Welcome to our store! 1. Fitment: Manufactured according to original standard specifications, perfect replacement for Marine 89-818997A1 89-818997A2 89-818997t1 89-818998a1 89-818998a2 89-7a185,89-7a185. 2. OEM: The OEM numbers for our electromagnetic relay are 89-850187A1, 89-850187T1, 89-818998A1 for reference. Please double check the part number of your item before purchasing. 3. Practical Function: The starter relay provides high starting power and reduces the load on the starter key, it acts as a transistor, but uses electromagnetic solenoids instead of semiconductors to perform switching. 4. More Durability: The starter relay's magnetic switch is made of solid ABS and metal, so its outer shell is both sturdy and anti-rust, which can provide long-lasting use. 5. Convenient Installation: Manufactured to accurately meet all specifications, the size of the base or interface of the relay is precisely matched and can be installed directly without any adjustment. Item Type: Electromagnetic Relay Material: Metal + ABS Working Voltage: 12V Terminal: 4 terminals OEM:89-850187A1, 89-850187T1, 89-818998A1 Accessories: Replacement for Marine (various outboard motors) Replacement for 25-40hp (various outboard motors) 1 x Electromagnetic Relay If you receive your product and find any product problems, such as damage or a wrong item, such as damage, such as damage, such as a wrong item, such as damage, such as damage, such as damage, such as damage, such as damage, such as damage, such as damage, such as damage, such as damage, such as damage or a misinterpretation. We will do our best to provide you with satisfactory after-sales service.