1、OE Number: The referencing OE number of this water pump repair kit are 61A W0078 A3 00, 61A W0078 A2 00, 61A W0078 A4 00. 2、Fitment: The water pump impeller kit is applicable for 150HP‑150A 175HP‑175D 200HP‑200A 2 Stroke Outboards, for 150HP‑F150A 175HP‑F175A 4 Stroke Outboards. 3、Main Function: Designed for durability to provide higher flow rates and cooling flow to protect your engine, makes repair and maintenance of water pumps easy. 4、High Performance: Restore the function of the pump, providing higher flow and cooling flow to the pump, protecting the normal operation of the engine. 5、Ideal Replacement: Direct replacement installation, meets or exceeds OEM standards for the replacement of old and damaged one on original vehicles.