Mack - International - Volvo - Western Star - Diesel Defender Anti Siphon

Ships FREE in the continental United States Freight Defense's Diesel Defender is designed as a one-piece unit with 4mm thick aluminum side walls which allows for hands-free filling with no splashback!  It was tested on high flow pumps filling up to...

Volvo, Mack & International 3" Anti-Siphon Device

Ships FREE in the continental United States Volvo, Mack & International 3" Anti-Siphon Device This Anti‐Siphon installs easily in most heavy duty and medium duty Volvo, Mack and International diesel 3" fuel tank necks. These patented snap‐in...

Anti-Siphon - Reefer & Medium Duty International - 1.875" Fill Neck

Ships FREE in the continental United States This Anti‐Siphon installs easily in most reefer and medium duty International diesel 1.875" fuel tank necks. These patented snap‐in Anti‐Siphons are an inexpensive and effective solution to help prevent fuel...

Anti-Siphon - Freightliner - 2" Fill Neck

Ships FREE in the continental United States This Anti‐Siphon installs easily in most heavy duty and medium duty Freightliner diesel 2" fuel tank necks. These patented snap‐in Anti‐Siphons are an inexpensive and effective solution to help prevent fuel...

Anti-Siphon - Freightliner - 2.25" Fill Neck

Ships FREE in the continental United States This Anti‐Siphon installs easily in most heavy duty and medium duty Freightliner diesel 2.25" fuel tank necks. These patented snap‐in Anti‐Siphons are an inexpensive and effective solution to help prevent fuel...

Anti-Siphon - Kenworth - 2" Fill Neck

Ships FREE in the continental United States This Anti‐Siphon installs easily in most heavy duty and medium duty Kenworth diesel 2" fuel tank necks. These patented snap‐in Anti‐Siphons are an inexpensive and effective solution to help prevent fuel theft. ...

Anti-Siphon - Kenworth - 2.5" Fill Neck

Ships FREE in the continental United Statess This Anti‐Siphon installs easily in most heavy duty and medium duty Kenworth diesel 2.5" fuel tank necks. These patented snap‐in Anti‐Siphons are an inexpensive and effective solution to help prevent fuel...

Anti-Siphon - Volvo, Mack, International - 2.5" Fill Neck

Ships FREE in the continental United States This Anti‐Siphon installs easily in most heavy duty and medium duty Volvo, Mack and International diesel 2.5" fuel tank necks. These patented snap‐in Anti‐Siphons are an inexpensive and effective solution to...