- GM Series
- 2GM20-YEU : 18 HP 1983 - 2005
- 128990-42570 Impeller Kit
128990-42570 Impeller Kit
Impeller & O-ring
- For the GM series engines with serial numbers beginning with an “E”.
- Find your exact engine model & serial number on the metal tag located on the engine block.
We stock all of the standard Yanmar repair parts. If you don’t see what you’re looking for, please inquire about special ordering what you need. Parts that have to be special ordered may be subject to a restricted return policy. All prices & part numbers are subject to change. We Ship UPS ground, overnight, and second day air for your convenience.