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Fuel Tank Anti-Siphons & Locking Caps for Trucks   Made in USA

Has Someone Been Stealing Your Fuel?

Is saving less than $20 worth the potential loss of $1,000 in fuel?

Anti-Siphons & Locking Fuel Caps install easily in Heavy & Medium Duty, Volvo, Mack, International, Kenworth, Freightliner, Reefer, Western Star, Sterling, and Peterbilt diesel fuel tank necks. Can also be used in many buses and foreign Class 7 Trucks. Inexpensive and Effective solution to prevent fuel loss from thieves.

Add that extra Security with a Locking Fuel Cap.

Made in the USA, using the finest quality materials. Anti-Siphons will install in male threaded fuel necks at least 3" long. Locking Fuel Caps for most Trucks.

Truck Fuel Tank Anti-Siphons - Help Prevent Fuel Theft


Volvo, Mack, International Anti-Siphon


  • Availability:
  • In Stock
  • Warranty:
  • Life of Fuel Tank, Installed In.
  • Manufacturer:
  • Fuel Tank
     Accessories
  • Model #:
  • FTA-3-7
     FTA-3-7S
     FTA-25-675
     FTA-25-675S

Volvo, Mack, International Anti-Siphon

  • Available in Two Sizes
    • For 3" Inside Diameter; 7" Length; Tabs at 3 3/4"
    • For 2 1/2" Inside Diameter; 6 3/4" Length; Tabs at 3 3/4"
  • A Must Have for Every Trucker
  • Prevent Fuel Thieves
  • Easy Installation

Kenworth Anti-Siphon


  • Availability:
  • In Stock
  • Warranty:
  • Life of Fuel Tank, Installed In. 
  • Manufacturer:
  • Fuel Tank
     Accessories
  • Model #:
  • FTA-25-7
     FTA-25-7S
     FTA-2-7K
     FTA-2-7KS

Kenworth Anti-Siphon

  • Available in Two Sizes
    • For 2 1/2" Inside Diameter; 7" Length; Tabs at 1/2" & 2 3/4"
    • For 2" Inside Diameter; 7" Length; Tabs at 3 3/4"
  • For Heavy and Medium Duty Fuel Tanks
  • Designed to Prevent Fuel Thieves
  • Made of ASTM 6061


Freightliner & Medium Duty Class 7 Anti-Siphon


  • Availability:
  • In Stock
  • Warranty:
  • Life of Fuel Tank, Installed In. 
  • Manufacturer:
  • Fuel Tank
     Accessories
  • Model #:
  • FTA-225-7
     FTA-225-7S
     FTA-2-7
     FTA-2-7S

For Freightliner & Medium Duty Class 7

Secure your fuel with easy to install Made in USA Anti-Siphons.

Designed to block thieves from stealing your fuel.


Features:

  • Available in Two Sizes
    • For 2 1/4" Inside Diameter; 7" Length; Tabs at 3/4" & 2 3/4"
    • For 2" Inside Diameter; 7" Length; Tabs at 2 3/8"
  • For Heavy & Medium-Duty Fuel Tanks
  • Prevents Siphoning of Your Fuel.

Reefer & Medium-Duty International Class 7 Anti-Siphon


  • Availability:
  • In Stock
  • Warranty:
  • Life of Fuel Tank, Installed In.
  • Manufacturer:
  • Fuel Tank
     Accessories
  • Model #:
  • FTA-187-75
     FTA-187-75S

For Reefer & Medium Duty International Class 7

Protect your Fuel Tanks from Fuel Thieves with Anti-Siphons. Made from the finest quality material.


Features:

  • For 1 7/8" Inside Diameter; 7" Length; Tabs at 3 3/4"
  • Applies to Medium-Duty Truck Fuel Tanks
  • Prevents Fuel Theft
  • Easy to Install


Anti-Siphon for Fuel Tank w/4" Fill Neck Length 7"


  • Availability:
  • In Stock
  • Warranty:
  • Life of Fuel Tank, Installed In.
  • Manufacturer:
  • Fuel Tank
     Accessories
  • Model #:
  • FTA-4-9
     FTA-4-9S

For Fuel Tank w/4" Fill Neck Length 7"

Guaranteed for the life of the fuel tank they are installed. Prevent thieves from stealing your fuel before it's too late.


Features:

  • For 4" Inside Diameter; 7" Length; Tabs at 4 1/2"
  • Prevents Fuel Theft
  • Easy to install
  • Extremely Secure
  • Applies to Heavy Duty Diesel Fuel Tank

Peterbilt Anti-Siphon w/Adapter


  • Availability:
  • In Stock
  • Warranty:
  • Life of Fuel Tank, Installed In.
  • Manufacturer:
  • Fuel Tank
     Accessories
  • Model #:
  • FTA-P-67
     FTA-P-67S

For Peterbilt Anti-Siphon w/Adapter


No more worries about your fuel being stolen. Protect your Fuel Tank with Anti-Siphon to prevent fuel theft.


Features:

  • For 2 1/2" Inside Diameter; 6 3/4" Length; No Tabs"
  • Designed to foil fuel thief
  • Applies to Heavy Duty Fuel Tanks
  • Designed for Perterbilt Install


Locking Fuel Cap For Trucks


Reefer, International MD, & Ford 650/750 Locking Fuel Cap

  • Price :  $ 52.95


  • Availability:
  • In Stock
  • Warranty:
  • 90 Days
  • Manufacturer:
  • Fuel Tank
     Accessories
  • Model #:
  • FTA-C-02

Reefer, International MD, & Ford 650/750


This Locking fuel cap is made of high grade aluminum. It features a 220°F thermal relief valve.


Features:

  • 2.0" Aluminum Cap Assembly
  • 220°F Thermal Relief (Over Temp) ( Locking )
  • 8.00" Chain & 6.50" Bail (End of chain connection) w/ "DIESEL FUEL ONLY"

Volvo, Mack, International Locking Fuel Cap

  • Price :  $ 44.95


  • Availability:
  • In Stock
  • Warranty:
  • 90 Days
  • Manufacturer:
  • Fuel Tank
     Accessories
  • Model #:
  • FTA-C-69

Volvo, Mack, International


This Locking Fuel cap has "Diesel Only Keep Clean" stamped on top of the cap. The fuel cap features 8.00" Chain & 6.50" Bail.


Features:

  • 3.0" Aluminum Cap Assembly
  • Pressure Relief (Over Pressure) Locking
  • 8.00" Chain & 6.50" Bail (End of chain connection) w/ "DIESEL ONLY KEEP CLEAN"


Volvo, Mack PNG Fuel Tanks (Low Sulfur) Locking Fuel Cap

  • Price :  $ 45.95


  • Availability:
  • In Stock
  • Warranty:
  • 90 Days
  • Manufacturer:
  • Fuel Tank
     Accessories
  • Model #:
  • FTA-C-76

Volvo, Mack PNG Fuel Tanks (Low Sulfur)


Fuel tank cap for Volvo, Mack PNG fuel tanks( low sulfur). It has "DIESEL ONLY KEEP CLEAN" stamped on the top of the cap.


Features:

  • 3.0" Aluminum Cap Assembly
  • PNG Style Cap w/no logo
  • 6.5" Chain & 6.50" Bail (End of chain connection) w/ "NON-VENTED" "DIESEL ONLY KEEP CLEAN"

Freightliner M2 Locking Fuel Cap

  • Price :  $ 52.95


  • Availability:
  • In Stock
  • Warranty:
  • 90 Days
  • Manufacturer:
  • Fuel Tank
     Accessories
  • Model #:
  • FTA-C-13

Freightliner M2


The FTA-C-13 is a locking fuel cap that is constructed of high grade aluminum and fits Freightliner M2 class Trucks


Features:

  • 2.5" Aluminum M-2 Cap Assembly
  • 220°F Thermal Relief (Over Temp) Locking
  • 8.00" Chain & 6.50"Bail (End of chain connection) w/ "DIESEL FUEL ONLY"


Freightliner Locking Fuel Cap

  • Price :  $ 69.95


  • Availability:
  • In Stock
  • Warranty:
  • 90 Days
  • Manufacturer:
  • Fuel Tank
     Accessories
  • Model #:
  • FTA-C-93

Freightliner


Fits your Freightliner truck with 1/4 turn non-threaded fill necks.


Features:

  • Aluminum  Cap Assembly for 1/4 Turn Non-Threaded Fill Necks
  • 220° F Thermal Relief (Over Temp) Locking
  • 8.00" Chain & 6.50" Bail (End of chain connection) w/ "DIESEL ONLY"

Kenworth Locking Fuel Cap

  • Price :  $ 45.95


  • Availability:
  • In Stock
  • Warranty:
  • 90 Days
  • Manufacturer:
  • Fuel Tank
     Accessories
  • Model #:
  • FTA-C-97

Kenworth


Fuel locking cap that fits Kenworth. It features 250°F thermal relief.


Features:

  • 3.5" Aluminum Cap Assembly
  • 250°F Thermal Relief (Over Temp) Locking
  • 12.00" Chain & 6.50" Bail (End of chain connection) W/ "DIESEL ONLY KEEP CLEAN"


4" Threaded Fuel Tank Necks Locking Fuel Cap

  • Price :  $ 56.00


  • Availability:
  • In Stock
  • Warranty:
  • 90 Days
  • Manufacturer:
  • Fuel Tank
     Accessories
  • Model #:
  • FTA-C-04

4" Threaded Fuel Tank Necks


Fuel locking caps that fit almost any type of vehicle or Fuel Tank, that has a 4" threaded fuel tank necks.


Features:

  • 4.0" Aluminum Cap Assembly
  • 190° F Thermal (Over Temp) & Pressure Relief (Over Pressure) Locking
  • 12.00" Chain & 8.35" Bail (End of chain connection) W/ "DIESEL ONLY KEEP CLEAN"

Peterbilt (Imported) Locking Fuel Cap

  • Price :  $ 99.95


  • Availability:
  • In Stock
  • Warranty:
  • 90 Days
  • Manufacturer:
  • Fuel Tank
     Accessories
  • Model #:
  • FTA-C-67-P

Peterbilt (Imported)


Peterbilt(Imported) locking fuel cap that made of heavy duty aluminum.

It features pressure relief.


Features:

  • 4.0" Aluminum Cap Assembly
  • Pressure Relief (Over Pressure)
  • 8.00" Chain & 6.50' Bail W/O "DIESEL FUEL ONLY" (no lettering on cap)