Closed Cooling System Kit

  • Freezer cup 19.05mm freezer cap

    Sale! Original price was: €5,11.Current price is: €4,08. Next day shipping    Add to cart

  • Freeze cap Freeze plug 33.33mm

    Sale! Original price was: €6,15.Current price is: €5,11. Next day shipping    Add to cart

  • Freeze cap Freeze plug 53.98

    Sale! Original price was: €9,25.Current price is: €8,21. Next day shipping    Add to cart

  • Freeze cap Freeze plug 36.00mm

    Sale! Original price was: €6,15.Current price is: €5,11. Next day shipping    Add to cart

  • Freeze cap Freeze plug 31.75mm

    Sale! Original price was: €5,11.Current price is: €4,08. Next day shipping    Add to cart

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

    Sale! Original price was: €87,76.Current price is: €72,26. Same day shipping    Add to cart

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

    Sale! Original price was: €13,38.Current price is: €11,31. Same day shipping    Add to cart

  • Cooling element 55-630 (190D)

    €537,14 Out of stock    Read more

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

    Sale! Original price was: €258,21.Current price is: €216,89. Same day shipping    Add to cart

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

    Sale! Original price was: €2.654,91.Current price is: €2.210,69. Out of stock    Read more

  • Martec rubber 3” 75mm

    Sale! Original price was: €9,25.Current price is: €7,18. Same day shipping    Add to cart
  • Oliekoeler 12''x Ø55 mm. Ø32mm. wateraansluiting

    Oil Cooler 9” x Ø55 mm. Ø32mm Water connection

    €475,15 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

    €1.094,99 Same day shipping    Add to cart
  • Oliekoeler 12''x Ø55 mm. Ø32mm. wateraansluiting

    Oilcooler 14” x Ø75 mm Ø46mm Water connection

    €661,11 Same day shipping    Add to cart

  • Closed cooling system Wall mounted, up to 17hp

    Sale! Original price was: €1.229,29.Current price is: €1.033,01. 3-5 working days    Add to cart

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

    Sale! Original price was: €1.404,91.Current price is: €1.167,30. 3-5 working days    Add to cart

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

    Sale! Original price was: €1.404,91.Current price is: €1.167,30. 3-5 working days    Add to cart

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

    Sale! Original price was: €1.570,20.Current price is: €1.311,93. 3-5 working days    Add to cart

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

    Sale! Original price was: €1.435,90.Current price is: €1.198,30. 3-5 working days    Add to cart

  • Volvo Penta Thermostat housing ring AD, TAMD, KAD, 838807

    Sale! Original price was: €44,37.Current price is: €36,11. Out of stock    Read more

  • Volvo Penta Thermostat AD, TAMD, KAD, 3831424 (81°C)

    Sale! Original price was: €79,49.Current price is: €67,10. Out of stock    Read more
  • 970313176

    Coolant filler cap Nanni

    Sale! Original price was: €35,07.Current price is: €28,87. 3-5 working days    Add to cart
  • 970313279

    Filler cap expansion tank Nanni

    Sale! Original price was: €27,84.Current price is: €22,68. 3-5 working days    Add to cart
  • 970307282

    Thermostat Nanni 970307282

    Sale! Original price was: €74,33.Current price is: €61,93. 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.