High Customer rating
Fast delivery
OE & Aftermarket
Best Quality
B2B prices available
  •  
  • Favorites
    Login
  •  
    0
  •  
    0
  • Helpdesk code:
    98DB4
    € 0
    GB
    VIN
    1
    2
    3


    Relay, glow plug system

    Product number: 30905
    ART: 30905 / EAN: 4027816309055

    FEBI BILSTEIN
    Advised products
    Price incl. vat.
    € 88,49

    Leverdatum: 28-05-2026

    payment icons payment icons payment icons payment icons

    delivery_icon

    DHL

    Expresslevering
    delivery_icon

    UPS

    Expresslevering
    delivery_icon

    PostNL

    Expresslevering
    delivery_icon

    DPD Nederland

    Expresslevering

    Alternative products

    EAN code 4040074086841
    Productnumber 014 880 0005
    Brand MEYLE
    Price incl. vat.
    € 101,14

    EAN code 4044197768899
    Productnumber GSE140
    Brand BorgWarner (BERU)
    Price incl. vat.
    € 99,62

    EAN code 8436034412687
    Productnumber MHG 56
    Brand MAHLE
    Price incl. vat.
    € 48,46

    EAN code
    Productnumber 27-1300
    Brand MAXGEAR
    Price incl. vat.
    € 75,17

    Manufacturer Model Version Engine code Construction type Construction start Construction end Pk Power kw
    MERCEDES-BENZ MERCEDES-BENZ
    Manufacturer Productnumber
    MERCEDES-BENZ 000 545 35 16 , 0005453516
    MERCEDES-BENZ 019 545 68 32 , 0195456832
    MERCEDES-BENZ 025 545 28 32 , 0255452832
    MERCEDES-BENZ 646 153 65 79 , 6461536579
    MERCEDES-BENZ 646 153 84 91 , 6461538491
    MERCEDES-BENZ A000 545 35 16 , A0005453516
    MERCEDES-BENZ A019 545 68 32 , A0195456832
    MERCEDES-BENZ A025 545 28 32 , A0255452832
    MERCEDES-BENZ A646 153 65 79 , A6461536579
    MERCEDES-BENZ A646 153 84 91 , A6461538491
    Usage numbers

    Your last viewed products

    EAN code 5012759575666
    Productnumber ES21091-12B1
    Brand DELPHI
    Price incl. vat.
    $65.03

    EAN code 8720264062591
    Productnumber 300.559.102.010
    Brand BV PSH
    Price incl. vat.
    $152.75

    In stock

    EAN code 7394410129455
    Productnumber 4059257
    Brand LESJÖFORS
    Price incl. vat.
    $54.58

    In stock

    EAN code 5907558580860
    Productnumber 21-0236
    Brand MAXGEAR
    Price incl. vat.
    $3.89

    In stock

    EAN code 5907558548099
    Productnumber 21-0124
    Brand MAXGEAR
    Price incl. vat.
    $4.75

    In stock

    EAN code 4027816088493
    Productnumber 08849
    Brand FEBI BILSTEIN
    Price incl. vat.
    $20.48

    EAN code 7394410085683
    Productnumber 4285707
    Brand LESJÖFORS
    Price incl. vat.
    $31.32

    In stock

    EAN code
    Productnumber P551067
    Brand DONALDSON
    Price incl. vat.
    $48.01

    In stock

    EAN code 3322938125004
    Productnumber BHT336E
    Brand TRW
    Price incl. vat.
    $190.35

    In stock

    EAN code 4030776069822
    Productnumber H175WK
    Brand HENGST FILTER
    Price incl. vat.
    $14.26

    In stock

    Relay, glow plug system

    The Relay, glow plug system (30905) controls power delivery to glow plugs for reliable cold starting. Replacing a faulty relay restores proper preheating and smoother engine operation. Use Porza’s smart search to find the correct relay.

    Febi Bilstein is a globally respected manufacturer and supplier of high-quality replacement parts for passenger cars and commercial vehicles. With over 175 years of automotive expertise, Febi stands for reliability, innovation, and German engineering precision. The brand offers an extensive product range of more than 47,000 items, covering steering, suspension, braking, engine, drivetrain, and electrical systems.

    Every Febi component meets or exceeds OEM standards, ensuring optimal fit, performance, and durability. Their in-house production and strict quality control guarantee parts that professionals trust worldwide. Febi Bilstein is also a pioneer in the aftermarket, being one of the first to offer parts with full OE-matching quality outside the dealership network.

    Whether you're servicing a modern European vehicle or maintaining a heavy-duty truck, Febi provides reliable solutions with fast availability and long-lasting performance. Choose Febi Bilstein for precision-made parts backed by generations of expertise and a commitment to quality.

    Wilhelmstraße 47, Ennepetal, Duitsland

    +492333911-0

    support@bilsteingroup.com

    FAQ

    A relay for a glow plug system is an electrical control component that regulates power supply to the glow plugs in diesel engines. Its function is to switch high current to the glow plugs based on signals from the engine control unit (ECU), ensuring they heat up before and sometimes after engine start. This enables reliable cold starts and smoother engine operation.


    Key specifications include operating voltage (typically 12V or 24V), current capacity, number of outputs (for multiple glow plugs), connector type, and compatibility with the vehicle’s control system. The relay must handle high electrical loads and operate reliably in engine bay conditions, including temperatures from approximately -40°C to +125°C.


    Replacement is necessary when the relay fails to supply power correctly, causing issues such as difficult cold starts, glow plug warning lights, or engine fault codes. A faulty relay may also cause glow plugs to stay on too long or not activate at all. Diagnosis is usually confirmed through electrical testing or diagnostics.


    Porza offers a fit guarantee option where your vehicle details, such as license plate or VIN, are checked against product specifications. This ensures the relay matches your vehicle’s electrical system, connector type, and glow plug configuration, reducing the risk of incorrect fitment.


    Porza supplies high-quality electrical and engine components with fast delivery across Europe. Customers can order online or choose in-store pickup in the Netherlands, Germany, or Belgium. This allows quick access to essential parts for both professional workshops and individual users.


    If you select the fit guarantee, Porza verifies compatibility before shipment. If the product does not fit or meet expectations, it can be returned according to the return policy. This ensures a reliable and risk-free purchasing experience.


    WhatsApp
    Click to chat
    kenteken

    Straelseweg 52, 5911 CR
    Venlo
    The Netherlands

    Willem de Rijkelaan 15a, 5616 HH
    Eindhoven
    The Netherlands

    info@porza.nl
    085 401 1901
    KVK 0123456678
    BTW 01NL123435B1