Sierra 18-2833-9 MerCruiser Exhaust Elbow Gasket (Priced Per Pkg Of 2)These exhaust elbow gaskets are designed for use with MerCruiser engines.Application InfoFits MerCrusier V8 Ford enginesFits MerCruiser MCM 120 (1993-Present), 140/3.0L, 470, 165 in-line 6cyl, and GM V8 small block engines from 1982 and older.Interchange: MerCruiser; 27-52076; 27-99777; 27-997771; 27-997772; 27-99777B2; Barr; MC472799777; GLM; 31520; Mallory; 9-61407; Osco; 52076;