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Mass Air Flow Sensor

Product number: AF10251-12B1
ART: AF10251-12B1 / EAN: 5012759523216

Price incl. vat.
€ 94,36

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Leverdatum: 04-06-2026

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Mass Air Flow Sensor TOPRAN 110 888)

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Mass Air Flow Sensor HELLA 8ET 009 142-571)

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Mass Air Flow Sensor BOSCH 0 281 006 759)

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Mass Air Flow Sensor NTK 91609)

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Mass Air Flow Sensor AUTLOG LM1034)

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Mass Air Flow Sensor BOSCH 0 281 002 461)

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Manufacturer	Model	Version	Engine code	Construction type	Construction start	Construction end	Pk	Power kw
AUDI
FORD
SEAT
SKODA
VW

Manufacturer	Productnumber
FORD	1209109
FORD	3M2112B529AA
SEAT	074 906 461B , 074906461B
SEAT	074 906 461BX , 074906461BX
VW	074 906 461B , 074906461B
VW	074 906 461BX , 074906461BX
SKODA	074 906 461B , 074906461B
SKODA	074 906 461BX , 074906461BX
AUDI	074 906 461B , 074906461B
AUDI	074 906 461BX , 074906461BX
VAG	074 906 461B , 074906461B
VAG	074 906 461BX , 074906461BX

Usage numbers
AF10251-12B1
5
01276E+12

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Mass Air Flow Sensor

The Mass Air Flow Sensor (AF10251-12B1) measures the exact air intake for precise fuel injection control. Replacing it with a Porza-quality unit restores smooth performance, efficiency, and emissions stability.

FAQ

A mass air flow (MAF) sensor is an electronic component that measures the amount and density of air entering the engine. Its function is to send this data to the engine control unit (ECU), which uses it to calculate the correct amount of fuel needed for optimal combustion, performance, and emissions.

Key specifications include sensor type (hot wire or hot film), operating voltage (typically 12V), measurement range, connector type, and compatibility with the vehicle’s ECU. The sensor must provide accurate readings under varying conditions and withstand temperatures typically ranging from -40°C to +120°C.

Replacement is necessary when the sensor becomes faulty, contaminated, or damaged. Common symptoms include rough idling, poor acceleration, increased fuel consumption, reduced engine power, or a check engine light. In some cases, cleaning the sensor may restore performance, but replacement is required if the issue persists.

Porza offers a fit guarantee option where your vehicle details, such as license plate or VIN, are checked against product specifications. This ensures the sensor matches your engine and ECU requirements, reducing the risk of incorrect fitment.

Porza supplies high-quality engine management 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 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.

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

Weight	0.41 kg
Number of pins ()	5
Number of pins (-polig)	5
Voltage (V)	12
Recommended additional repairs	air filter
Housing type	with housing
Housing colour	black
Plug type	male
Weight	0.41 kg

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