Cooling system

  • Impeller JMP7500-01, Doosan60.06804-0003, Nikkiso FP-25

    Impeller JMP7500-01, Doosan60.06804-0003, Nikkiso FP-25

    Sale! Original price was: €54,95.Current price is: €45,95. Same day shipping    Add to cart
  • UV lamp puro C39 4P 38W 810mm Main Image

    UV lamp puro C39 4P 38W 810mm

    €109,95 Out of stock    Read more
  • Volvo Penta MD2010, MD2020, MD2030, D1-20, D1-30, exhaust bend 861906

    Volvo Penta MD2010, MD2020, MD2030, D1-20, D1-30, exhaust bend 861906

    €229,95 Same day shipping    Add to cart
  • Impeller Neoprene Ancor

    Impeller Neoprene Ancor

    Sale! Original price was: €20,95.Current price is: €17,95. Same day shipping    Add to cart
  • Ball valve 2x female thread 1 1/2

    Ball valve 2x female thread 1 1/2

    Sale! Original price was: €37,95.Current price is: €30,95. Same day shipping    Add to cart
  • Pencil anode complete Ø3/4'' L=3-3/8'' thread=3/4''NPT Zinc + Brass

    Pencil anode complete Ø3/4” L=3-3/8” thread=3/4”NPT Zinc + Brass

    Sale! Original price was: €17,95.Current price is: €14,95. Same day shipping    Add to cart
  • Pencil anode zinc only Ø1/2'' L=1-1/4'' thread=1/4''UNC

    Pencil anode zinc only Ø1/2” L=1-1/4” thread=1/4”UNC

    Sale! Original price was: €9,95.Current price is: €7,95. Same day shipping    Add to cart
  • Steyr pencil anode Zinc only Ø 14 L. 29

    Steyr pencil anode Zinc only Ø 14 L. 29

    Sale! Original price was: €9,95.Current price is: €8,95. Same day shipping    Add to cart
  • Caterpillar pencil anode Ø 10 L.55 plug th.1/4''bspt Zinc + Brass

    Caterpillar pencil anode Ø 10 L.55 plug th.1/4”bspt Zinc + Brass

    Sale! Original price was: €21,95.Current price is: €18,95. Same day shipping    Add to cart
  • Yamaha Gear Case Anode for 15-20HP Aluminium

    Yamaha Gear Case Anode for 15-20HP Aluminium

    €8,95 Same day shipping    Add to cart
  • 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    Add to cart
  • Bolt-on rod anode UK TYPE - Fairline 200x65x32 H.C.110, Magnesium

    Bolt-on rod anode UK TYPE – Fairline 200x65x32 H.C.110, Magnesium

    Sale! Original price was: €22,95.Current price is: €18,95. Same day shipping    Add to cart
  • Shaft anode USA type Ø 38mm 1 1/2", Zinc

    Shaft anode USA type Ø 38mm 1 1/2″, Zinc

    €24,95 Same day shipping    Add to cart
  • Volvo Penta pencil anode Ø15.5 L.40 Magnesium

    Volvo Penta pencil anode Ø15.5 L.40 Magnesium

    Sale! Original price was: €3,09.Current price is: €2,59. Same day shipping    Add to cart
  • Impellerpomp revisieset 0075 (klein) 21141637 is te gebruiken voor de revisie van de JMP Marine pomp als met de OEM-pompen van Volvo Penta.

    Impeller pump overhaul kit (small) 0075 21141637

    Sale! Original price was: €75,95.Current price is: €62,95. Same day shipping    Add to cart
  • Mercruiser Bearing Carrier anode Aluminium

    Mercruiser Bearing Carrier anode Aluminium

    Sale! Original price was: €6,95.Current price is: €5,95. Same day shipping    Add to cart
  • Volvo Penta Block for DPX outdrive Magnesium

    Volvo Penta Block for DPX outdrive Magnesium

    Sale! Original price was: €11,95.Current price is: €9,95. Same day shipping    Add to cart
  • Volvo Penta triangle anode plate, Magnesium

    Volvo Penta triangle anode plate, Magnesium

    Sale! Original price was: €4,95.Current price is: €3,95. Same day shipping    Add to cart
  • Max Prop - collar anode int. Ø46, Zinc

    Max Prop – collar anode int. Ø46, Zinc

    Sale! Original price was: €24,95.Current price is: €20,95. Same day shipping    Add to cart
  • Impeller Puller universal

    Impeller Puller universal

    Sale! Original price was: €159,95.Current price is: €129,95. Same day shipping    Add to cart
  • CR Brass Elbow 90º female/female 1/2"

    CR Brass Elbow 90º female/female 1/2″

    Sale! Original price was: €6,95.Current price is: €5,95. Same day shipping    Add to cart
  • Impellerpomp Volvo Penta D4 serie koelwaterpomp. Door gebruikt van Hoogwaardiger materiaal is deze pomp van beter kwaliteit dan het origineel.

    Impeller pump Volvo Penta 3.0GS 4.3GL 5.0GL 4.3GI 5.0Gi 4.3GXI 5.0GXi 5.7GS 5.7Gi

    Sale! Original price was: €379,95.Current price is: €319,95. Same day shipping    Add to cart
  • Impellerpomp Volvo Penta 4.3GL 5.0GL 4.3GXI 5.0GXI 5.7GXi V6 V8 Door hoogwaardig materiaal is in prestatie en kwaliteit de betere versie.

    Impeller pump Volvo Penta 4.3GL 5.0GL, 4.3GXI 5.0GXI 5.7GXi, V6 V8

    Sale! Original price was: €389,95.Current price is: €329,95. Same day shipping    Add to cart
  • Water outlet muffler Ø 60mm Plastic

    Water outlet muffler Ø 60mm Plastic

    Sale! Original price was: €96,95.Current price is: €79,95. Same day shipping    Add to cart

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>