
My purge valve was leaking. This was for Kenworth 98 t800. Air dryer Ad9. Not the original Bendix. This is a so-called soft seat flush valve. The hard seat is what you need to assemble. Make sure your dryer doesn't have a hard seat. It fits perfectly. I opened mine first and made sure it had a soft fit and fit. It also had a 12V glow plug.

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