Yanmar impeller pump wear plate with part number 119171-42540. This plate is used inside the seawater / impeller pump and gives the impeller a smooth surface to run against.
Suitable for Yanmar engines including: 4LH TE, 4LH HTE, 4LH DTE, 4LH STE, 4LHA HTE and 4LHA HTP.
This wear plate is part of the raw water cooling system. It is often checked or replaced when servicing the impeller pump, especially if the surface is scratched, worn or corroded.
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