Sierra 18-0897 Mercruiser Exhaust Elbow GasketSierra engine parts are designed to meet OEM specifications. The 18-0897 Exhaust Elbow Gasket is a standard cooling, restrictor gasket. Fits 1981-1997 GM V-6 & V-8 engines with center rise outlet exhaust manifold.; Interchangeable with: Barr; MC47-27-41813; MC 20 99208; GLM; 30240; Mallory; 9-61413; Mercruiser Stern Drive; 27-41813; 27-860233; 27-863724; Osco; 8503-GR;