Product specifications

Anti-Siphon Tubes
Protect your fuel with Velvac's
Anti-Siphon Tube
• Makes siphoning fuel impossible-
patented aluminum extrusion in
the tube
• Durable design- made from 6061
aircraft aluminum tubing with a
0.065" wall thickness
• Vented for fueling- fuel 20+ gallons
per minute
• OEM approved design- fits almost
every filler neck
Dimension Diameter
Part No. Filler Neck Fits Application
600241
EASY TO INSTALL
600242
600243
600244
600245
600246 3-3/4 inches
2-1/2 inches
Fits Medium-Duty and Reefer trucks
2-1/2 inches
2-1/4 inches
1.87 inches
3-3/4 inches
2-3/4 inches
ANTI-SIPHON TUBES
2-3/4 inches
2-1/4 inches
3 inches
2 inches
Fits Heavy Duty Volvo, International and Mack Trucks
Fits Heavy Duty Volvo, International and Mack Trucks
Fits Heavy Duty Kenworth
Fits Heavy Duty Freightliner
Fits Medium-Duty Trucks
"B"
3-3/4 inches
EASY TO INSTALL
1 Measure the inside diameter of 3 Review the available anti-siphon 4 Select an anti-siphon tube with
fuel tank filler neck. tubes and their dimensions.
Dimension B greater than
2
Measure the length (Dimension "A") (Dimension "B") from the Dimension A to insure that
of the fuel tank filler neck using a underside of the top lip to the tip when installed the barbs will
tape measure inside the neck. of the last barb. catch on the bottom of the filler
neck and prevent removal of the
anti-siphon tube.
5 Insert properly sized anti-siphon
tube into filler neck and press into
place. If you pull back on the
anti-siphon tube after installed
and it can be easily removed, it is
not sized properly. It is
recommended that you re-check
the above noted dimensions.
NOTE: CAN NOT BE REMOVED
ONCE INSTALLED
www.velvac.com 800-783-8871
132
Fuel Tank
Filler Neck
Anti-
Siphon
Tube
FUEL