Water pump kit for Yanmar 2GM/3GM -YEU 2YM 3YM X03431748 X03431760 128990-42200

  • €34,90
  • Save €10,00
Tax included. Shipping calculated at checkout.

High-quality marine engine spare parts. 

Water pump repair kit for Yanmar: 

  • 2GM20-YEU 2GM20C-YEU 2GM20F-YEU 2GM20FC-YEU*
  • 3GM30-YEU 30GM30C-YEU 3GM30F-YEU*
  • 3GM30FC-YEU*
  • 2YM15 3YM20 3YM30
For pumps with 75mm (2 15/16") water pump cover

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

You can also purchase impeller kit separately which you may find in our store with part number:


Known pumps: 128377-42500 128397-42500 128990-42500 128990-42510

Repair kit consists of:

  • Impeller kit RO: 128990-42200 (ONLY MAJOR)
  • O-ring cap X1 X02173476
  • O-ring shaft X1 X02173432
  • Bearing X1 X03431748
  • Bearing X1 X03431760
  • Seal X1 X02233010 (Stainless steel spring)
  • Bolts X6 (Stainless steel)
  • Bearing retaining ring X1 X00370012
  • Snapring, bearing retainer X1 X00371732

 Buy this kit if:

  1. Your impeller dimensions (Dshaft X Dexternal X Height) are (12.00 X 51.00 X 22.00)mm
  2. Your pump cover measures exactly 75mm (2 15/16"). Otherwise not correct part for you.
  3. The impeller secures with pin and the cap seals with o-ring, not gasket.

*Please ensure this the correct kit for your particular engine model. This kit is for the European built (YEU -Yanmar European Union) 2/3GM series engines built from 1996-2004. These engines have the letter "E" prefixing the engine serial number (example serial no. E00123, the letters YEU are not shown on the data plate). The water pump impeller has a drive screw through the boss and the pump cover plate is sealed with an o-ring.

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.