Helpdesk code:

09565

Glow Plug

Product number: GN948
ART: GN948 / EAN: 4014427024958

Price incl. vat.
€ 13,25

In stock

Shipping method	Delivery time	Stock
Pickup in Central Warehouse	10-5-2026	Central warehouse
Pickup in Porza Pelt-Belgium	10-5-2026	Central warehouse
Pickup in Porza - Old	Direct	9
Pickup in Porza Koln-Germany	10-5-2026	Central warehouse
Shipping	13-5-2026	9

Leverdatum: 13-05-2026

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Expresslevering

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Expresslevering

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Expresslevering

DPD Nederland

Expresslevering

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Manufacturer	Model	Version	Engine code	Construction type	Construction start	Construction end	Pk	Power kw
MERCEDES-BENZ

Manufacturer	Productnumber
MERCEDES-BENZ	001 159 20 01 , 0011592001
MERCEDES-BENZ	001 159 21 01 , 0011592101
MERCEDES-BENZ	A 001 159 20 01 , A0011592001
MERCEDES-BENZ	A 001 159 21 01 , A0011592101

Usage numbers
0 100 226 235
0100 226 210
E2519226235A1
GN 948
2051127024958
4014427024958
4014427095590
4014427095606

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Glow Plug

The Glow Plug (GN948) supports reliable cold starting in diesel engines. Replacing worn glow plugs improves starting performance and reduces emissions. Use Porza’s smart search to find the correct plugs.

FAQ

A glow plug is a heating element used in diesel engines to assist with starting. Its function is to heat the air inside the combustion chamber before and during engine start, ensuring proper ignition of the fuel-air mixture, especially in cold conditions. This improves starting performance, reduces emissions, and ensures smoother engine operation.

Key specifications include voltage (typically 4.4V–12V depending on system), thread size (such as M8, M10, or M12), overall length, heating element type (metal or ceramic), and connector type. Glow plugs must withstand extremely high temperatures (often exceeding 800–1000°C) and rapid heating cycles while maintaining durability and reliability.

Replacement is necessary when the glow plug fails or loses efficiency. Common symptoms include difficult cold starts, rough idling after startup, increased smoke, or glow plug warning lights. It is often recommended to replace glow plugs in sets to maintain consistent performance.

Porza offers a fit guarantee option where your vehicle details, such as license plate or VIN, are checked against product specifications. This ensures the glow plug matches the correct dimensions, voltage, and compatibility with your engine, reducing the risk of incorrect fitment.

Porza supplies high-quality ignition 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 and reliable maintenance 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.

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

Vehicle equipment	for vehicles with immobilizer
Rated current (A)	15
Fitting depth (mm)	28
Tightening torque to (Nm)	25
Tightening torque from (Nm)	15
Cone pitch	63
Voltage (V)	11.5
Glow plug type	pencil-type glow plug after-glow capable
Spanner size	12 mm
Thread size	m12x1,25
Length (mm)	115
Connector type	4 mm pin
Failure moment (Nm)	45

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