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Buddy's Truck Security

Kenworth - International - Mack - Volvo Semi Truck Heavy Duty Locking Diesel Fuel Cap Cover

Kenworth - International - Mack - Volvo Semi Truck Heavy Duty Locking Diesel Fuel Cap Cover

Regular price $99.95 USD
Regular price Sale price $99.95 USD
Sale Sold out



This locking fuel cap cover protects against fuel theft and contamination. The cover fits over your existing fuel cap.


  • Sold INDIVIDUALLY - ONE cap cover.
  • Built-in lock
  • Shiny plated finish
  • Three (3) Keys
  • May be transferred between vehicles
  • All-Weather, corrosion-proof lock
  • Cap cover spins freely when locked
  • Built-in "spring open" mechanism
  • Made from Zamak5 Zinc Alloy
  • Pairs keyed alike. 

Designed for heavy duty Class 8 trucks, this cover may fit other vehicles based on existing fuel cap dimensions. 


Cover Dimensions: ID 4.25" x 1.38" (H)

Is this the right part? 

       Make sure your truck make, model and year are reflected in the product description. If there are no fitment listings, contact us and we’ll find out if this is the right part for your truck.

Fits the following trucks:


  • K100C: 1985 - 1992
  • K100 Cabover: 1967 - 1984
  • K100E: 1985 - 1992
  • T2000: 1996 - 2010
  • T300 & T450: 1993 - 2008
  • T370: 2009 - Current
  • T600: 1986 - 1993
  • T600: Aerocab 1993 - 2007
  • T600B: 1990 - 2007
  • T660: 2008 - 2016
  • T680: 2013 - Current
  • T700: 2011 - 2014
  • T800: 1986 - Current
  • T800 Curved Glass: 1993 - Current
  • T880: 2014 - Current
  • W900A: 1970 - 1982
  • W900B: 1983 - Current
  • W900B Aerocab: 1994 - Current
  • W900L: 1990 - Current
  • W900L Aerocab: 1994 - Current


  • ProStar
  • 9200: 1997 - 1999
  • 9200i: 2000 - 2010
  • 9300 SBA: 1997 - 2000
  • 9370: 1997 - 2000
  • 9400: 1997 - 1999
  • 9400i: 2000 - 2010
  • 9670 Cabover: 1997 - 1998
  • 9900: 1998 - 1999
  • 9900i: 2000 - 2011
  • 9900ix: 2000 - 2011


  • CH Model: 2000 - 2003
  • CHN613 SFA: 2004 - 2007
  • CHU613 SFA: 2008 - Current
  • CV713 Granite: 2003 - 2012
  • CX613: 2000 - 2005
  • CXN613 Vision SBA: 2004 - 2007
  • CXU613 Vision SBA: 2008 - 2012


  • VNL Version 1: 2000 - 2003
  • VNL Version 2: 2004 - Current
  • VT880: 2006 - 2010


Thank you! Please contact us for any other concerns you have.

Note: Unless someone from our team recommended or advised you to buy a particular cover, you are responsible for return shipping costs.

Shipping & Returns


UNOPENED MERCHANDISE – You can return any “unopened” products within 30 days of delivery for a full product refund. We do not refund shipping charges. 

OPENED MERCHANDISE– “Opened” products can be returned within 30 days of delivery* but will be subject to a 15% restocking fee to cover testing, repacking, etc. Opened returns must be in new and uninstalled materials and packaging.

NON-RETURNABLE ITEMS – Certain items that are Built-To-Order or Custom are not returnable. These items will be clearly marked as such in the product detail.

MANUFACTURER RE-STOCKING FEES - Some manufacturers charge a re-stocking fee on returns. If you need to return an item direct to the manufacturer, the re-stocking fee will be deducted from your refund. 


Contact us via e-mail, chat or telephone to let us know you need to return something. 

We do not pay return shipping costs. We can provide a label, but the cost of return shipping will be deducted from your refund. 

Include all paperwork, parts, and accessories in a secure package.

All returned items must be brand new, uninstalled, unused, and in their original packaging.

Do not write on or place labels directly on the manufacturer packaging.

Send your package to 143 East Pond Drive, Romeo, MI 48065 UNLESS you are instructed to return to a different address. Some items may need to return directly to the manufacturer from where they shipped. 

Returned items will be inspected when they arrive.

Keep the tracking number of your preferred shipper so that you can monitor its delivery.

You can expect a refund in the same form of payment originally used for the purchase within 2-4 weeks of our receipt of the returned items.

A 15% restocking fee applies to opened products. 

NOTE: Unless you were advised by someone at Buddy's in regard to a particular part's fitment or appropriateness to your needs, you are responsible to pay return shipping costs. Google and other Internet searches do not match your vehicle to the part you need - if you have any questions or are uncertain you are purchasing the right part, please contact us. 

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Kenworth Locking Fuel Caps Worth the Investment

Kenworth locking fuel caps: Protects against Theft

Are you worried about fuel theft? If so, Buddys Truck Security has the perfect solution – Kenworth locking fuel caps. Securing your fuel is an important step in protecting your business. With our secure, easy-to-install Kenworth locking fuel caps, you can rest assured your fuel is safe from theft.

At Buddys Truck Security, we understand fuel security's importance to your business. That's why we offer top-of-the-line Kenworth locking fuel caps. Our locking fuel caps are designed to be easy to install, prevent tampering, and provide an extra layer of security to your fuel tank. No matter the size or type of fuel tank, our locking fuel caps can be tailored to fit your specific needs.

Our Kenworth locking fuel caps are designed to be robust and durable. They are made of heavy-duty steel designed to withstand even the toughest environments. They are also corrosion-resistant, so you won't have to worry about rust or corrosion damaging your fuel tank. And, with our locking fuel caps, you can rest assured that your fuel is secure from theft.

Kenworth Fuel Cap Fits Best on your Existing Fuel Cap

This Kenworth Fuel Cap fits your existing fuel cap best and is designed to provide reliable protection from dirt and debris. With the Buddys Truck Security Kenworth Fuel Cap, you can rest assured that your truck's fuel system remains protected and secure.


  • Sold INDIVIDUALLY - ONE cap cover.
  • Built-in lock
  • Shiny plated finish
  • Three (3) Keys
  • It may be transferred between nvehicles
  • All-Weather, corrosion-proof lock
  • The cap cover spins freely when locked
  • Built-in "spring open" mechanism
  • Made from Zamak5 Zinc Alloy
  • Pairs keyed alike.

Trucks are important investments for any business, and protecting them is essential. That's why we at Buddys Truck Security design heavy-duty Class 8 fuel cap cover to keep your truck safe and secure. It's designed to fit Kenworth trucks but may fit other trucks based on existing fuel cap dimensions.

For heavy-duty Class 8 trucks, the Kenworth fuel cap is the perfect choice for protecting and securing your truck. With its easy installation and durable construction, you can be sure that your truck is safe and secure. Whether you're looking for a Kenworth Fuel Cap Cover or one that fits other vehicles, Buddys Truck Security has you covered. Get the protection you need for your truck today with the Buddys Truck Security fuel cap cover.

  • Free Shipping

    We'll handle shipping, feel piece of mind when it arrives.