The intake valve seat with code H 27155 is an essential part of the cylinder head assembly in the ASL25 engine. It forms the sealing surface for the intake valve, ensuring airtight closure and efficient air intake into the combustion chamber. Manufactured from heat- and wear-resistant materials, this component withstands high temperatures and repeated impact, maintaining its shape and functionality over time. A properly fitted valve seat is crucial for preserving engine compression, improving fuel efficiency, and supporting smooth combustion cycles.