Features 1.OE Number: The referencing OE number of this round zinc anode are 55321 87J01, 55321 87J00, which is molded and designed depend on the original data. 2.Fitment: The zinc anode block is a replacement for Suzuki Outboard Motor 4T, for 30HP DF 30ATL2 Beginning VIN, for 30HP DF 30ATHLW2, for 50HP DF 50ATL2 Beginning. 3.Durable Material: All zinc precision manufacturing, with oxidation, corrosion resistance, seawater environment resistance and other characteristics, durable in both salt water. 4.Enhance Engine Performance: Inspect the anode regularly for optimal protection and replace it when signs of corrosion or pitting are found to protect your engine from costly damage. 5.Ideal Replacement: Direct replacement installation, meets or exceeds OEM standards for the replacement of old and damaged one on original vehicles. Specification Item Type:Round Zinc AnodeOENumber:5532187J01,5532187J00 Package List 5 x RoundZincAnode Note Please double check the part number of your item, matching information is for reference only.Installation by a professional mechanic is highly recommended