Closed Cooling System Kit

  • Oliekoeler 12''x Ø55 mm. Ø32mm. wateraansluiting

    Oil Cooler 12″ x Ø75 mm Ø42mm Water connection

    €609,95 Same day shipping    Add to cart

  • Martec closed circuit cooling system Yanmar 1GM Heat exchanger converting kit

    Sale! Original price was: €1.199,95.Current price is: €999,95. 3-5 working days    Add to cart

  • Radiator cap large 0.5bar relief cap (68mm)

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

  • Freeze cap Freeze plug 49.21mm

    Sale! Original price was: €4,95.Current price is: €3,95. Next day shipping    Add to cart

  • Cooling element 55-540 (180D)

    €419,95 Same day shipping    Add to cart

  • Marine Water pump Mercruiser, OMC, Chevrolet Marine Engine (1963-2007)

    Sale! Original price was: €219,95.Current price is: €174,95. Same day shipping    Add to cart

  • Martec closed cooling system V6 and V8 engines Smallblock up to 450hp

    Sale! Original price was: €2.739,95.Current price is: €2.289,95. 3-5 working days    Add to cart
  • Thermostaat Volvo Penta AQ95-130 Gesloten koelsysteem

    Thermostat Volvo Penta AQ95-130 Closed circuit cooling system

    Sale! Original price was: €72,95.Current price is: €59,95. Same day shipping    Add to cart
  • Oliekoeler 12''x Ø55 mm. Ø32mm. wateraansluiting

    Oil Cooler 10” x Ø75 mm Ø46mm Water connection

    €619,95 Same day shipping    Add to cart
  • Oliekoeler 12''x Ø55 mm. Ø32mm. wateraansluiting

    Oil Cooler 10” x Ø75 mm Ø42mm Water connection

    Sale! Original price was: €569,95.Current price is: €479,95. Same day shipping    Add to cart

  • Closed cooling system Wall mounted, up to 25hp

    Sale! Original price was: €1.089,95.Current price is: €909,95. 3-5 working days    Add to cart

  • Martec closed circuit cooling system Yanmar YSB 8-12 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 3HM 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 Yanmar 2QM20 Heat exchanger converting kit

    Sale! Original price was: €1.239,95.Current price is: €1.029,95. 3-5 working days    Add to cart

  • Martec closed circuit cooling system Yanmar 2GM/2GM20 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 VP 2002 ombouw warmtewisselaar set voor het installeren van interkoelsysteem voor je wat oudere direct gekoelde motor.

    Martec closed circuit cooling system Volvo VP 2002, Heat exchanger converting kit

    Sale! Original price was: €1.239,95.Current price is: €1.029,95. 3-5 working days    Add to cart

  • Albin O21-O22 Heat exchanger

    Sale! Original price was: €1.239,95.Current price is: €1.029,95. 3-5 working days    Add to cart

  • O-ring STM7060 Vetus for M3.10 M4.14

    €1,09 Same day shipping    Add to cart

  • Radiator cap chalice solder pressure relief cap large (68mm)

    Sale! Original price was: €13,95.Current price is: €10,95. Same day shipping    Add to cart

  • Freezer cup 25.00mm freeze cap

    Sale! Original price was: €4,95.Current price is: €3,99. Next day shipping    Add to cart

  • Freezer cup 19.05mm freezer cap

    Sale! Original price was: €3,95.Current price is: €3,39. Next day shipping    Add to cart

  • Freeze cap Freeze plug 33.33mm

    Sale! Original price was: €4,95.Current price is: €3,95. Next day shipping    Add to cart

  • Freeze cap Freeze plug 36.00mm

    Sale! Original price was: €4,95.Current price is: €3,95. Next day shipping    Add to cart

  • Freeze cap Freeze plug 31.75mm

    Sale! Original price was: €3,95.Current price is: €3,49. Next day shipping    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.