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Part #: 245-2168

Walker 245-2168 Mass Air Flow Sensor

Walker Mass Air Flow Sensor
26 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Walker Mass Air Flow Sensor
Fitment: Audi, A4 Quattro, A4, Allroad Quattro, A6, A6 Quattro, and S4
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Overview of Walker Mass Air Flow Sensor 245-2168

The Walker Mass Air Flow Sensor 245-2168 is designed for precise air measurement in select Audi models. This sensor helps maintain optimal engine performance by accurately monitoring the amount of air entering the engine.

  • Compatible with Audi A4, A4 Quattro, A6, A6 Quattro, Allroad Quattro, and S4 models
  • Includes mounting hardware for straightforward installation
  • Features a 5-terminal female connector for reliable electrical connection
  • Housing not included, designed for direct replacement

Walker Mass Air Flow Sensor Product Line Details

The Walker Mass Air Flow Sensor line focuses on emission control sensors that meet OEM specifications. The 245-2168 part is engineered to provide accurate airflow readings critical for engine management systems, supporting emission compliance and fuel efficiency in Audi vehicles.

Detailed Product Description

This mass air flow sensor measures the volume and density of air entering the engine, enabling the engine control unit to adjust fuel injection accordingly. The 5-terminal female connector ensures compatibility with the vehicle’s wiring harness, while included mounting hardware simplifies replacement. Note that the sensor housing is not included, so the existing housing must be reused during installation.

Common Applications and Issues Addressed

  • Restores accurate air flow measurement for proper fuel mixture
  • Resolves engine hesitation or stalling related to faulty MAF sensors
  • Helps correct rough idling caused by incorrect air intake readings
  • Improves emission control by providing precise sensor data
  • Eliminates check engine light triggers related to mass air flow sensor faults

Installation Notes and Tips

Installation requires removal of the old sensor and reuse of the existing housing since it is not included. The included mounting hardware ensures secure attachment. Ensure the 5-terminal female connector is properly seated to avoid electrical issues. It is recommended to handle the sensor carefully to prevent damage to the sensing elements.

Quality Assurance and Warranty

Walker mass air flow sensors are manufactured to meet strict quality standards for emission control components. The 245-2168 part number undergoes rigorous testing to ensure durability and accurate performance. Warranty details should be confirmed with the point of purchase or manufacturer documentation.

BrandWalker
Part Number245-2168
PositionWalker Mass Air Flow Sensor
Connector GenderFemale
Housing IncludedNo
Mounting Hardware IncludedYes
Terminal Quantity5

This part fits 26 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2006AudiA4 Quattro3.0LV6N/AWalker Mass Air Flow Sensor
2005AudiA43.0LV6N/AWalker Mass Air Flow Sensor
2005AudiA4 Quattro3.0LV6N/AWalker Mass Air Flow Sensor
2005AudiAllroad Quattro2.7LV6N/AWalker Mass Air Flow Sensor
2004AudiA43.0LV6N/AWalker Mass Air Flow Sensor
2004AudiA4 Quattro3.0LV6N/AWalker Mass Air Flow Sensor
2004AudiA63.0LV6N/AWalker Mass Air Flow Sensor
2004AudiA6 Quattro3.0LV6N/AWalker Mass Air Flow Sensor
2004AudiA6 Quattro2.7LV6N/AWalker Mass Air Flow Sensor
2004AudiAllroad Quattro2.7LV6N/AWalker Mass Air Flow Sensor
2003AudiA43.0LV6N/AWalker Mass Air Flow Sensor
2003AudiA4 Quattro3.0LV6N/AWalker Mass Air Flow Sensor
2003AudiA63.0LV6N/AWalker Mass Air Flow Sensor
2003AudiA6 Quattro3.0LV6N/AWalker Mass Air Flow Sensor
2003AudiA6 Quattro2.7LV6N/AWalker Mass Air Flow Sensor
2003AudiAllroad Quattro2.7LV6N/AWalker Mass Air Flow Sensor
2002AudiA43.0LV6N/AWalker Mass Air Flow Sensor
2002AudiA4 Quattro3.0LV6N/AWalker Mass Air Flow Sensor
2002AudiA63.0LV6N/AWalker Mass Air Flow Sensor
2002AudiA6 Quattro3.0LV6N/AWalker Mass Air Flow Sensor
2002AudiA6 Quattro2.7LV6N/AWalker Mass Air Flow Sensor
2002AudiAllroad Quattro2.7LV6N/AWalker Mass Air Flow Sensor
2002AudiS42.7LV6N/AWalker Mass Air Flow Sensor
2001AudiA6 Quattro2.7LV6N/AWalker Mass Air Flow Sensor
2001AudiAllroad Quattro2.7LV6N/AWalker Mass Air Flow Sensor
2001AudiS42.7LV6N/AWalker Mass Air Flow Sensor

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

74500448650044

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.