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International S2100-S2300 Fuel Tank Caps

Check out the top-notch International S2100-S2300 fuel tank caps at 4 State Trucks! We've got a variety of aftermarket and custom fuel tank caps, including locking, vented, and unvented options, along with other fuel tank accessories. Go ahead, upgrade your fuel tank and keep it safe with our reliable selection.
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  • 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:
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Adding your products to cart

Maintain your truck's fuel system with our premium International S2100-S2300 Fuel Tank Caps. These durable caps are designed for a secure, leak-free fit to protect your fuel. Choose from non-locking, vented, and locking options to match your needs. Whether you're replacing an old cap or enhancing your truck's appearance, we offer the perfect solution for your rig. Enjoy the perfect blend of functionality and style with these high-quality fuel tank caps.

Frequently Asked Questions About International S2100-S2300 Fuel Tank Caps

Will this fuel tank cap fit my International S2100 or S2300 truck?

Fuel tank caps for the International S2100-S2300 series are designed to match the OEM fitment for these specific models, but fuel tank neck sizes and thread patterns can vary depending on the model year and tank manufacturer installed on your truck. Before ordering, check your existing cap for its diameter and locking mechanism style, or reference the part number if available, to confirm it matches the listing.

Is this a locking or non-locking fuel cap, and does it come with keys?

Product listings in this category typically specify whether the cap is a locking or non-locking style. Locking caps usually include a set of keys with the purchase, which helps deter fuel theft and tampering. If keys are not included or you need replacements, contact us before ordering so we can confirm what is provided with your specific cap.

What material and finish options are available?

Fuel tank caps are commonly available in chrome-plated steel, aluminum, or plastic construction depending on the specific part. Chrome and aluminum options tend to hold up better against corrosion and road exposure, while also matching the appearance of other chrome accessories on the truck. Check the individual product description for the exact material and finish before purchasing.

How do I install a replacement fuel tank cap?

Most replacement caps thread or clip directly onto the existing fuel tank neck the same way the original cap did, so installation generally does not require tools. Simply remove the old cap by turning or releasing it, then thread or seat the new cap into place until it is snug and sealed. If your cap includes a tether or vent feature, make sure it is oriented correctly so it does not interfere with fueling.

Does this cap include a vent to prevent pressure buildup?

Some fuel tank caps are vented to allow air to enter the tank as fuel is used, while others are non-vented and rely on a separate vent elsewhere in the fuel system. Using the wrong type for your truck can cause fuel delivery issues or tank pressure problems, so check whether your original cap was vented and choose a replacement that matches that function.


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