Description
The FC1086 is machined from lightweight, corrosion-resistant aluminum, built to hold up under constant fueling cycles, road grime, and outdoor exposure without rusting or seizing onto the tank neck the way a steel cap eventually does. It’s sized to a 3.00-inch diameter with an 8 TPI female thread, a common spec across diesel fuel systems, so it installs as a direct-fit replacement without modifying the tank opening.
It’s a non-locking, non-vented cap, built for fuel systems on a separate equalizer line that don’t call for a keyed closure — a simple, dependable seal where corrosion resistance and an exact fit matter more than added hardware.
