Cooling system

  • Honda Small plate anode for 10-50HP Aluminium

    Honda Small plate anode for 10-50HP Aluminium

    Sale! Original price was: €5,95.Current price is: €4,95. Same day shipping    Add to cart
  • Nissan Tohatsu Skeg anode for 140HP Engine Zinc

    Nissan Tohatsu Skeg anode for 140HP Engine Zinc

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  • Small plate for Suzuki DF 90-115-140 Zinc

    Small plate for Suzuki DF 90-115-140 Zinc

    Sale! Original price was: €4,95.Current price is: €3,95. Same day shipping    Add to cart
  • Yamaha Cylinder Crankcase anode 25-250HP Magnesium

    Yamaha Cylinder Crankcase anode 25-250HP Magnesium

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  • Yamaha small Bar anode 8-300HP Zinc

    Yamaha small Bar anode 8-300HP Zinc

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  • Max power propeller nut Ø31,8, Zinc

    Max power propeller nut Ø31,8, Zinc

    Sale! Original price was: €6,95.Current price is: €5,95. Same day shipping    Add to cart
  • Gori collar for 3-blade Saildrive propeller Ø18''-20'', Zinc

    Gori collar for 3-blade Saildrive propeller Ø18”-20”, Zinc

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  • BRP Horseshoe for OMC Cobra Zinc

    BRP Horseshoe for OMC Cobra Zinc

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  • Volvo Penta Bow Thrust anode, Magnesium

    Volvo Penta Bow Thrust anode, Magnesium

    Sale! Original price was: €6,95.Current price is: €5,95. Same day shipping    Add to cart
  • Volvo Penta brass plug th.1/2'' Bspt + male thread M8

    Volvo Penta brass plug th.1/2” Bspt + male thread M8

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  • Shaft collar Ø 30 mm Magnesium

    Shaft collar Ø 30 mm Magnesium

    Sale! Original price was: €11,95.Current price is: €9,95. Same day shipping    Add to cart
  • Shaft anode USA type Ø 40mm Magnesium

    Shaft anode USA type Ø 40mm Magnesium

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  • Max Prop - 3 holes propeller anode Ø65 Zinc

    Max Prop – 3 holes propeller anode Ø65 Zinc

    Sale! Original price was: €11,95.Current price is: €9,95. Same day shipping    Add to cart
  • Radice conical prop nut (anode only) shaft Ø 40mm Aluminium

    Radice conical prop nut (anode only) shaft Ø 40mm Aluminium

    Sale! Original price was: €15,95.Current price is: €13,95. Same day shipping    Add to cart
  • Radice exagonal prop nut (anode only) shaft Ø 30mm, Aluminium

    Radice exagonal prop nut (anode only) shaft Ø 30mm, Aluminium

    Sale! Original price was: €7,95.Current price is: €6,95. Same day shipping    Add to cart
  • Radice exagonal prop nut (anode only) shaft Ø 22-25mm, Magnesium

    Radice exagonal prop nut (anode only) shaft Ø 22-25mm, Magnesium

    Sale! Original price was: €6,95.Current price is: €4,95. Same day shipping    Add to cart
  • Radice exagonal prop nut (anode only) shaft Ø 22-25mm Aluminium

    Radice exagonal prop nut (anode only) shaft Ø 22-25mm Aluminium

    Sale! Original price was: €5,95.Current price is: €4,95. Same day shipping    Add to cart
  • tear drop weld-on anode 2kg, Aluminium

    tear drop weld-on anode 2kg, Aluminium

    €34,95 Out of stock    Read more
  • Disc anode for Stern 200*25mm, Aluminium

    Disc anode for Stern 200*25mm, Aluminium

    Sale! Original price was: €69,95.Current price is: €58,95. Same day shipping    Add to cart
  • Slim type Shaft collar anode Ø 38mm, Zinc

    Slim type Shaft collar anode Ø 38mm, Zinc

    Sale! Original price was: €9,95.Current price is: €8,95. Same day shipping    Add to cart
  • Shaft anode USA type Ø28.6 mm 1 1/8", Aluminium

    Shaft anode USA type Ø28.6 mm 1 1/8″, Aluminium

    Sale! Original price was: €10,95.Current price is: €8,95. Same day shipping    Add to cart
  • Volvo Penta pencil anode Ø26 L.44 Zinc

    Volvo Penta pencil anode Ø26 L.44 Zinc

    Sale! Original price was: €11,95.Current price is: €9,95. Same day shipping    Add to cart
  • Impellerpomp revisieset (klein) 0183 kan gebruikt worden voor de revisie of onderhoud en reparatie van jmp Detroit Diesel Marine koelwater impellerpompen.

    Impeller pump overhaul kit (small) 0183

    Sale! Original price was: €63,95.Current price is: €53,95. Same day shipping    Add to cart
  • Stainless steel Exhaust injection elbow Volvo Penta MD1, MD2, MD3, MD6, MD7, MD11, MD17 flange

    Stainless steel Exhaust injection elbow Volvo Penta MD1, MD2, MD3, MD6, MD7, MD11, MD17 flange

    Sale! Original price was: €369,95.Current price is: €309,95. Out of stock    Read more

The various types of cooling water systems

There are three types of cooling systems:

  1. Direct cooling: a cooling water system whereby water is pumped into the engine block by a impeller pump.
  2. Indirect cooling: a separate cooling water system (also called intercooling or heat exchanger system) in which there is coolant in the engine and cooling water is pumped through a heat exchanger by means of an impeller pump.
  3. Indirect keel cooling : a keel cooling system, in which cooling pipes with coolant run under the boat. With the latter system, a wet exhaust is not possible unless you have installed an additional impeller pump or electric pump.

Dry or wet exhaust?

Choose a wet exhaust. With a wet exhaust, the noise is muffled by the water. You can also use a rubber exhaust hose because of the lower temperature. <read more>