Fuel Anti-Siphon device for International, Mack and Volvo (pre-2002)

Fuel theft is a legitimate concern.  Truck manufacturers have a tendency to install flimsy anti-siphon devices that can be easily breached. With this anti-siphon device you can rest easily knowing your fuel isn't being stolen while you sleep or leave your truck unattended. The solid one piece construction prevents a thief from knocking a hole in the bottom of the anti-siphon device. The tamper ring makes it extremely difficult to remove this anti-siphon device. Easily installs in minutes, instructions and installation tools are all included This product only fits fuel tanks with a 3" wide filler neck, please verify your filler neck size before ordering.