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    NRF
    Heat Exchanger, interior heating NRF 54208)

    Heat Exchanger, interior heating NRF 54208)

    ART: 54208 / EAN: 8718042074010

    NRF 54208 Heat Exchanger, interior heating NRF 54208)

    EAN: 8718042074010

    € 31,64

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    MAXGEAR
    Heat Exchanger, interior heating MAXGEAR 18-0059)

    Heat Exchanger, interior heating MAXGEAR 18-0059)

    ART: 18-0059 / EAN: 5907558565539

    MAXGEAR 18-0059 Heat Exchanger, interior heating MAXGEAR 18-0059)

    EAN: 5907558565539

    € 16,58

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    MAXGEAR
    Heat Exchanger, interior heating MAXGEAR 18-0121)

    Heat Exchanger, interior heating MAXGEAR 18-0121)

    ART: 18-0121 / EAN: 5901619569610

    MAXGEAR 18-0121 Heat Exchanger, interior heating MAXGEAR 18-0121)

    EAN: 5901619569610

    € 27,09

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    MAXGEAR
    Heat Exchanger, interior heating MAXGEAR 18-0117)

    Heat Exchanger, interior heating MAXGEAR 18-0117)

    ART: 18-0117 / EAN: 5907558565577

    MAXGEAR 18-0117 Heat Exchanger, interior heating MAXGEAR 18-0117)

    EAN: 5907558565577

    € 22,02

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    MAXGEAR
    Heat Exchanger, interior heating MAXGEAR 18-0110)

    Heat Exchanger, interior heating MAXGEAR 18-0110)

    ART: 18-0110 / EAN: 5901619526279

    MAXGEAR 18-0110 Heat Exchanger, interior heating MAXGEAR 18-0110)

    EAN: 5901619526279

    € 22,06

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    MAXGEAR
    Heat Exchanger, interior heating MAXGEAR 18-0119)

    Heat Exchanger, interior heating MAXGEAR 18-0119)

    ART: 18-0119 / EAN: 5907558599091

    MAXGEAR 18-0119 Heat Exchanger, interior heating MAXGEAR 18-0119)

    EAN: 5907558599091

    € 12,52

    Add
    MAXGEAR
    Heat Exchanger, interior heating MAXGEAR AC570830)

    Heat Exchanger, interior heating MAXGEAR AC570830)

    ART: AC570830 / EAN: 5901619528501

    MAXGEAR AC570830 Heat Exchanger, interior heating MAXGEAR AC570830)

    EAN: 5901619528501

    € 33,43

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    MAXGEAR
    Heat Exchanger, interior heating MAXGEAR AC562979)

    Heat Exchanger, interior heating MAXGEAR AC562979)

    ART: AC562979 / EAN: 5901619528495

    MAXGEAR AC562979 Heat Exchanger, interior heating MAXGEAR AC562979)

    EAN: 5901619528495

    € 24,78

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    MAXGEAR
    Heat Exchanger, interior heating MAXGEAR AC566894)

    Heat Exchanger, interior heating MAXGEAR AC566894)

    ART: AC566894 / EAN: 5901619532003

    MAXGEAR AC566894 Heat Exchanger, interior heating MAXGEAR AC566894)

    EAN: 5901619532003

    € 32,13

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    MAXGEAR
    Heat Exchanger, interior heating MAXGEAR 18-0225)

    Heat Exchanger, interior heating MAXGEAR 18-0225)

    ART: 18-0225 / EAN: 5901619505427

    MAXGEAR 18-0225 Heat Exchanger, interior heating MAXGEAR 18-0225)

    EAN: 5901619505427

    € 40,64

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    MAXGEAR
    Heat Exchanger, interior heating MAXGEAR AC553041)

    Heat Exchanger, interior heating MAXGEAR AC553041)

    ART: AC553041 / EAN: 5901619569689

    MAXGEAR AC553041 Heat Exchanger, interior heating MAXGEAR AC553041)

    EAN: 5901619569689

    € 36,13

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    MAXGEAR
    Heat Exchanger, interior heating MAXGEAR AC581303)

    Heat Exchanger, interior heating MAXGEAR AC581303)

    ART: AC581303 / EAN: 5901619569719

    MAXGEAR AC581303 Heat Exchanger, interior heating MAXGEAR AC581303)

    EAN: 5901619569719

    € 23,90

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    MAXGEAR
    Heat Exchanger, interior heating MAXGEAR AC599048)

    Heat Exchanger, interior heating MAXGEAR AC599048)

    ART: AC599048 / EAN: 5901619569726

    MAXGEAR AC599048 Heat Exchanger, interior heating MAXGEAR AC599048)

    EAN: 5901619569726

    € 23,20

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    MAXGEAR
    Heat Exchanger, interior heating MAXGEAR AC501893)

    Heat Exchanger, interior heating MAXGEAR AC501893)

    ART: AC501893 / EAN: 5901619569771

    MAXGEAR AC501893 Heat Exchanger, interior heating MAXGEAR AC501893)

    EAN: 5901619569771

    € 37,18

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    MAXGEAR
    Heat Exchanger, interior heating MAXGEAR AC580537)

    Heat Exchanger, interior heating MAXGEAR AC580537)

    ART: AC580537 / EAN: 5901619579046

    MAXGEAR AC580537 Heat Exchanger, interior heating MAXGEAR AC580537)

    EAN: 5901619579046

    € 26,92

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    MAXGEAR
    Heat Exchanger, interior heating MAXGEAR AC568498)

    Heat Exchanger, interior heating MAXGEAR AC568498)

    ART: AC568498 / EAN: 5902659726230

    MAXGEAR AC568498 Heat Exchanger, interior heating MAXGEAR AC568498)

    EAN: 5902659726230

    € 38,72

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    MAHLE
    Heat Exchanger, interior heating MAHLE AH 182 000P)

    Heat Exchanger, interior heating MAHLE AH 182 000P)

    ART: AH 182 000P / EAN: 4057635046800

    MAHLE AH 182 000P Heat Exchanger, interior heating MAHLE AH 182 000P)

    EAN: 4057635046800

    € 199,18

    Add
    MAHLE
    Heat Exchanger, interior heating MAHLE AH 203 000P)

    Heat Exchanger, interior heating MAHLE AH 203 000P)

    ART: AH 203 000P / EAN: 4057635047036

    MAHLE AH 203 000P Heat Exchanger, interior heating MAHLE AH 203 000P)

    EAN: 4057635047036

    € 89,79

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    Heater exchanger / matrix

    The heater exchanger, also known as the heater matrix, transfers thermal energy from engine coolant into the cabin air stream, allowing the vehicle’s interior to be heated efficiently. It functions as a compact radiator inside the HVAC system, where hot coolant passes through fine channels while air is blown across its surface. Efficient heat exchange is essential for rapid cabin warm-up, windshield defrosting, and stable interior temperature.

    When the heater matrix becomes blocked internally, corrodes, or develops leaks, heating performance drops significantly. Symptoms include weak or no cabin heat, sweet coolant odors inside the vehicle, fogging of windows, and gradual coolant loss. A leaking matrix can also introduce coolant into the HVAC housing, damaging interior components and electronics.

    Porza supplies high-efficiency heater exchangers manufactured with corrosion-resistant alloys, precision-formed channels, and optimized heat transfer surfaces. Each Porza unit is pressure-tested for leak integrity and thermal performance. With Porza installed, fast cabin heating, clear visibility, and long-term HVAC reliability are fully restored.

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    Straelseweg 52, 5911 CR
    Venlo
    The Netherlands

    Willem de Rijkelaan 15a, 5616 HH
    Eindhoven
    The Netherlands

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