Walker 245-1412 Mass Air Flow Sensor

Walker Mass Air Flow Assembly for Porsche

The Walker Mass Air Flow Assembly, part number 245-1412, is a direct-fit engine management sensor assembly for select Porsche applications. It is built with the housing included and a 5-terminal female connector layout for a straightforward replacement on 2009-2012 Porsche Boxster and 2009-2012 Porsche Cayman models.

Key Features

• Walker Mass Air Flow Assembly, part number 245-1412
• Housing included for a complete sensor assembly replacement
• 5-terminal female connector configuration
• Fits 2009-2012 Porsche Boxster
• Fits 2009-2012 Porsche Cayman
• Engineered by Walker Products, a long-time fuel system and engine sensor manufacturer

Product Details

Walker Products has supplied fuel system and engine management components since 1946, with manufacturing and engineering support focused on meeting OEM standards and specifications. The Walker Mass Air Flow Assembly line is part of that product range, giving technicians and owners a replacement option for air metering service on Porsche Boxster and Porsche Cayman models. Part number 245-1412 is listed with a female 5-terminal connector and housing included, which helps match the original assembly style during service.

This part cross-references Standard Ignition MAS0453 for the same application.

Common Issues This Part May Address

• Rough idle caused by inaccurate airflow measurement
• Hesitation or poor throttle response during acceleration
• Check engine light related to mass air flow sensor performance
• Reduced fuel economy from incorrect air-fuel calculations
• Driveability problems after sensor contamination or electrical failure

Installation Notes and Tips

Verify connector style, terminal count, and housing configuration before installation. Inspect the intake tract for dirt, oil residue, or air leaks that can affect sensor readings. Follow the vehicle service procedure for the 2009-2012 Porsche Boxster and 2009-2012 Porsche Cayman, and confirm all electrical connections are fully seated after replacement.

Quality Assurance

Walker Products is an ISO 9001 and IATF 16949 certified manufacturer with in-house product management and engineering support. Its engine sensor and fuel system components are produced to meet or exceed OEM standards and specifications. Part number 245-1412 reflects that manufacturing approach for Porsche air metering service.