Sierra's 18-7116 O-Ring is designed for use with Chrysler/Force, Johnson/Evinrude, OMC, Mercruiser, Mercury, and Volvo outboards and stern drives. It features a 0.360" I.D. and a 0.100" width. Includes one o-ring per package. It is interchangeable with Mallory 9-43631; GLM 81100; Johnson/Evinrude Outboard 303067; Volvo Penta 3852045; Chrysler/Force/US Marine 25-62704 and 25-F24342; Mercruiser Stern Drive 25-62704 and 802206; OMC Stern Drive 303067 and 3852045; and Mercury Marine 25-20633, 25-22174, 25-62704, 25-85148, and 802206. Each Sierra product meets or exceeds the original equipment part it replaces.