Avoid stolen, contaminated, or tampered with diesel exhaust fuild using our state of the art locking DEF caps. Due to the fact that trucks without DEF are no longer emmissions compliant, your fleet cannot afford to have DEF stolen from your trucks. Secure yourself today by contacting us so a specialist can asses your needs and find a solution that is perfect for you.
Two year warranty
OEM replacement DEF cap
Includes tether retainer strap
These caps will not corrode when in contact with Diesel Exhaust Fluid
CLASS 6 & 8 trucks...except Volvo & Mack trucks
FORD truck models: F650, F750