Closed Cooling System Kit

  • Marine Water pump Mercruiser (2007-2012)

    Marine Water pump Mercruiser (2007-2012)

    Sale! Original price was: €289,95.Current price is: €249,95. Out of stock
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  • Martec closed cooling system V6 and V8 engines Smallblock up to 450hp

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

    Sale! Original price was: €3.409,95.Current price is: €2.839,95. 3-5 working days
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  • Oliekoeler 12''x Ø55 mm. Ø32mm. wateraansluiting

    Oil Cooler 229mm x Ø55 mm. Ø32mm. Water connection

    439,95 Out of stock
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  • Heat exchanger 200-Ø100mm 34hp; High quality, resistant to salt and extreme conditions, for long and trouble-free use.

    Heat exchanger 200 x Ø75mm 40hp 1” x 1” BSP connection

    Sale! Original price was: €739,95.Current price is: €619,95. Same day shipping
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  • Warmtewisselaar 200-Ø55mm 22PK

    Heat exchanger 200 x Ø55mm 22hp 1/2”x1” BSP connection

    449,95 Same day shipping
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  • Double Oil Cooler 175x175mm x Ø55mm Ø32mm hose connection.

    Double Oil Cooler 7” x 7” x Ø55mm Ø32mm Hose connection.

    659,95 Same day shipping
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  • Closed cooling system Wall mounted, up to 25hp

    Closed cooling system Wall mounted, up to 25hp

    Sale! Original price was: €1.349,95.Current price is: €1.129,95. 3-5 working days
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  • 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: €1.489,95.Current price is: €1.239,95. 3-5 working days
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  • Radiator cap chalice solder pressure relief cap large (68mm)

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

    Sale! Original price was: €21,95.Current price is: €17,95. Same day shipping
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  • Thermostat Yanmar open water Closed cooling system 105582-49200  (42gr)

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

    Sale! Original price was: €84,95.Current price is: €69,95. Same day shipping
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  • Cooling element 55-540 (180D)

    Cooling element 55-540 (180D)

    419,95 Same day shipping
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  • Martec Circulation pump Jonsson 10-24501-03

    Martec Circulation pump Jonsson 10-24501-03

    Sale! Original price was: €319,95.Current price is: €269,95. Same day shipping
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  • Marine Water pump Mercruiser, OMC, Chevrolet Marine Engine (1963-2007)

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

    Sale! Original price was: €219,95.Current price is: €174,95. Same day shipping
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  • Thermostaat  Volvo Penta AQ95-130 Gesloten koelsysteem

    Thermostat Volvo Penta AQ95-130 Closed circuit cooling system

    Sale! Original price was: €89,95.Current price is: €74,95. Same day shipping
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  • Oliekoeler 12''x Ø55 mm. Ø32mm. wateraansluiting

    Oil Cooler 10” x Ø75 mm Ø46mm Water connection

    569,95 Same day shipping
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  • Oliekoeler 12''x Ø55 mm. Ø32mm. wateraansluiting

    Oil Cooler 10” x Ø75 mm Ø42mm Water connection

    Sale! Original price was: €529,95.Current price is: €439,95. Same day shipping
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  • 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: €1.449,95.Current price is: €1.195,95. 3-5 working days
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  • Martec closed circuit cooling system Yanmar 3HM Heat exchanger converting kit

    Martec closed circuit cooling system Yanmar 3HM Heat exchanger converting kit

    Sale! Original price was: €1.619,95.Current price is: €1.349,95. 3-5 working days
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  • Martec closed circuit cooling system Yanmar 2QM20 Heat exchanger converting kit

    Martec closed circuit cooling system Yanmar 2QM20 Heat exchanger converting kit

    Sale! Original price was: €1.539,95.Current price is: €1.279,95. 3-5 working days
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  • 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: €1.489,95.Current price is: €1.239,95. 3-5 working days
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  • 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: €1.539,95.Current price is: €1.279,95. 3-5 working days
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  • 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: €1.449,95.Current price is: €1.195,95. 3-5 working days
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  • Albin O21-O22 Heat exchanger

    Albin O21-O22 Heat exchanger

    Sale! Original price was: €1.539,95.Current price is: €1.279,95. 3-5 working days
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  • KSAV02

    Gasket set heat exchanger for 3.100HE up to 5.250HE

    Sale! Original price was: €33,95.Current price is: €28,95. 3-5 working days
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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.