Walker 245-1233 Mass Air Flow Sensor

Walker Mass Air Flow Assembly 245-1233

Walker Mass Air Flow Assembly 245-1233 is a direct-fit mass air flow sensor assembly for select Volvo applications. It is built with a 5-terminal female connector and includes the housing, making it a practical replacement for diagnosing airflow-related drivability concerns on Volvo S60, V70, S80, and XC90 models.

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 broader engine sensor portfolio, giving buyers a replacement option backed by ISO 9001/IATF16949 certified production practices.

Key Features

• Mass air flow sensor assembly for emission control and engine management service
• Housing included for a complete assembly-style replacement
• 5-terminal female connector for the listed applications
• Walker part number 245-1233 for catalog and service reference
• Cross-references Bosch 0280218089 and Delphi AF10161 for the same application

Fitment Details

• Fits 2004-2009 Volvo S60, N/A
• Fits 2004-2007 Volvo V70, N/A
• Fits 2002-2006 Volvo S80, N/A
• Fits 2003-2005 Volvo XC90, N/A
• Fits 2002-2003 Volvo S80, N/A; fitment note: compatible with OE number 86701140

What This Part Helps Address

• Rough idle caused by inaccurate airflow readings
• Hesitation or sluggish throttle response
• Check engine light concerns related to air metering
• Fuel trim issues from a failing mass air flow sensor
• Driveability problems on Volvo S60, V70, S80, and XC90 models

Installation Notes

Verify connector style, terminal count, and OE reference before installation. This assembly uses a female connector and includes the housing; mounting hardware is not listed as included. Confirm the vehicle’s air intake configuration and clear any stored fault codes after replacement. For best results, inspect the intake tract for contamination or leaks that could affect sensor readings.

Quality Assurance

Walker Products manufactures engine sensors and fuel system components to meet or exceed OEM standards and specifications. The company’s ISO 9001/IATF16949 certified quality system supports consistent production, application data, and technical support for parts such as the Walker Mass Air Flow Assembly 245-1233.