150HP Power Trim Anode Assembly - 8M0057772

150HP Power Trim Anode Assembly - 8M0057772 This power trim anode is an important component for protecting the power trim unit of your Mercury outboard engine or MerCruiser inboard engine from corrosion. The power trim system helps raise and lower the engine for better performance and maneuverability. The anode is designed to prevent corrosion on these critical components by sacrificing itself to corrosion, thus protecting the metal parts from damage caused by exposure to saltwater and other harsh marine environments. Replacing anodes on a boat is crucial because they act as "sacrificial" metals, designed to corrode and dissolve instead of the other metal components on your boat, like the propeller and hull fittings, protecting them from galvanic corrosion which can cause significant damage if left unchecked. Fits:  150HP 3.0L EFI 4-Stroke (SN 1B905505 & Above) 150HP Pro XS 3.0L L4 4-Stroke (SN 2B550139 & Above)