Sierra's 18-3069 Impeller is designed for use in Mercury/Mariner and Yamaha outboard engines. Use with Sierra's: 18-3425 Water Pump Kit without Housing, 18-3434 Water Pump Kit without Housing, 18-3464 Water Pump Kit, 18-3465 Water Pump Kit, 18-3415 Water Pump Kit with Housing, 18-3466 Water Pump Kit with Housing, 18-3494 Water Pump Repair Kit without Housing, 18-3428-1 Water Pump Kit without Housing, and 18-3461 Water Pump Kit with Housing. Includes one impeller per package. It is interchangeable with GLM 89910; Mallory 9-45602 and 9-45602-10; Mercury Marine 47-81423M, 47-82824M, and 47-97108M; and Yamaha Outboard 697-44352-00-00 and 6H3-44352-00-00. Each Sierra product meets or exceeds the original equipment part it replaces.