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Mass Air Flow Sensor

Product number: 8ET 009 142-861
ART: 8ET 009 142-861 / EAN: 4082300311440

Price incl. vat.
€ 72,42

Core Charge 0.00

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Leverdatum: 30-04-2026

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

Manufacturer	Productnumber
SEAT	028 906 461 X , 028906461X
SEAT	289 064 61 , 28906461
VW	028 906 461 , 028906461
VW	028 906 461 X , 028906461X
SKODA	028 906 461 X , 028906461X
SKODA	289 064 61 , 28906461
AUDI	028 906 461 , 028906461
AUDI	028 906 461 X , 028906461X

Usage numbers
8ET009 142-861
8ET 009 142-861
4
0823E+12

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Mass Air Flow Sensor

The Mass Air Flow Sensor (8ET 009 142-861) 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

Number of pins ()	5
Number of pins (-polig)	5
Mounting type	bolted
Induction pipe connector Ø (mm)	70

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