Replacement oil seal for the impeller pump, also known as the raw water pump or seawater pump, fitted to various Yanmar marine diesel engines. This seal is installed on the oil side of the impeller pump and helps prevent engine oil from leaking along the pump shaft. Suitable for the Following Yanmar Engines Yanmar YS series: YSB8 YSB12 YSE8 YSE12 YSM8 YSM12 Yanmar GM series: 2GM 2GM20 3GM 3GM30 Important Compatibility Information Not suitable for European-built EU variants or freshwater-cooled/dual-circuit cooling versions. These engines use different impeller-pump seals. Always check the part number, pump version and exact engine model before ordering.
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