Locking Diesel Fuel Cap, Kenworth FTA-C-50
Cap Assy Alum 3.5-5.5 NS Full Function Vented Locking 190°F Thermal W/ Pressure Relief 8.0 Chain & 6.50 Bail W/ "DIESEL ONLY KEEP CLEAN & VENTED CAP"
(may be used W/ vented or non vented tank)
Vented Cap, 3.5"- 5.5NS Threads. Measures 3.337" Across Threads.
Designed for use only on vehicles with vented or non-vented fuel systems.
Safety chain and crossbar included.
Use the key to unlock the cap (the key won't come out when it is unlocked) then screw the cap onto the filler neck and turn the key to lock it. When you turn the key the cam will hit the side wall of the fill neck and bite in. It is very important not to over tighten the cap... Do not over tighten the cap when you screw it on.
