Closed Cooling System Kit

  • Thermostat Yanmar open water Closed cooling system 105582-49200 (42gr)

    Sale! Original price was: €84,95.Current price is: €69,95. Same day shipping    Add to cart

  • O’ Ring Ø 75.79 mm, thickness 3.53 mm.

    Sale! Original price was: €12,95.Current price is: €10,95. Same day shipping    Add to cart

  • Martec Circulation pump Jonsson 10-24501-03

    Sale! Original price was: €249,95.Current price is: €209,95. Same day shipping    Add to cart

  • Marine Water pump Mercruiser, OMC, Chevrolet Marine Engine (1963-1989)

    Sale! Original price was: €249,95.Current price is: €209,95. Same day shipping    Add to cart

  • Martec closed circuit cooling system Volvo Penta 1989 Red engine 7.4. Chev. 454

    Sale! Original price was: €2.199,95.Current price is: €1.839,95. Out of stock    Read more

  • Martec rubber 3” 75mm

    Sale! Original price was: €6,95.Current price is: €5,95. Same day shipping    Add to cart
  • Oliekoeler 12''x Ø55 mm. Ø32mm. wateraansluiting

    Oil Cooler 9” x Ø55 mm. Ø32mm Water connection

    €459,95 Same day shipping    Add to cart
  • Double Oil Cooler 175x175mm x Ø55mm Ø32mm hose connection.

    Double Oil Cooler 7” x 10” x Ø75mm Ø42mm Water connection

    €1.059,95 Same day shipping    Add to cart
  • Oliekoeler 12''x Ø55 mm. Ø32mm. wateraansluiting

    Oilcooler 14” x Ø75 mm Ø46mm Water connection

    €639,95 Same day shipping    Add to cart

  • Closed cooling system Wall mounted, up to 17hp

    Sale! Original price was: €1.019,95.Current price is: €849,95. 3-5 working days    Add to cart

  • Martec closed circuit cooling system Yanmar YSM12 Heat exchanger converting kit

    Sale! Original price was: €1.159,95.Current price is: €969,95. 3-5 working days    Add to cart

  • Martec closed circuit cooling system Yanmar YSM 8 Heat exchanger converting kit

    Sale! Original price was: €1.159,95.Current price is: €969,95. 3-5 working days    Add to cart

  • Martec closed circuit cooling system Volvo VP 2003, Heat exchanger converting kit

    Sale! Original price was: €1.299,95.Current price is: €1.089,95. 3-5 working days    Add to cart

  • Martec closed circuit cooling system Volvo VP 2001, Heat exchanger converting kit

    Sale! Original price was: €1.199,95.Current price is: €999,95. 3-5 working days    Add to cart
  • Gesloten koelsysteem Volvo MD5 A-B-C ombouw warmtewisselaar set

    Martec closed circuit cooling system Volvo MD5 A-B, Heat exchanger converting kit

    Sale! Original price was: €1.159,95.Current price is: €969,95. 3-5 working days    Add to cart
  • 970313176

    Coolant filler cap Nanni

    Sale! Original price was: €31,95.Current price is: €25,95. 3-5 working days    Add to cart
  • 970313279

    Filler cap expansion tank Nanni

    Sale! Original price was: €24,95.Current price is: €20,95. 3-5 working days    Add to cart
  • 970307282

    Thermostat Nanni 970307282

    Sale! Original price was: €66,95.Current price is: €55,95. 3-5 working days    Add to cart
  • 970142109

    Sealing ring for injector Nanni – 970142109

    Sale! Original price was: €6,95.Current price is: €5,95. 3-5 working days    Add to cart
  • 970300199

    Ring for zinc anode Nanni

    Sale! Original price was: €3,19.Current price is: €2,69. 3-5 working days    Add to cart
  • 970604614

    Radiator cap Nanni

    Sale! Original price was: €63,95.Current price is: €52,95. 3-5 working days    Add to cart
  • KSAV02

    Gasket set heat exchanger for 2.45he up to 3.75he

    Sale! Original price was: €36,95.Current price is: €30,95. 3-5 working days    Add to cart
  • KSAV02

    Gasket set heat exchanger for 3.100HE up to 5.250HE

    Sale! Original price was: €31,95.Current price is: €25,95. 3-5 working days    Add to cart
  • 970302608

    O-ring for thermostat Nanni

    Sale! Original price was: €4,95.Current price is: €3,99. 3-5 working days    Add to cart

Closed-circuit cooling system (engine-specific)

The heat exchangers are available for a wide range of engines. You will receive a set specifically for the engine including fittings, such as hoses and pipes, for direct fastening to the engine.

Standard conversion kit for closed cooling system

You will also find standard conversion kits for going from direct cooling to a closed cooling system.

Heat exchanger for wall mounting

We also supply standard conversion kits for various engine capacities. These heat exchangers are mounted against a wall.

MARTEC heat exchanger

All MARTEC Fresh Water Cooling systems come complete with heat exchanger, expansion tank, electric Johnson circulation pump and fitting materials.