The 335-299-401-0 WE is a factory-new aircraft seal supplied with TRI-Release documentation for traceability. Manufactured to OEM form and fit, this seal is intended as a direct replacement in the equipment or assembly called out by the aircraft parts list. It provides a reliable, removable sealing element to prevent fluid or air leakage and to keep contaminants out of serviceable hou... https://gfa.aero/aviation-parts/expendables/335-299-401-0%20WE