Features: 1.Part Number: According to the original factory specifications, replacing part number is 664?45371?01?00, 82795M, 82795T. 2.Applicable Model: Outboard trim tab anode block, replacement for 20?50 HP, replacement for 20?30 HP. Direct replacement and installation. 3.Main Function: Helps protect the gear case housing from erosion, as it provides hydrodynamic trim force to your outboard and stern drive to aid steering. 4.Sophisticated Production: Produced to meet original equipment manufacturer specifications to best protect your outboard. 5.Good Replacement: Inspect anodes periodically for best protection and replace when seeing signs of pitting to help keep your maintenance costs down. Specification: Item Type: Anode Block_x000D_ Material: Zinc alloy_x000D_ Replaces: 664-45371-01-00, 82795M, 82795T_x000D_ Manufacturer PN: 664-45371-01_x000D_ Fitment:_x000D_ Replacement for 20-50 HP_x000D_ Replacement for 20-30 HP PackageList: 1 x_x000D_ _x000D_ Anode Block Note: 1. Please double check the part number of your item, matching information is for reference only._x000D_ 2. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!