FUEL TANK ACCESSORIES LLC 503.496.3911
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Anti-Siphons (Fuel Fill Neck Application)

Picture
PDF Printouts below.
Anti Siphons Identification / Descriptions
File Size: 1291 kb
File Type: pdf
Download File

Anti-Siphon Installation Instructions
File Size: 43 kb
File Type: pdf
Download File

Peterbilt Anti-Siphon Installation Instructions
File Size: 492 kb
File Type: pdf
Download File

Easy to install and Extremely Secure.
· Installs in seconds
· No tools needed
· Lifetime warranty
· Does not restrict fueling
· Use your existing non-locking cap
· Self-locking, no maintenance

All of our Anti-Siphons install easily in most HD & MD Freightliner, Kenworth, Western Star, Sterling, Volvo, Mack, International and Peterbilt diesel fuel tank necks, as well as many buses and foreign Class 7 Trucks such as Hino & Isuzu.  Anti Siphons are guaranteed for the life of the fuel tank they are  installed in.  They do not restrict fueling and there is no splash-back.  
Over 800,000 in use!
These patented snap-in Anti-Siphons are an inexpensive and effective solution to help prevent fuel theft.  Made in the U.S.A. from the finest quality materials, these Anti-Siphons are designed to foil the most determined fuel thief.
The S behind the part number signifies that the Anti Siphon has the additional protection of a heavy duty Strainer installed. 
3-7, 25-675, 25-95, 225-7 4-9 & P-67 are for Heavy-Duty Truck Diesel Fuel Tank Applications.
187-75, 2-7, 2-7K are for Medium-Duty Truck Fuel Tank Applications. 
Measurements are from the Inside Diameter (ID) of the fuel tank neck. Freightliner Class 8 are 2 1/4” ID.  Volvo, Mack, and International are either 2.5" or 3"ID.   Sterling are 2 1/4” or 3”ID.  Kenworth are normally  2 1/2”. A measurement of the ID of the fuel tank neck is always advised.     Medium Duty Class 7 International are usually 1 7/8" ID, Kenworth and Freightliner (M2) are 2"ID.  Reefer tanks are 1 7/8"ID. Anti-Siphons will install in male threaded fuel necks at least 3” long.  25-95, 187-75, 2-7 and 2-7K must be used with non-locking female threaded caps. If there is a weld bead on the inside of a fuel tank neck, or it is a very tight fit do not try to install an Anti Siphon.  For extra protection the 3-7, 25-675, 225-7 and 4-9 can be used with Locking Caps as well as Non-Locking Caps .

 
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  • Home
  • CONTACT
  • DIESEL FUEL CAPS
  • Products
    • Beacon Light Brackets
    • Yukon Strong Box
    • Fuel Tank End Caps
    • Fuel Tank Components >
      • Fill Necks w & w/o Adapters / Pockets
      • Weld Flanges / Bungs
      • Top Draw Tubes & Stand Pipes
      • Drum Bung Locks
    • Fuel Tank Accessories >
      • Anti-Siphons
      • Rollover Vents
      • Fuel Tank Strap Backing
      • Fuel Tank Straps
      • Drain Check Valves
    • Retail Packaging
    • FMCSA 393.67
  • Fittings
  • Ace Mfg.
  • CANADIAN CUSTOMERS
  • Trusted Associates