Sierra 18-1162 Tapered Roller BearingSierra tapered roller bearing for Mercruiser Stern Drives, Mercury Marine and Mercury Sport Jet engines.Interchangeable with: GLM; 21630; Mallory; 9-75108; Mercruiser Stern Drive; 31-38356A1; 31-F84901; FA84901; 31-F84903; Mercury Marine; 31-38356A1; Mercury Sport Jet; 31-38356A1;