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Water pump kit for Yanmar 2GMF 3GMF 124223-42092 128296-42070 for 121575-42000
Water pump kit for Yanmar 2GMF 3GMF 124223-42092 128296-42070 for 121575-42000 Water pump kit for Yanmar 2GMF 3GMF 124223-42092 128296-42070 for 121575-42000 Water pump kit for Yanmar 2GMF 3GMF 124223-42092 128296-42070 for 121575-42000

Water pump kit for Yanmar 2GMF 3GMF 124223-42092 128296-42070 for 121575-42000

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High-quality marine engine spare parts. 

PoseidonMarine® Water pump repair kit for Yanmar: 

  • 2GMF , 3GMF , 3GMDF , 1980-83
  • 2GM20F , 3GM30F , 1983-2005 freshwater cooled (antifreeze) models made in Japan.
  • 3HM , 3HMF , 1980-83
  • 3HM35 , 3HM35F , 1983-1992

For pumps with 70mm (2 3/4") water pump cover

Will not fit 1997 and later European made. (E prefix before serial number on the European models)

Will not fit raw water cooled engines (engines without radiator/heat exchanger)


Available both Major (With Impeller) and minor (Without Impeller)

Known pumps: 121575-42000, 721575-42700, 721575-42701, 721575-42702

This repair kit consists of the following parts:

  • Impeller kit: 124223-42092 128296-42070 (ONLY MAJOR)
  • Gasket: 124223-42110
  • Bearings: 24107-062024
  • Seal S.S. spring: 124223-42080
  • Snapring, bearing retainer: 22252-000350
  • Snapring shaft S.S.: 22242-000150
  • Bolts S.S.: 26554-040082

Buy this kit if:

  1. Your impeller dimensions (Dshaft X Dexternal X Height) are (12.75 X 50.80 X 22.10)mm
  2. Your pump cover measures exactly 70mm (2 3/4"). Otherwise not correct part for you.
  3. The impeller secures onto the shaft with a keystone.
  4. Your engine is equipped with heat exchanger (radiator)

Disclaimer: Quality is synonymous with PoseidonMarine, and we are committed to ensuring that the bearings included in this kit are far from substandard imitations. We exclusively utilize high-quality bearings recognized by the World Bearing Association (WBA), such as KOYO, SKF, NACHI, NTN etc. This meticulous selection demonstrates our respect for your valuable time, which you will dedicate to repairing this pump. By choosing our products, you can rest assured that your investment will yield long-lasting results, minimizing the need for frequent repairs.

The references that are listed here are trademarks that apply to the respective trademark owners. The references are used only for a reference purpose. Our product is compatible with these reference numbers. Please note that our product is an aftermarket product (non-OEM), unless otherwise stated.