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Hella Mass Air Flow Sensor - 8ET009149-441

Hella Mass Air Flow Sensor - 8ET009149-441

The Hella Mass Air Flow Sensor (8ET009149-441) is engineered to meet OE-quality standards, ensurin...

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eBayAir flow meter 8ET 009 149-441 HELLA for VW SEAT SKODA AUDI
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Product Information

Full details

The Hella Mass Air Flow (MAF) Sensor 8ET009149-441 is designed for vehicle owners and mechanics seeking OE-quality replacement parts to maintain precise air intake monitoring and engine efficiency. This component delivers reliable sensor readings, which are critical for proper fuel-air mixture management in modern engines. While it is a high-durability unit backed by Hella’s extensive automotive electronics expertise, its installation requires technical proficiency and strict adherence to vehicle-specific compatibility requirements.

All features

Model Part Number8ET009149-441
BrandHELLA

Extended Product Information

FAQs

What does the 80 mm measurement refer to?

This refers to the diameter of the suction pipe connector, which must match your vehicle's intake duct diameter for a proper, airtight seal.

Can I install this sensor myself?

If you have basic automotive mechanical skills, it is possible; however, Hella recommends that assembly and disassembly be performed by qualified personnel to avoid damage to sensitive electronics.

How often should a MAF sensor be replaced?

There is no fixed interval, but you should replace it if you notice consistent performance drops, poor fuel economy, or if your diagnostic tool points to a faulty MAF signal.

Is the 4-pin connector universal?

No, the 4-pin connector is specific to certain vehicle wiring harnesses. Always verify compatibility with your vehicle's specific MPN or part number.

Does this sensor require calibration?

Generally, the ECU will adapt to the new sensor, but it is best practice to clear previous trouble codes via an OBD-II scanner after installation.

Troubleshooting

Engine stalls or experiences rough idling after installation.

Ensure the 4-pin connector is seated firmly and that no air leaks exist in the intake ducting near the sensor.

Check Engine Light remains on after replacement.

Use an OBD-II scan tool to clear the fault codes stored in the ECU; the computer may need time to calibrate to the new sensor readings.

Poor fuel economy persists.

Verify that there are no downstream vacuum leaks and check the air filter for obstructions that might affect airflow through the sensor.

Pros and Cons

Pros

  • Meets rigorous OE-quality performance standards
  • High durability and long-term reliability
  • Precise air intake measurements improve fuel efficiency
  • Designed for exact fitment and seamless integration

Cons

  • Requires professional or qualified mechanical expertise for installation
  • Compatibility is highly specific to certain vehicle makes and models
  • Does not include mounting hardware or gaskets if not specified

Setup, Compatibility & Care

Before purchasing or attempting installation, always verify the compatibility of the 8ET009149-441 with your specific vehicle’s VIN or engine code. Because this part involves delicate electronics, installation should only be performed by qualified personnel.

  1. Ensure the engine is cool before beginning work.
  2. Locate the air intake hose between the air filter box and the engine intake manifold.
  3. Disconnect the negative battery terminal to prevent electrical shorts.
  4. Unplug the 4-pin connector and carefully remove the existing sensor.
  5. Inspect the 80 mm suction pipe housing for debris or oil residue; clean if necessary before installing the new sensor.
  6. Secure the new unit and reconnect the wiring harness firmly.
  7. Always clear any existing trouble codes from the ECU using an OBD-II scanner after the new sensor is installed.

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