OEM: Mercruiser: 33-807C, 33-807S, 33-811S, 33-8244068, 33-896323, 33-896325, 33-896329807, 33-8M0114739, 33-8M0114741, 33-8M0157387, 33-8M0181926, 807C, 811, 82371M, 883, 896325, 896329807, FL78C, FS690227; OMC: 0002755, 0009557, 0009558, 0432921, 0502893, 0509568, 0765859, 0765943; NGK Spark Plugs: 2129, 5110, B7HS, B7HS-10, BR7HS-10, BR8HS; Suzuki: 09482-00375-NAC; Yamaha: 94700-00040-XX, 94700-00041-00, 94701-00040-00, 94701-00041-00, 94701-00041-20, 94701-00048-00, 94701-00195-00, 94702-00041-00, B7H-S0000-00-00, B7H-S1000-00-00, BR7-HS100-00-00, CMP-L7800-00-00, CMP-L78C0-00-00, NGK-B7HS0-00-00, NGK-B8HS0-00-00, NGK-BR7HS-10-00; Honda: 98076-57740; Champion Spark Plugs: 807M, L78C, L82C, QL78C