Velvac Locking 4″ Fuel Cap Diesel Truck Aluminum Female Vented
Vented caps designed with both pressure and thermal relief features.
Non-vented caps feature fusible meltouts for thermal relief.
Safety chain and crossbar on cap.
Patented Loc-Gard locking caps protects against moisture and contaminants.
Vented caps meet 49 CFR 393.67 requirements for vehicles built after October 1985
Velvac Part # — 600181-6
Type Female — Vented
Thread Size — 4″
Treads Per Inch — 8
Across Threads Cap – 4 3/8″
Across Threads Filler Neck – 4 7/16″
Finish — Aluminum