This water pump kit is designed to fit Johnson, Evinrude, OMC, and Nissan outboard engines with HP ranging from 20 to 35. It is a great replacement part for your boat's cooling system, ensuring that your engine stays cool and runs smoothly. The kit includes all the necessary components for installation, making it easy to upgrade your boat's cooling system. Additionally, the kit is compatible with a wide range of outboard engines, making it a versatile and practical choice for any boat owner.