Description

Sierra’s 18-4022 Valve Stem Seal is designed for use with Mercruiser 330 (serial number 4623115 and later), 340 (serial number 5889914 and later), and 454 Mag (serial number A631894 and later). It is interchangeable with Mallory 9-61652, and Mercruiser Stern Drive 26-49131, 26-67863, 26-75982, 26-75988, F3866612, FI1100968, FI1101117. Each Sierra product meets or exceeds the original equipment part it replaces.
Designed for use with Mercruiser 330 (serial number 4623115 and later), 340 (serial number 5889914 and later), and 454 Mag (serial number A631894 and later)
Interchangeable with Mallory 9-61652, and Mercruiser Stern Drive 26-49131, 26-67863, 26-75982, 26-75988, F3866612, FI1100968, FI1101117
Includes one valve stem
Each Sierra product meets or exceeds the original equipment part it replaces