Audi A4 B7 Air Flow Mass Meter Sensor 074906461B

The Audi A4 B7 Air Flow Meter is a component from the Air and Fuel Intake Sensors category, designed for precise measurement of the amount of air drawn into Audi engines. A properly selected air flow meter ensures stable engine operation, correct fuel dosing, and predictable throttle response. This model, from the Audi line, is a solution for users seeking a proven, used component with factory performance characteristics.

Specifications and technical data

• SKU: 074906461B
• Mark: Audi
• Condition: Used
• OEM Part Number: 074906461B
• Substitutable numbers: 074906461B, 074 906 461 B, 0281002461, 0 281 002 461
• Category: Air Intake & Fuel Sensors

Purpose and Role of the Air Flow Meter in the Audi A4 B7

The Audi A4 B7 Air Flow Meter is responsible for accurately measuring the mass of air drawn in by the engine, allowing the control unit to select the appropriate fuel dose. A correctly functioning sensor translates to:

• stable idle speed,
• smooth acceleration without jerking,
• more predictable response to the accelerator pedal,
• maintenance of the correct fuel-air mixture composition.

Replacing a worn air flow meter with a functional component from the same product line allows for the restoration of factory engine operating parameters without interfering with the control unit's software.

Benefits of Using an Original Air Intake Sensor

The air flow meter in this series has been designed specifically for the requirements of Audi powertrains, meaning tailored signal characteristics and proper cooperation with the factory engine control unit. Using an original air and fuel intake sensor ensures:

• consistency with factory ECU calibration – no need for adaptation of non-factory maps,
• adequate dynamics across the full RPM range,
• reduced risk of diagnostic errors related to incorrect air mass readings,
• easier diagnostics in case of future intake system malfunctions.

For users who want to maintain their vehicle in a configuration close to factory settings, using such a sensor is a technically safe and predictable solution.

Used Condition – A Practical Approach to Servicing

The offered air flow meter is a used component, which significantly reduces repair costs compared to a new component, while maintaining factory construction. This is a sensible choice for drivers who:

• are looking for parts with parameters similar to those fitted from the factory,
• want to limit service costs without compromising on original specifications,
• prefer proven solutions over cheap aftermarket alternatives with uncertain characteristics.

Before installation, standard servicing procedures are recommended: checking the electrical system, intake system tightness, and performing air flow meter adaptation in the control unit, if the system requires it.

Selection by Numbers and Electronic Compatibility

The air flow meter should always be selected based on the manufacturer's markings, part number, and catalog data to ensure full compatibility with the specific engine version. If in doubt, it is advisable to use the VIN number and service documentation, which minimizes the risk of installing an incorrect sensor.

For users who want to deepen their knowledge on selecting and installing used electronic components, including sensors, we have prepared a practical guide. Detailed information on verifying compatibility, selection by numbers, and frequently asked questions can be found in the article “Used Automotive Electronics On Board – Why Choose Second-Hand ECUs and Sensors?”.

Other Audi Air and Fuel Intake Sensors

If you are looking for other Audi air and fuel intake sensors for your car, check out our dedicated offer. You can find a full list of products in this category here: Audi Air and Fuel Intake Sensors.