BRASS HEX HEAD PLUG 3/4

This brass hex head plug seals a 3/4in NPT port. It's used to cap off unused ports in air, fuel, or hydraulic systems on heavy-duty trucks and trailers, and the hex head allows for easy installation and removal with a standard wrench.

United Truck Parts keeps this fitting in stock in Pennsylvania for fast shipping along the I-78 corridor, serving fleets, owner-operators, and repair shops nationwide. If you're unsure this is the exact fitting you need, reach out with your old part number or a photo and we'll help you match it — financing is available for bulk orders.