The protective tube identified by code H 40052 is a safeguarding element designed to shield critical ASL25 engine components from mechanical damage, contamination, or excessive wear. Acting as a durable barrier, it prevents dust, debris, or oil from interfering with the functionality of moving parts. Built from resilient materials capable of withstanding thermal and mechanical stress, this tube not only prolongs the service life of the engine but also ensures consistent performance under demanding operating conditions.