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HOW IT WORKS

MORE THAN JUST A SHINY NEW FUEL CAP

The Leak Defender® is a 2-piece fuel neck replacement system consisting of a collar and cap.

The collar creates a completely NEW sealing surface and replaces your old, worn fuel neck. And, yes, this will attach to a fuel neck where the threads are completely worn/stripped and fuel caps no longer seal. In fact, this is why we invented the product!

REPLACES YOUR FUEL NECK

The collar has an o-ring underneath which seals to your existing fuel neck when tightened with a strap wrench and is securely fastened with set screws. It is sealed along the outer perimeter, away from the inner perimeter which is prone to wear and tear from everyday fueling.

CONSTRUCTED FROM BILLET ALUMINUM

It’s machined from billet aluminum allowing it to be made with a high degree of precision & with the strength to withstand everyday wear & tear.

AVAILABLE FOR

Kenworth Fuel Caps
Peterbilt Fuel Caps
Freightliner Fuel Caps

5 STAR REVIEWS

Leak Defender - 5 Star Reviews