Customer ratings

Seawater Pump / Impeller Pump for Yanmar 2GM / 3GM / 3HM / 3YM20

Made in Italy

-13%

(25)

Seawater Pump / Impeller Pump for Yanmar 2GM / 3GM / 3HM / 3YM20

€294.29

only €254.95

4.4 (out of 25 ratings)

5 Stars

(17)

4 Stars

(3)

3 Stars

(2)

2 Stars

(3)

1 Stars

(0)

Advantages
Weight (3)
Material (3)
Price/performance ratio (5)
Quality (3)
Lifespan (1)
Mounting/Installation (4)
Compatibility (4)

Disadvantages
Material (1)
Quality (1)
Lifespan (1)

by LIONEL M.

9/2/2025 Verified purchase

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easy to install pump, fulfills its function well for the moment

Advantages
Weight
Material
Price/performance ratio
Quality
Mounting/Installation
Compatibility

by Sylvain R.

8/20/2025 Verified purchase

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Original part easily replaced.

Advantages
Price/performance ratio
Mounting/Installation
Compatibility

by Reiner V.

7/26/2025 Verified purchase in use on a Compromis - 990

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The cooling water pump was delivered quickly and fit perfectly.
Our question about compatibility with the Yanmar engine was answered correctly and quickly beforehand.

Advantages
Material
Price/performance ratio
Quality
Mounting/Installation
Compatibility

by Autoservice J.

5/21/2025 Verified purchase

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Good alternative

Good alternative to OM

Advantages
Weight
Material
Price/performance ratio
Quality
Mounting/Installation
Compatibility
Lifespan

by Martin H.

4/7/2024 Verified purchase in use on a Jeanneau - Attalia 32

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Great!

Inquiries about installation were answered by telephone by a friendly, knowledgeable SVB employee.
The quality and performance of the water pump are very good and suitable for Yanmar 2GM

by BERTRAND P.

3/19/2024 Verified purchase in use on a Dehler Deutschland GmbH - Dehler 34 (1999 - 2024)

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Compliant pump

This pump was fitted to my Yanmar 3GM30 and is completely satisfactory. Its price at SVB is much lower than that charged by Yanmar. I am very satisfied.

by claudio B.

12/15/2023 Verified purchase

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All nickel

by Alex B.

10/10/2023 Verified purchase

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Sea water pump for Yanmar 2GM

The pump was easy to assemble and has worked flawlessly so far. The pump makes a solid impression.

by Matthias P.

8/30/2023 Verified purchase

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Top

Everything as described and works perfectly

by Christian N.

7/12/2023 Verified purchase

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YANMAR 2GM water pump

Meets expectations.

by Frank M.

9/5/2022 Verified purchase

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Reliable delivery to Marina

The delivery was made promptly to a marina on the way, the SVB crew intervened on its own initiative due to the delayed delivery from DHL - thank you very much for that! The pump fits and does what it is supposed to do - I am very satisfied with the product and the configuration.

by Günter L.

5/13/2021 Verified purchase

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seewasserpumpe

alles bestens

by Próximo Quadrante U.

2/2/2021 Verified purchase

Perfect to have as a spare

easy to assemble, works perfectly. Always buy more than one, good to have as a spare.

by François P.

2/25/2020 Verified purchase

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very precisely replaces a pump

very precisely replaces an original yanmar pump for 4 x cheaper! The dimensions with the shim washers are perfect. The pump is aligned with the motor pulley. The impeller is in the kit. The pulley is not included in the kit. Perfect

by Andreas B.

8/26/2019 Verified purchase

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Fits like original

by Sylvain L.

9/20/2017

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Yanmar 3HM ?

Can this pump replace the pump of a Yanmar 3HM (121575-42000)? Can this pump replace the Yanmar 3HM one (121575-42000)?

by Holger B.

4/10/2017

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Great alternative!

I installed the pump on my 2GM20, after Yanmar wanted to have 800.00 € for the original. The pump fits great when mounted in contrast to the original from the other side of the holder. You also need 2 hose nozzles on 13mm and I have two 45 ia angle mounted. The pump seems to be very well made, works great and the stainless steel lid promises a long life.

by Jürgen O.

6/18/2020 Verified purchase

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Seawater pump for Yanmar

The product definitely fits. Only the connection kinks have to be converted from the old pump. However, I have not yet installed the pump. I use it as a carried spare part because the impeller can no longer be changed when the pump is installed.

by Hilmar T.

7/10/2019 Verified purchase

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Best Service

Oh- had bad luck- after a few hours the camp was over- but hey- SVB helped unbureaucratically- sent me a new part- so that I could continue with a short break. Thank you SVB team

by GIOVANNI T.

1/24/2019 Verified purchase

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Good alternative for the original Johnson pump mounted

by CHANTIER N.

5/14/2025 Verified purchase

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It remains adaptable with the resulting lifespan, servicing to be planned more often and if you go through a professional without telling him that it is an adaptable pump he will waste a lot of time identifying it and finding the corresponding parts (different from the original)

Advantages
Weight
Price/performance ratio

Disadvantages
Material
Quality
Lifespan

by Heinz D.

7/1/2022 Verified purchase

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Not long lasting in the North Sea area

I have now installed 2 of these pumps. They were of the earlier type ST112, which is identical in construction except for the mount of the belt pulley. In particular, the sealing ring in the pump is the same and does not last long in the tidal area. After about 2.5 years the pumps started to leak. The Johnson pump installed by Yanmar lasted 7 years. With manual skills, you can perhaps replace the sealing ring (available from SVB) every 2 years as a precaution, thus avoiding the bearings seizing up. The life of the pump would then be limited by wear and tear on the pump housing due to running-in.

by Frank S.

5/28/2024 Verified purchase in use on a Dehler Yachtbau GmbH - Dehler 31

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Unfortunately not a good service life

This pump costs only a third of the original Yanmar pump, but unfortunately it only lasts a quarter of the time. I used two of them in 6 years. After 3 years, the shaft of both pumps was so worn and the housing so full of grooves that it was no longer worth repairing. So the pump does not seem to be suitable for tidal waters with a high sediment content. What a pity!

by Eric L.

2/27/2017 Verified purchase

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Not at all adapted to 2GM20 !!! Fittings of different diameter not found, pulley not aligned, short 219 euros wasted.

by jean loup C.

11/28/2016 Verified purchase

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the picture does not correspond to the product miss the two fittings in 38

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