Feature 1 Compatible Models: Fits for SD 130S, 130 SB, 130SRA, 130SRB, 150S, 150 SB, 150SRA, 150SRB, replaces part numbers 3888305, 3888306, 3586963, 22651246. 2 Superior Protection: Saildrive ring anode is designed to offer superior protection. It prevents your expensive saildrive from the damaging effects, thereby extending its lifespan and ensuring a smooth boating experience. 3 High Strength Material: Constructed from high hardness material, this saildrive anode exhibits excellent electrochemical properties. Its performance in saltwater is exemplary, long lasting durability. 4 Regular Inspection Recommended: Check anodes regularly for optimal protection, and replace when pitting is detected, to protect your engine from costly damage. 5 Original Standard Design: Manufactured according to original specifications, meets or exceeds OEM standards, ensuring appearance and function match original equipment.Item Type: Saildrive AnodeOE: 3888305, 3888306, 3586963, 22651246Installation: Replacement of original parts for direct replacement installationApplication: Fit for SD 130-S, 130- SB, 130-SRA, 130-SRB, 150-S, 150- SB, 150-SRA, 150-SRB Package List1 x Saildrive AnodeNoteBefore purchasing, please check the original part number and ensure compatibility; it is recommended to seek assistance from professional engineers for installation to ensure the best shopping experience.