Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number GM171476Y4 found under Guide Valve Stem by General Manufacturing Llc. The National Stock Number assigned to this part is 2810003266686, and the Federal Supply Class is 2810 Gasoline Reciprocating Engines Aircraft Prime Mover And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like GM171476Y4.