Sierra’s 18-0518 Valve Stem Seal is designed for use with most inline 4 and 6 cylinder GM engines and 305-350 CID GM engines. It is interchangeable with Mercruiser Stern Drive 26-34217, FI1100152, OMC Stern Drive 3853132, 3854956, 914323, Volvo Penta 3853132, 3854956, 914323. Each Sierra product meets or exceeds the original equipment part it replaces.
O.D.: 0.394″
Shaft Size: 0.282″
Width: 0.083″
Interchangeable with Mercruiser Stern Drive 26-34217, FI1100152, OMC Stern Drive 3853132, 3854956, 914323, Volvo Penta 3853132, 3854956, 914323
Each Sierra product meets or exceeds the original equipment part it replaces
