Closed Cooling System Kit

  • 950-7603A

    Martec 2″ Heat Exchanger + 40A Suitable for Volvo Penta MD3-17, BMW D35

    Sale! Original price was: €1.029,95.Current price is: €859,95. 3-5 working days    Add to cart
  • 950-7606

    Martec 2″ Heat Exchanger Suitable for Yanmar 3GM

    Sale! Original price was: €999,95.Current price is: €829,95. 3-5 working days    Add to cart
  • 950-7602B

    Martec 2″ Heat Exchanger + 25B Suitable for Volvo Penta 2002, Yanmar 2QM20, Albin AD2-21, O22

    Sale! Original price was: €999,95.Current price is: €829,95. 3-5 working days    Add to cart
  • 950-7602A

    Martec 2″ Heat Exchanger + 25A Suitable for Volvo Penta MD2-11, Bukh DV20

    Sale! Original price was: €999,95.Current price is: €829,95. 3-5 working days    Add to cart
  • 950-7605

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

    Sale! Original price was: €909,95.Current price is: €759,95. 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: €869,95.Current price is: €719,95. 3-5 working days    Add to cart
  • 950-7601A

    Martec Heat Exchanger + 17A Suitable for Volvo Penta MD6, MD7

    Sale! Original price was: €869,95.Current price is: €719,95. 3-5 working days    Add to cart
  • 950-7614

    Martec Heat Exchanger + 17S Suitable for Volvo Penta 2001, MD5 Fenix

    Sale! Original price was: €869,95.Current price is: €719,95. 3-5 working days    Add to cart
  • 950-7622

    Martec Heat Exchanger for Recirculating Water-Based Heating System

    Sale! Original price was: €869,95.Current price is: €719,95. 3-5 working days    Add to cart
  • Expansion tank 5ltr

    Expansion tank 5ltr

    Out of stock    Read more
  • Expansion tank 40ltr

    Expansion tank 40ltr

    Sale! Original price was: €529,95.Current price is: €439,95. Out of stock    Read more
  • Expansion tank 24ltr

    Expansion tank 24ltr

    Sale! Original price was: €399,95.Current price is: €339,95. Next day shipping    Add to cart
  • Volvo Penta Thermostat housing ring AD, TAMD, KAD, 838807

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

    Sale! Original price was: €27,95.Current price is: €22,95. Out of stock    Read more
  • Volvo Penta Thermostat AD, TAMD, KAD, 3831424 (81°C)

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

    Sale! Original price was: €61,95.Current price is: €51,95. Next day shipping    Add to cart
  • KSAV02

    Gasket set heat exchanger for 2.45he up to 3.75he

    Sale! Original price was: €39,95.Current price is: €32,95. 3-5 working days    Add to cart
  • Freezer cup 28.57mm freezer cap

    Freezer cup 28.57mm freezer cap

    Sale! Original price was: €5,95.Current price is: €4,95. Next day shipping    Add to cart
  • Freezer cup 28.00mm freezer cap

    Freezer cup 28.00mm freezer cap

    Sale! Original price was: €5,95.Current price is: €4,95. Next day shipping    Add to cart
  • Freezer cup 27.00mm freeze cap

    Freezer cup 27.00mm freeze cap

    Sale! Original price was: €5,95.Current price is: €4,95. Next day shipping    Add to cart
  • Freezer cup 26.00mm freezer cap

    Freezer cup 26.00mm freezer cap

    Sale! Original price was: €6,95.Current price is: €5,95. Next day shipping    Add to cart
  • Freezer cup 25.40mm freezer cap

    Freezer cup 25.40mm freezer cap

    Sale! Original price was: €4,95.Current price is: €3,95. Next day shipping    Add to cart
  • Freezer cup 31.75mm freezer cap

    Freezer cup 31.75mm freezer cap

    Sale! Original price was: €5,95.Current price is: €4,95. Next day shipping    Add to cart
  • Freezer cup 34.00mm freezer cap

    Freezer cup 34.00mm freezer cap

    Sale! Original price was: €5,95.Current price is: €4,95. Next day shipping    Add to cart
  • Freezer cup 22.22mm freezer cap

    Freezer cup 22.22mm freezer cap

    Sale! Original price was: €5,95.Current price is: €4,95. Next day shipping    Add to cart
  • Freezer cup 22.00mm freeze cap

    Freezer cup 22.00mm freeze cap

    Sale! Original price was: €4,95.Current price is: €3,95. 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.