1、Applicable Model: The sea water pump assembly is replacement for MerCruiser 454 7.4L 502 8.2L Engine. Please confirm whether it is consistent with the product you want before buying to avoid unnecessary return. 2、OE Number: The part numbers for reference are 46‑807151A8, 46‑807151A 8, 46‑72774A69. Please confirm whether it is consistent with the OE you need to avoid wrong buying and other problems. 3、Durable Construction: Made of high hardness steel alloy material, the raw sea water pump assembly is resistant to rust and wear, to ensure the overall high durability and stability. 4、Enhanced Performance: With its efficient design, the engine water pump assembly ensures optimal cooling performance for the engine. It effectively circulates sea water to prevent overheating and maintain the engine at the proper operating temperature. 5、Easy Installation: The water pump assembly is easy to install, making it convenient for boat owners and mechanics, convenient and effort saving.