Cooling system

  • Lombardini pencil anode Ø15 L.30 complete with plug 18X1,5 Zinc + Brass

    Lombardini pencil anode Ø15 L.30 complete with plug 18X1,5 Zinc + Brass

    16,95 Out of stock
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  • Lombardini pencil anode Ø10 L.18 complete with plug 1/4''Bspt Zinc + Brass

    Lombardini pencil anode Ø10 L.18 complete with plug 1/4”Bspt Zinc + Brass

    Sale! Original price was: €19,95.Current price is: €16,95. Same day shipping
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  • Volkswagen Marine pencil anode, zinc only  Ø 14 L. 20

    Volkswagen Marine pencil anode, zinc only Ø 14 L. 20

    Sale! Original price was: €9,95.Current price is: €7,95. Same day shipping
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  • Sidepower - Sleipner propeller nut SP30/40   Ø26 H.20, Aluminium

    Sidepower – Sleipner propeller nut SP30/40 Ø26 H.20, Aluminium

    Sale! Original price was: €8,95.Current price is: €6,95. Same day shipping
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  • Gori collar for 3-blade shaft Ø15''-16'', Zinc

    Gori collar for 3-blade shaft Ø15”-16”, Zinc

    Sale! Original price was: €15,95.Current price is: €13,95. Same day shipping
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  • Scandinavian type bolt-on anode 0,5kg Zinc

    Scandinavian type bolt-on anode 0,5kg Zinc

    Sale! Original price was: €13,95.Current price is: €11,95. Same day shipping
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  • Yanmar Collar anode for Saildrive, Magnesium

    Yanmar Collar anode for Saildrive, Magnesium

    Sale! Original price was: €24,95.Current price is: €20,95. Same day shipping
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  • Slim type Shaft collar anode Ø 25.4mm, Zinc

    Slim type Shaft collar anode Ø 25.4mm, Zinc

    Sale! Original price was: €12,95.Current price is: €10,95. Same day shipping
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  • Volvo Penta Outdrive ring anode for engine 250 - 270 - 275 - 285 Aluminium

    Volvo Penta Outdrive ring anode for engine 250 – 270 – 275 – 285 Aluminium

    Sale! Original price was: €7,95.Current price is: €6,95. Same day shipping
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  • Stainless steel Through-hull outlet, ø  76mm, 45 degrees

    Stainless steel Through-hull outlet, ø 76mm, 45 degrees

    Sale! Original price was: €71,95.Current price is: €59,95. Same day shipping
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  • Stainless steel Through-hull outlet, ø  45mm, 45 degrees

    Stainless steel Through-hull outlet, ø 45mm, 45 degrees

    Sale! Original price was: €30,95.Current price is: €25,95. Same day shipping
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  • Thermostat Yanmar Closed cooling system (75gr) 3HM Martec

    Thermostat Yanmar Closed cooling system (75gr) 3HM Martec

    Sale! Original price was: €57,95.Current price is: €47,95. Same day shipping
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  • CR Brass Hose tail (male) 3/4" x 16mm

    CR Brass Hose tail (male) 3/4″ x 16mm

    Sale! Original price was: €10,95.Current price is: €8,95. Same day shipping
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  • CR Messing slangtule (buitendraad) 3/8" x 20mm

    CR Brass Hose tail (male) 3/8″ x 8mm

    Sale! Original price was: €5,95.Current price is: €4,95. Same day shipping
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  • Slim type Shaft collar Ø 30 mm, Zinc

    Slim type Shaft collar Ø 30 mm, Zinc

    Sale! Original price was: €11,95.Current price is: €9,95. Same day shipping
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  • Bolt-on Bar Anodes Vetus Type 25 250x63x29 H.C. 140, Magnesium

    Bolt-on Bar Anodes Vetus Type 25 250x63x29 H.C. 140, Magnesium

    Sale! Original price was: €43,95.Current price is: €34,95. Same day shipping
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  • CR Brass Through-hull outlet 3/4" with hose tail 25mm

    CR Brass Through-hull outlet 3/4″ with hose tail 25mm

    Sale! Original price was: €25,95.Current price is: €21,95. Same day shipping
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  • CR Brass Through-hull outlet convex standard 1"1/2

    CR Brass Through-hull outlet convex standard 1″1/2

    Sale! Original price was: €55,95.Current price is: €45,95. Same day shipping
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  • CR Brass Water scoop 1"

    CR Brass Water scoop 1″

    Sale! Original price was: €47,95.Current price is: €39,95. Same day shipping
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  • Impeller pump Volvo Penta MD22L, MD22P, TAMD22P-B ST201

    Impeller pump Volvo Penta MD22L, MD22P, TAMD22P-B ST201

    Sale! Original price was: €669,95.Current price is: €559,95. Same day shipping
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  • Impeller pump Iveco 8061/ 8220 Perkins 6.305/ 6.354; The ideal cooling water pump as a replacement for, among others, Iveco and Perkins marine engines.

    Impeller pump Iveco 8061/ 8220 Perkins 6.305/ 6.354 ST150

    Sale! Original price was: €629,95.Current price is: €519,95. Same day shipping
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  • Cooling water hose Reducer 13 to 38 mm

    Cooling water hose Reducer 13 to 38 mm

    21,95 Same day shipping
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  • Coolant hose Straight 38 mm x 1.00 meter (1 1/2'')

    Coolant hose Straight 38 mm x 1.00 meter (1 1/2”)

    26,95 Same day shipping
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  • Coolant hose Straight 35 mm x 1.00 meter (1 3/8'')

    Coolant hose Straight 35 mm x 1.00 meter (1 3/8”)

    26,95 Same day shipping
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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>