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Image of Cover Seal for Seawater Pump / Impeller Pump ST123/143/147/323/347
Cover Seal for Seawater Pump / Impeller Pump ST123/143/147/323/347

Accessories

Image of Impeller / neoprene / 6 blades / type 2
-5%
Impeller / neoprene / 6 blades / type 2
only €18.95
Image of Shaft Seal for Seawater Pump ST 106/109/114/123/129/137/138/139/323/ PM 15/37
Shaft Seal for Seawater Pump ST 106/109/114/123/129/137/138/139/323/ PM 15/37
Image of Pump Cover for ST125, ST123, ST140, ST141, ST142, ST147, ST323 and ST347 Seawater Pump
Pump Cover for ST125, ST123, ST140, ST141, ST142, ST147, ST323 and ST347 Seawater Pump
only €21.95
Image of Wear Plate for ST147-323
-6%
Wear Plate for ST147-323
Image of Replacement Screw for Seawater Pump
Replacement Screw for Seawater Pump
Image of Impeller / neoprene / 6 blades / type 2
-5%
Impeller / neoprene / 6 blades / type 2
only €18.95
Image of Shaft Seal for Seawater Pump ST 106/109/114/123/129/137/138/139/323/ PM 15/37
Shaft Seal for Seawater Pump ST 106/109/114/123/129/137/138/139/323/ PM 15/37
Image of Pump Cover for ST125, ST123, ST140, ST141, ST142, ST147, ST323 and ST347 Seawater Pump
Pump Cover for ST125, ST123, ST140, ST141, ST142, ST147, ST323 and ST347 Seawater Pump
only €21.95
Image of Wear Plate for ST147-323
-6%
Wear Plate for ST147-323
Image of Replacement Screw for Seawater Pump
Replacement Screw for Seawater Pump

Product details

The life of a seawater pump is limited, even if maintenance activities such as replacement of sealing and impeller are performed regularly. The reason for this is corrosion, which is caused by the constant condensation of the pump even if the engine is at a standstill, as well as material removal due to erosions as a result of the high flow speed of the seawater inside the pump housing. NOTE: OEM quality.
Often small but steadily increasing leakages, usually at the bottom of the housing, are signs of a pump's demise. At that point, you should think about a replacement.
In order to assist skilled skippers in carrying out their own repairs without causing a total financial loss, we are now offering seawater pumps for the most common types of engines on the market.

Suitable for:
Volvo Penta
  • D1-30
  • D2-40

Our seawater pumps are "OEM quality" approved and meet the requirements of engine manufacturers.

Documents

multi-flag Drawing
PDF (57,03 KB)

Spare parts

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What other SVB customers have to say

100% real reviews

8 customer reviews

3.4 (out of 8 ratings)
1 Stars
(0)
  • Advantages
  • Mounting/Installation (1)
  • Weight (1)
  • Material (1)
  • Price/performance ratio (1)
  • Compatibility (1)
  • Disadvantages
  • Mounting/Installation (1)
  • Lifespan (2)
  • Quality (1)
Jörg W.
by Jörg W. Flag of Germany 9/22/2025 Verified purchase Variant: 57134 in use on a Nautitech Rochefort - Open 40
Hose connection too short
Unfortunately, the hose connectors are so short that you can only properly attach one clamp, and the second one only fits halfway. This is a disaster for a safety-critical part that sits below the water surface.

The sealing surfaces also still have a molded seam from the manufacturing process, which needs to be removed first.

The price is reasonable, but unfortunately, it has safety issues. I wouldn't buy it again.
  • Advantages
  • Weight
  • Material
  • Price/performance ratio
  • Compatibility
  • Disadvantages
  • Mounting/Installation
Holger E.
by Holger E. Flag of Germany 8/5/2025 Verified purchase Variant: 57134
Shaft leaking after 2 years
I didn't expect that. I replaced the old pump because it was leaking and dripping from the rear, i.e., from the shaft. Now this one is doing the same thing after just two seasons.
Unfortunately, I have to order a new one now because I can't get another one quickly.
  • Disadvantages
  • Quality
  • Lifespan
Christophe D.
by Christophe D. Flag of France 7/28/2025 Verified purchase Variant: 57134
seawater pump
After only 7 months, it started leaking from the seawater seal, and after disassembling it, I noticed that the stainless steel shaft had a scratch near the seal. I bought a new one, given the exorbitant price of spare parts, hoping for a manufacturing defect.

BEWARE OF THE CARRIER "UPS," totally incapable of delivering to the Ionian Sea! UPS France sends you to UPS Greece, and UPS Greece to something Greek-Bulgarian-Hungarian, and you have to be able to read Greek and speak English to TRY to get information about where the package is. So much wasted life time for such stupid things that cost us even more!!!!
  • Advantages
  • Mounting/Installation
  • Disadvantages
  • Lifespan

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