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    Alternator Regulator

    Product number: 2.21002
    ART: 2.21002 / EAN: 5907668255528

    Advised products
    Price incl. vat.
    € 38,28
    Add to cart
    Leverdatum: 02-05-2026

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    Alternative products

    Alternator Regulator BOSCH 1 986 AE0 103)
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    Manufacturer Model Version Engine code Construction type Construction start Construction end Pk Power kw
     HEULIEZ
     IRISBUS
    IVECO IVECO
    MITSUBISHI MITSUBISHI
    RENAULT TRUCKS RENAULT TRUCKS
     TEMSA
    VOLVO VOLVO
    Manufacturer Productnumber
    FIAT 4253 7055 , 42537055
    FIAT 4254 0208 , 42540208
    VOLVO 20523391
    RENAULT 74 20 523 391 , 7420523391
    DAF 1450808
    DAF 1624197
    DAF 1794477
    DAF 2123080
    IVECO 4253 7055 , 42537055
    IVECO 4254 0208 , 42540208
    Usage numbers
    F 00M 144 103
    221.002
    4047755091170
    4047755129156
    4057795292987
    2.21002
    LIN22.10.02

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    Alternator Regulator

    The Alternator Regulator (2.21002) regulates alternator voltage for safe battery charging. Replacing it with a Porza-quality regulator restores stable power and electrical system protection.  

    FAQ

    An alternator regulator, also known as a voltage regulator, is an electronic component that controls the output voltage of the alternator. Its function is to maintain a stable voltage level to protect the battery and electrical systems from overcharging or undercharging.


    Key specifications include voltage rating, current capacity, connector type, mounting design, and compatibility with the alternator and vehicle. It must provide precise voltage control under varying operating conditions.


    Replacement is necessary when the regulator fails or becomes inaccurate. Common symptoms include battery overcharging, undercharging, fluctuating voltage, warning lights, or electrical system issues.


    Porza offers a fit guarantee option where your vehicle details are checked against product specifications to ensure correct compatibility.


    Porza provides high-quality electrical components with fast delivery across Europe and options for online ordering or in-store pickup.


    If the fit guarantee is selected, compatibility is verified before shipping. If the product does not fit, it can be returned according to the return policy.


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    Venlo
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    Willem de Rijkelaan 15a, 5616 HH
    Eindhoven
    The Netherlands

    info@porza.nl
    085 401 1901
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