Closed Cooling System

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

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

    Sale! Original price was: €1.119,95.Current price is: €929,95. 3-5 working days    Add to cart
  • 950-4004

    Martec Cooling Water Hose 16.00 mm

    Sale! Original price was: €13,95.Current price is: €10,95. 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
  • Martec Circulation pump Jonsson 10-24501-03

    Martec Circulation pump Jonsson 10-24501-03

    Sale! Original price was: €259,95.Current price is: €209,95. Same day shipping    Add to cart
  • Marine Water pump Mercruiser, OMC, Chevrolet Marine Engine (1963-2007)

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

    Sale! Original price was: €249,95.Current price is: €195,95. Same day shipping    Add to cart
  • Thermostaat Volvo Penta AQ95-130 Gesloten koelsysteem

    Thermostat Volvo Penta AQ95-130 Closed circuit cooling system

    Sale! Original price was: €76,95.Current price is: €64,95. Same day shipping    Add to cart
  • Oliekoeler 12''x Ø55 mm. Ø32mm. wateraansluiting

    Oil Cooler 10” x Ø75 mm Ø46mm Water connection

    €539,95 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: €499,95.Current price is: €409,95. Same day shipping    Add to cart
  • Martec closed circuit cooling system Yanmar YSB 8-12 Heat exchanger converting kit

    Martec closed circuit cooling system Yanmar YSB 8-12 Heat exchanger converting kit

    Sale! Original price was: €1.089,95.Current price is: €895,95. 3-5 working days    Add to cart
  • Martec closed circuit cooling system Yanmar 2GM/2GM20 Heat exchanger converting kit

    Martec closed circuit cooling system Yanmar 2GM/2GM20 Heat exchanger converting kit

    Sale! Original price was: €1.119,95.Current price is: €929,95. 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: €1.159,95.Current price is: €959,95. 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: €1.089,95.Current price is: €895,95. 3-5 working days    Add to cart
  • Albin O21-O22 Heat exchanger

    Albin O21-O22 Heat exchanger

    Sale! Original price was: €1.159,95.Current price is: €959,95. 3-5 working days    Add to cart
  • 950-4001

    Martec Cooling Water Hose 8.00 mm

    Sale! Original price was: €13,95.Current price is: €11,95. 3-5 working days    Add to cart
  • 950-7637

    Cleaning Filter for Martec Freshwater Coolers

    Sale! Original price was: €78,95.Current price is: €65,95. 3-5 working days    Add to cart
  • 950-7310

    End Cap for 2″ Heat Exchanger from Martec

    Sale! Original price was: €12,95.Current price is: €10,95. Same day shipping    Add to cart
  • 950-7622

    Martec Heat Exchanger for Recirculating Water-Based Heating System

    Sale! Original price was: €649,95.Current price is: €539,95. 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
  • O-ring STM7060 Vetus for M3.10 M4.14

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

    Sale! Original price was: €0,36.Current price is: €0,30. Same day shipping    Add to cart
  • Volvo Penta expansion plug for cylinder head - 477024

    Freezer cup 30.00mm freeze cap

    Sale! Original price was: €4,95.Current price is: €3,99. Next day shipping    Add to cart
  • Volvo Penta expansion plug for cylinder head - 477024

    Freezer cup 25.00mm freeze cap

    Sale! Original price was: €4,95.Current price is: €3,99. Next day shipping    Add to cart
  • Volvo Penta expansion plug for cylinder head - 477024

    Freezer cup 19.05mm freezer cap

    Sale! Original price was: €3,95.Current price is: €3,39. Next day shipping    Add to cart
  • Volvo Penta expansion plug for cylinder head - 477024

    Freeze cap Freeze plug 33.33mm

    Sale! Original price was: €4,95.Current price is: €3,95. Next day shipping    Add to cart
  • Volvo Penta expansion plug for cylinder head - 477024

    Freeze cap Freeze plug 53.98

    Sale! Original price was: €7,95.Current price is: €5,95. 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.