ITEM NAME:277181/434424 Outboard Motor Water Pump Impeller for Johnson 3HP- 7.5HP Description: Made of upgraded Rubber ,quality assure and durable. Old part and easy to install,direct replacement. Fits for Johnson / Evinrude/OMC/BRP Outboard Motor water pump impeller 277181/434424. Impellers engineered for over-performance,manufactured for extra-long service life. Easy installation. Specification: Applications-(for Evinrude Johnson 2-stroke outboard motors ): 3HP 1952-1978 4HP 1969-1972 4HP 1973-1983 (For water pumps using 1 water tube ,110 gearcase) 5HP 1965-1968 5.5HP 1954-1964 6HP 1952-1978 7.5HP 1954-1958 Package Includes: 1 Piece Outboard Water Pump Impeller Note: Please allow 0.5-1inch difference due to manual measurement.(1 inch=2.54cm) Color may be slightly different from the pictures because of different screen and light. Please kindly understand. Thank you!.3HP 1952-1978. 5HP 1965-1968. Fits for Johnson / Evinrude/OMC/BRP Outboard Motor water pump impeller 277181/434424. 1 Piece Outboard Water Pump Impeller. Applications-(for Evinrude Johnson 2-stroke outboard motors ).