177.4021 Automann External Seat Drain Valve 1/4in NPT

177.4021 Automann External Seat Drain Valve 1/4in NPT 177.4021 Automann External Seat Drain Valve 1/4in NPT External Seat Drain Valve, 1/4in Pipe Same as; Sloan SDC6044 Tectran 1084 Velvac 036019 This valve, made by Automann is a great cost effective replacement for the original. All Automann valves carry a 1 year warranty against manufacturer defects. Any reference to OEM names or OEM product identification numbers/descriptions/model numbers is for identification only and does not indicate that it is an OEM part. Share this… Email Facebook Pinterest Twitter Linkedin Print SKU: AU-177.4021 Categories: Air Supply, Drain Valves, Heavy Truck