Designed for the suction side of the pump, our 10 micron filtration protects from water, dirt and other contaminants. High grade aluminum filter head withstands the harshest marine environments. Quick drain release valve and reusable plastic bowl allow for easy visual inspection and removal of water build-up. 11/16"-16 thread size. 50052119 replaces Mercury 35-809097 / Racor S3213 / Yamaha MAR-24563-00-00 Includes Mercury filter For outboard use only Gasoline use only