Description

Sierra’s 18-3944 Piston Rings feature a standard bore size. They are designed for use with Mercruiser, Volvo, and OMC engines. They are interchangeable with OMC Inboard 370409, OMC Stern Drive 370409, Volvo Penta 370409, and Mercruiser Stern Drive 39-75609 and FI1101057. Each Sierra product meets or exceeds the original equipment part it replaces. Fit specific, check part numbers to ensure proper fit.
Designed for use with Mercruiser, Volvo, and OMC engines
Standard bore size
Interchangeable with OMC Inboard 370409, OMC Stern Drive 370409, Volvo Penta 370409, and Mercruiser Stern Drive 39-75609 and FI1101057
Each Sierra product meets or exceeds the original equipment part it replaces
Fit specific, check part numbers to ensure proper fit