Sierra International 18-1239 Oil Pan Gasket Sierra Oil Pan Gasket Meets or exceeds the original equipment quality Sierra part number: 18-1239 Interchangeable with the following: Mallory 9-61500, Mercruiser 27-810846T, 27-810846, OMC 914820, Volvo Penta 3853343 For: OMC 3.0L