Closed Cooling System Kit

  • Radiatordop Volvo Penta 0.75 hPa

    Radiator cap Volvo Penta 0.75 hPa

    Sale! Original price was: €24,95.Current price is: €20,95. Same day shipping    Add to cart
  • Freeze cap Freeze plug Volvo Penta 477024

    Freeze cap Freeze plug Volvo Penta 477024

    Sale! Original price was: €6,95.Current price is: €5,95. Same day shipping    Add to cart
  • Thermostaat Volvo Penta MD2 MD3 MD6 MD7 MD11 MD17

    Thermostat Volvo Penta MD5 Closed cooling system

    Sale! Original price was: €83,95.Current price is: €69,95. Same day shipping    Add to cart
  • Radiateur dop Vetus opend bij 0,9 bar druk

    Radiator cap universal 44.00 mm

    Sale! Original price was: €13,95.Current price is: €11,95. Same day shipping    Add to cart
  • Radiator cap calice solder pressure reliefcap small (57mm)

    Radiator cap calice solder pressure reliefcap small (57mm)

    Sale! Original price was: €17,95.Current price is: €14,95. Same day shipping    Add to cart
  • Radiator cap small 0.5bar relief cap (57mm)

    Radiator cap small 0.5bar relief cap (57mm)

    Sale! Original price was: €17,95.Current price is: €14,95. Same day shipping    Add to cart
  • Radiator cap large 0.5bar relief cap (68mm)

    Radiator cap large 0.5bar relief cap (68mm)

    Sale! Original price was: €25,95.Current price is: €20,95. Same day shipping    Add to cart
  • Martec closed circuit cooling system Volvo MD6, MD7, Heat exchanger converting kit

    Martec closed circuit cooling system Volvo MD6, MD7, Heat exchanger converting kit

    Sale! Original price was: €1.359,95.Current price is: €1.129,95. 3-5 working days    Add to cart
  • Freezer cup 16.00mm freeze cap

    Freezer cup 16.00mm freeze cap

    Sale! Original price was: €4,95.Current price is: €3,99. Next day shipping    Add to cart
  • Warmtewisselaar 300-Ø100mm 61PK

    Heat exchanger 300 x Ø100mm 105hp 1-1/4” x 1” BSP connection

    Sale! Original price was: €1.239,95.Current price is: €1.039,95. Same day shipping    Add to cart
  • Martec closed circuit cooling system Yanmar 3GM Heat exchanger converting kit

    Martec closed circuit cooling system Yanmar 3GM Heat exchanger converting kit

    Sale! Original price was: €1.519,95.Current price is: €1.269,95. 3-5 working days    Add to cart
  • Thermostat Volvo Penta MD22 series Perkins M50 M60

    Thermostat Volvo Penta MD22 series Perkins M50 M60

    Sale! Original price was: €27,95.Current price is: €22,95. Same day shipping    Add to cart
  • Closed cooling system Wall mounted, up to 40hp

    Closed cooling system Wall mounted, up to 40hp

    Sale! Original price was: €1.359,95.Current price is: €969,95. 3-5 working days    Add to cart
  • Freeze cap Freeze plug 48.00mm

    Freeze cap Freeze plug 48.00mm

    Sale! Original price was: €5,95.Current price is: €4,95. Next day shipping    Add to cart
  • Cooling element 75-985 (Merc.6 cyl.)

    Cooling element 75-985 (Merc.6 cyl.)

    €659,95 Same day shipping    Add to cart
  • Heat exchanger 200-Ø100mm 34hp; High quality, resistant to salt and extreme conditions, for long and trouble-free use.

    Heat exchanger 200 x Ø100mm 70hp 1” x 1” BSP connection

    Sale! Original price was: €1.019,95.Current price is: €849,95. Same day shipping    Add to cart
  • Martec rubber 4'' 100mm

    Martec rubber 4” 100mm

    Sale! Original price was: €10,95.Current price is: €8,95. Same day shipping    Add to cart
  • Thermostat GM V8 engines Volvo Penta and Mercruiser Closed cooling system

    Thermostat GM V8 engines Volvo Penta and Mercruiser Closed cooling system

    Sale! Original price was: €39,95.Current price is: €32,95. Same day shipping    Add to cart
  • Deze Thermostaat Volvo Penta AQ170 Gesloten koelsysteem is voor verschillende motoren te gebruiken, zoals BMC, DAF enz

    Thermostat Volvo Penta AQ170 Closed cooling system

    Sale! Original price was: €41,95.Current price is: €33,95. Same day shipping    Add to cart
  • Oliekoeler 12''x Ø55 mm. Ø32mm. wateraansluiting

    Oil Cooler 12″ x Ø75 mm Ø42mm Water connection

    Sale! Original price was: €609,95.Current price is: €509,95. Same day shipping    Add to cart
  • Heat Exchanger Gasket Vetus M2.05 STM1563

    Heat Exchanger Gasket Vetus M2.05 STM1563

    Sale! Original price was: €14,95.Current price is: €11,95. Out of stock    Read more
  • Freeze cap Freeze plug 50,00mm

    Freeze cap Freeze plug 50,00mm

    Sale! Original price was: €5,95.Current price is: €4,95. Next day shipping    Add to cart
  • O-ring STM3516 Vetus M2.05 heat exchanger

    O-ring STM3516 Vetus M2.05 heat exchanger

    Sale! Original price was: €1,59.Current price is: €1,29. Same day shipping    Add to cart
  • Marine Water pump Mercruiser (2007-2012)

    Marine Water pump Mercruiser (2007-2012)

    Sale! Original price was: €289,95.Current price is: €249,95. Out of stock    Read more

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.