Walker 245-1405 Mass Air Flow Sensor

Walker Mass Air Flow Assembly for Porsche

Walker Mass Air Flow Assembly 245-1405 is a direct-fit mass air flow sensor assembly for select Porsche applications. It is built with a housing included and a 5-terminal female connector layout to support accurate airflow signal delivery in the engine management system.

Walker Products has supplied fuel system and engine sensor components since 1946, with manufacturing and engineering processes focused on OEM-level specifications. The Walker Mass Air Flow Assembly line is backed by product management and technical support for application accuracy and part consistency.

Key Features

• Mass air flow sensor assembly for engine air measurement
• Housing included for a complete assembly-style replacement
• 5-terminal female connector
• Walker part number 245-1405
• Fits 2007-2013 Porsche 911 and 2008-2010 Porsche Cayenne

Application Details

Compatible With 2007-2013 Porsche 911 and 2008-2010 Porsche Cayenne, this Walker Mass Air Flow Assembly 245-1405 supports the airflow signal used by the engine control system to manage fuel delivery and drivability. This part cross-references Standard Ignition MAS0395 for the same application.

What It Helps Address

• Rough idle caused by inaccurate airflow readings
• Hesitation or stumble during acceleration
• Check engine light related to mass air flow sensor performance
• Fuel trim issues from incorrect air measurement
• Poor throttle response in Porsche 911 and Porsche Cayenne applications

Installation Notes

Verify connector style, terminal count, and housing fitment before installation. This assembly does not include mounting hardware. Confirm the vehicle application against the part number 245-1405 and the listed Porsche 911 or Porsche Cayenne fitment before replacing the sensor.

Quality Assurance

Walker Products manufactures engine management components to meet or exceed OEM standards and specifications. The company is ISO 9001 and IATF 16949 certified, supporting controlled production and application accuracy for parts such as the Walker Mass Air Flow Assembly.