    2 Inch Aluminum Non-Locking, Female, Vented Fuel Cap With 11-1/2 Threads

    VELVAC

    $89.99
    2 Inch Non-Locking Fuel Cap, VentedReplace a poorly fitting fuel cap with this premium quality non-locking Velvac Fuel cap that is precision designed to deliver OE fit and functionality. It will...
    09-060300002
    SKU:
    09-060300002
    Truck Class:
    Universal
    Diameter Options:
    2 Inch
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Fuel Tanks
    $89.99
    Qty in Cart: 0
    Price:
    $89.99
    Subtotal:
  • FREE SHIPPING OVER $249
    CSM Non-Vented Lever Lock Flush Fuel Tank Cap Assembly

    CSM Non-Vented Lever Lock Flush Fuel Tank Cap Assembly

    CHROME SHOP MAFIA

    $190.99
    Non-Vented Lever Lock Flush Fuel Cap Assembly by Chrome Shop MafiaThis flush fuel cap assembly features an unvented cap with a lever lock and an O-Ring Seal. It is sold individually and is made in...
    09-060300
    SKU:
    09-060300
    Truck Class:
    Universal
    Location:
    Made In USA
    Style Options:
    Non Vented
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Fuel Tanks
    Ready To Ship:
    Yes
    $190.99
    Qty in Cart: 0
    Price:
    $190.99
    Subtotal:
  • Total: items /

Adding your products to cart

Secure your International LT's fuel system with high-quality fuel tank caps. This product lineup includes replacement gaskets, vented caps, and locking leak-defender models, all crafted from durable materials like aluminum and brass. These caps ensure a reliable seal to prevent spills and contamination and maintain fuel system efficiency.

Frequently Asked Questions About International LT Fuel Tank Caps

Will this fuel tank cap fit my International LT model?

Fuel tank caps for the International LT are typically designed to match the neck size and locking mechanism used on that model, but fitment can vary slightly by production year and tank supplier. Before ordering, check the thread size or cam-lock style on your current cap and compare it to the product specifications listed on each item. If you are unsure, reach out to our team with your truck's year and tank details so we can confirm compatibility before you buy.

Is this a locking or non-locking fuel cap?

We carry both locking and non-locking versions of International LT fuel tank caps. Locking caps use a key mechanism to help deter fuel theft and unauthorized access, while non-locking caps are a simpler, lower-cost option for trucks that do not need that extra security. The product title and description will indicate which type you are viewing, so double-check that detail before purchasing.

What material are these fuel tank caps made from, and how durable are they?

Most fuel tank caps in this category are made from durable plastic or metal components designed to hold up to daily road exposure, including sun, moisture, and road grime. Metal caps generally offer added strength and a more traditional appearance, while plastic caps are lighter and resistant to corrosion. Each listing notes the specific material used so you can choose based on your durability preference and budget.

How do I know if my current cap is causing a fuel smell or venting issue?

A worn seal, cracked gasket, or damaged vent inside the cap can allow fuel vapor to escape or let debris into the tank, which is a common reason drivers replace their cap. If you notice a persistent fuel odor near the tank, difficulty maintaining pressure, or visible cracks on the current cap, it is a good sign the cap needs replacing rather than the tank itself. Installing a properly fitted replacement cap usually resolves these issues.

Is installation straightforward, or do I need a mechanic?

Replacing a fuel tank cap on an International LT is generally a simple, tool-free task that most drivers can handle themselves. In most cases, you simply remove the old cap by unscrewing or unlocking it, then thread or lock the new cap into place until it seats securely. If your cap includes a locking mechanism, make sure to test the key function after installation to confirm it operates smoothly.


Introducing the Official 4 State Trucks Mobile App – Gear Up On the Go!