Fuel Tank Caps

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For Reference Only - Some Applications May Vary.


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  1. Locking Fuel Cap Cover KWHD-350005 - Container Security Solutions
    Price $122.22
    Ships Today
  2. Locking Fuel Cap Cover PBTL-0001 - Container Security Solutions
    Price $122.22
    Ships Today
  3. Locking Fuel Cap Cover UNIV-200010 - Container Security Solutions
    Price $122.22
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  4. Locking Fuel Cap Cover FLNR-35 - Container Security Solutions
    Price $122.22
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  5. Cap - Fuel Lever Style, Locking FTC002L - Paccar
    Price $81.49
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  6. Cap - Fuel Locking W/PB Logo Polished 11-04859-200P - Peterbilt
    Price $149.64
    Ships Today
  7. Locking Fuel Caps - Set - 2 K22-1023-2000100 - Kenworth
    Price $141.14
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  8. Fuel Fill Cap, Locking, w/ Logo 11-04859-200 - Peterbilt
    Price $140.81
    Ships Today
  9. Fuel Cap- Locking 2 In. 9114LTEC - Tectran
    Price $70.84
    Ships Today
  10. Fuel Tank Cap 3 In. 23-44117TEC - Tectran
    Tectran Fuel Tank Cap 3 In. 23-44117TEC
    Part# 23-44117TEC OLD# 23-44117
    Price $21.80
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  11. Fuel Cap 3In -NPSL Non-Locking FTC006 - TRP
    Price $10.40
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  12. Fuel Cap - Peterbilt, Non-Locking 11-04859-100 - Peterbilt
    Price $134.19
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  13. Cap-Fuel Tank KW Logo K22-1029 - Kenworth
    Price $127.34
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  14. Cap - Fuel Tank ,Tank, Quarter Turn, Plain, Lock, Ftl 03-37017-002 - Freightliner
    Price $195.23
    Ships within 72 hours
  15. Fuel Fill Cap, Non Locking, With Logo 11-04859-100P - Peterbilt
    Price $143.21
    Ships within 72 hours
  16. Cap - Fuel Tank, Tank, Quarter Turn, Chrome, No Lock, FTL 03-37017-001 - Freightliner
    Price $88.22
    Ships within 72 hours
  17. Fuel Cap 8126-1 - GT Development
    Price $48.81
    Ships within 72 hours
  18. Fuel Cap - Vented - Locking - Female Thread 91-8106 - Tectran
    Price $80.81
    Ships within 72 hours
  19. Cap Fuel 3-5 1/2 - Kenworth 249-2BGTD - GT Development
    Price $95.06
    Ships within 72 hours
  20. Fuel Cap 2 In. - 11.5 NPSF NON Locking FTC005 - TRP
    Price $11.90
    Ships within 72 hours
  21. Fuel Cap 3 In. - 8 Non-Locking - Freightliner FTC001 - TRP
    Price $26.60
    Ships within 72 hours
  22. Fuel Cap Lever Style Non-Locking FTC002 - TRP
    Price $57.06
    Ships within 72 hours
  23. Fuel Cap 349-7059 - CAT
    CAT Fuel Cap 349-7059
    Part# 349-7059 OLD# 3497059
    Price $149.73
    Ships within 72 hours
  24. Gasket - Fuel Cap 90-00334 - Paccar
    Price $20.47
    Ships within 72 hours
  25. O Ring 490-89 - GT Development
    Price $18.94
    Ships within 72 hours
  26. Fuel Cap - Vented - non-locking - Female Threads 91-8105TEC - Tectran
    Price $50.99
    Ships within 3 to 6 weeks
  27. Fuel Cap - Vented 8120 - GT Development
    Price $95.06
    Ships within 3 to 6 weeks
  28. Brass Non-Locking Fuel Cap 600007VEL - Velvac
    Price $95.06
    Ships within 3 to 6 weeks
  29. Fuel Cap Non-Locking 2 In. 9114TEC - Tectran
    Price $43.76
    Ships within 3 to 6 weeks
  30. Moeller Fuel Tank Cap 3-7/8 In. 23-40246TEC - Tectran
    Price $35.67
    Ships within 3 to 6 weeks
  31. Fuel Cap - Vented Non-Locking 91-8103TEC - Tectran
    Price $58.41
    Ships within 3 to 6 weeks
  32. Brass Locking Fuel Cap 600196-6 - Velvac
    Price $100.33
    Ships within 3 to 6 weeks
  33. Fuel Tank Cap - Locking Chrome 3-5 1/2 249-4CB - GT Development
    Price $116.17
    Ships within 3 to 6 weeks
  34. Aluminum Lever Style Non-Locking Fuel Cap 600211 - Velvac
    Price $433.83
    Ships within 3 to 6 weeks
1-36 of 40 Items
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Fuel Tank Caps: Secure Your Rig's Liquid Gold

When it comes to truck accessories, fuel tank caps might not be the first item that comes to mind, but their importance is undeniable. These caps do more than just close the tank; they safeguard the fuel that powers your journeys, ensuring that your rig's "liquid gold" stays where it belongs. Let's delve into what makes fuel tank caps a critical component for any truck driver.

A Closer Look at Fuel Tank Caps 

Understanding the nuances of fuel tank caps can help in selecting the right one for your truck:

  • Security Features: A good fuel tank cap should provide a secure seal to prevent fuel theft and tampering.
  • Materials Matter: Caps are typically made from durable materials like aluminum or high-grade plastics, offering longevity and resistance to the elements.
  • Venting is Vital: Proper venting in a fuel cap is essential to prevent pressure build-up in the fuel tank.

Types of Fuel Tank Caps 

There's a variety of fuel tank caps available, each serving a different purpose:

  • Locking Caps for Security: These caps come with a lock and key mechanism for added security against fuel theft.
  • Vented Caps for Safety: Designed to maintain the right pressure inside the tank and prevent vapor build-up.
  • Non-Vented Caps: Suitable for systems that have a separate tank venting system.

Why Quality Counts

  • Leak Prevention: A high-quality cap ensures no fuel leaks, preserving both the environment and your wallet.
  • Compliance with Regulations: Quality caps are designed to meet industry standards and regulations.

Find Your Perfect Match at Big Rig World 

At Big Rig World, our range of fuel tank caps caters to all types of trucks. Whether you need a locking cap for extra security or a vented one for safety, we have you covered. Our selection is curated to include only the highest quality caps, ensuring durability, reliability, and compliance with all necessary standards. Explore our variety at Big Rig World and find the fuel tank cap that not only fits your truck perfectly but also provides peace of mind. With our fuel tank caps, you can drive confidently, knowing your fuel is well-protected.