Leak Defender® Anti-Siphon for Kenworths


Anti-Siphon Tube to Prevent Diesel Fuel Theft. It Can Only Be Used w/ the Leak Defender®, our 2-Piece Fuel Neck Adapter Which Creates a NEW Sealing Surface & Stops Leaking Fuel Cap Issues on Kenworth Trucks!

NOTE: If you have dual tanks, you will need to purchase 2.

Green_Checkmark Stop Diesel Fuel TheftGreen_Checkmark 100% Money Back Guarantee

Available on backorder

SKU: LEA-ANT-001 Categories: ,


This anti-siphon tube prevents diesel fuel theft on Kenworth trucks when used in conjunction with the Leak Defender®, our 2-piece fuel neck adapter, collar & cap, which creates a new sealing surface & stops leaking fuel cap issues on Kenworth trucks! It slides into your existing fuel neck and is secured beneath the Leak Defender® collar.

NOTE: If you have dual tanks, you will need to purchase 2.

2 Year Warranty100% Satisfaction Guarantee


Additional information

Weight0.6875 lbs
Dimensions7 x 4 x 7 in

Leak Defender® for Kenworths. Will not work with OEM or other aftermarket parts.


Leak Defender®


Billet Aluminum




There are no reviews yet.

Be the first to review “Leak Defender® Anti-Siphon for Kenworths”

10% OFF Your 1st Order. Coupon Code: new10%off Dismiss