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Aluminum Non-Locking
Diesel Fuel Cap –
4.00″ Diameter

FC01015VNT

Additional information

Weight 1.0 lbs
Dimensions 4.0 × 4.0 × 2.0 in
Material

Diameter Nominal

4.00"
Male/Female

Threads Per Inch

Locking

Vented

Yes
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Description

Some fuel tanks vent through the cap instead of a separate equalizer line, and putting a non-vented cap on one of those systems causes real problems — fuel flow slows or stalls as the tank struggles to equalize pressure. The FC01015VNT is built specifically to avoid that: a vented, 4.00-inch diameter cap with an 8 TPI female thread, sized for fuel systems that need the larger opening and the airflow a vented design provides.

The aluminum body adds corrosion resistance on top of that, holding up to years of outdoor service without rusting or seizing onto the tank neck. It’s non-locking, a straightforward option for fuel systems that need proper venting but don’t require a keyed closure.

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