This Whale Gulper® 320 Replacement Pump Head is a replacement for one of the primary components of the popular Gulper 320 pump. This is a production component, so it will install and fit properly, and will deliver the same outstanding performance as the original components. Whale designs and manufactures reliable marine water systems which are easy to install and use; providing boating enthusiasts with water, waste management and durable bilge pumps. For over 70 years, Whale has delivered innovative, high quality products that ensure peace of mind and allow you to enjoy your adventures on the water.