Closed Cooling System

  • 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
  • 950-4176

    Martec “S”-Shaped Hose Molded from Reinforced EPDM Rubber

    Sale! Original price was: €26,95.Current price is: €22,95. Same day shipping    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 4″ Heat Exchanger from Martec

    Sale! Original price was: €34,95.Current price is: €28,95. Same day shipping    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
  • 950-1012

    Martec Temperature Sensor for Volvo Penta

    Sale! Original price was: €43,95.Current price is: €35,95. Same day shipping    Add to cart
  • 950-7605

    Martec Heat Exchanger + 17L Suitable for Yanmar 1-2GM, 2QM15, Albin O2, O21

    Sale! Original price was: €689,95.Current price is: €569,95. 3-5 working days    Add to cart
  • 950-7601B

    Martec Heat Exchanger + 17B Suitable for Volvo Penta MD5, Yanmar YSB8-12, YSM8-12, YSE8-12

    Sale! Original price was: €649,95.Current price is: €539,95. 3-5 working days    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
  • 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

    Freeze cap Freeze plug 53.98

    Sale! Original price was: €7,95.Current price is: €5,95. Next day shipping    Add to cart
  • Volvo Penta expansion plug for cylinder head - 477024

    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

    Freeze cap Freeze plug 31.75mm

    Sale! Original price was: €3,95.Current price is: €3,49. Next day shipping    Add to cart
  • Cooling element 75-700 (OM314 + OM616)

    Cooling element 75-700 (OM314 + OM616)

    €499,95 Out of stock    Read more
  • O' Ring Ø 75.79 mm, thickness 3.53 mm.

    O’ Ring Ø 75.79 mm, thickness 3.53 mm.

    Sale! Original price was: €14,95.Current price is: €12,95. Same day shipping    Add to cart
  • Cooling element 55-630 (190D)

    Cooling element 55-630 (190D)

    €449,95 Same day shipping    Add to cart
  • Marine Water pump Chrysler Marine Engine (1967-1989)

    Marine Water pump Chrysler Marine Engine (1967-1989)

    Sale! Original price was: €399,95.Current price is: €329,95. Out of stock    Read more
  • Marine Water pump Mercruiser, OMC, Chevrolet Marine Engine (1963-1989)

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

    Sale! Original price was: €289,95.Current price is: €239,95. Same day shipping    Add to cart
  • Martec closed circuit cooling system Volvo Penta 1989 Red engine 7.4. Chev. 454

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

    Sale! Original price was: €1.929,95.Current price is: €1.609,95. Out of stock    Read more
  • Heat exchanger 150 x Ø55mm 17hp 1''x1/2'' BSP connection

    Heat exchanger 150 x Ø55mm 17hp 1”x1/2” BSP connection

    Sale! Original price was: €379,95.Current price is: €319,95. Same day shipping    Add to cart
  • Martec rubber 3'' 75mm

    Martec rubber 3” 75mm

    Sale! Original price was: €10,95.Current price is: €8,95. Same day shipping    Add to cart
  • Oliekoeler 12''x Ø55 mm. Ø32mm. wateraansluiting

    Oil Cooler 9” x Ø55 mm. Ø32mm Water connection

    €389,95 Out of stock    Read more
  • Oliekoeler 12''x Ø55 mm. Ø32mm. wateraansluiting

    Oil Cooler 7” Ø55mm. Ø32 mm. Water connection

    Sale! Original price was: €379,95.Current price is: €319,95. Same 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.