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Champion Brass · Air System
320-D
In stock · ships from Knoxville
This is a 1/8-inch male NPT brass drain cock with an external seat.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 3 applications
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All confirmed applications for this part number.
Freightliner
Other applications
Freightliner
Other applications
Fits any drain port with 1/8" NPT female threads. Not specific to a single make or model.
Part data verified against 3 catalog sources
Numbers this part supersedes or interchanges with. Showing 3 of 3.
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It is designed to drain moisture and contaminants from air tanks, fuel/water separators, or radiators on heavy-duty trucks and trailers. Over time, these valves can seize, leak, or become clogged, so they are commonly replaced during preventive maintenance or when moisture is found in the air system.
Part Number: 320-D
DRAIN COCKS
Unit: ea
Dealer: Knox Trailers
Compatibility, alternatives, and more
Parts commonly needed alongside air system
