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321P2

1/8 DRAIN COCK

A 1/8 inch NPT brass drain cock used to manually drain moisture and oil from air tanks, air dryers, or other compressed air system components on heavy-duty trucks and trailers. It threads into a 1/8" NPT port and is opened by turning the handle to release accumulated liquid, preventing corrosion and freezing in the air system. Replace if the valve leaks, seizes, or the handle breaks.