Walker 245-1144 Mass Air Flow Sensor

Walker Mass Air Flow Assembly for Volvo and Cadillac

Walker Mass Air Flow Assembly Part Number 245-1144 is a direct-fit mass air flow sensor assembly for select Volvo, Cadillac, and Saturn applications. It is built with a housing included and a 5-terminal female connector layout for the listed vehicles.

Key Features

• Walker Mass Air Flow Assembly line for engine air metering applications
• Housing included for a complete assembly-style replacement
• 5-terminal female connector
• Fits select 2002-2013 Volvo C30, C70, S40, V50, and XC90 applications
• Fits 2003-2005 Cadillac CTS and 2002-2003 Saturn Vue applications
• Part Number 245-1144 for catalog and fitment lookup

Product Details

The Walker Mass Air Flow Assembly line is part of Walker Products’ engine management offering, backed by decades of fuel system and sensor manufacturing experience. Walker Products has supplied automotive aftermarket components since 1946 and produces parts to meet or exceed OEM standards and specifications, with engineering and product support focused on accurate vehicle application coverage. Part Number 245-1144 is a mass air flow sensor assembly intended for precise air measurement in the intake system on the listed Volvo, Cadillac, and Saturn models.

This part cross-references Delphi AF10161 and Standard Ignition MAS0251 for the same application. Use this listing when searching for a Volvo C30 mass air flow sensor assembly, Volvo S40 MAF sensor replacement, or Cadillac CTS mass air flow sensor Part Number 245-1144.

What It Helps Fix

• Rough idle caused by inaccurate incoming air measurement
• Hesitation or stumble during acceleration
• Check engine light related to mass air flow sensor performance
• Poor fuel trim behavior from incorrect airflow data
• Driveability issues on Volvo C30, C70, S40, V50, XC90, Cadillac CTS, and Saturn Vue applications

Installation Notes and Tips

Verify the connector style, terminal count, and chassis/VIN notes before ordering. This assembly uses a female connector and includes the housing; mounting hardware is not included. Confirm the exact vehicle application for 2004-2011 Volvo S40, 2005-2011 Volvo V50, 2004-2006 Volvo XC90, 2003-2005 Cadillac CTS, and 2002-2003 Saturn Vue fitments, as well as the VIN breakpoints listed for 2011 Volvo C30 and C70 models.

Quality Assurance

Walker Products is an ISO 9001/IATF 16949 certified manufacturer with in-house manufacturing, engineering, and product management support. The brand states its components are produced to meet or exceed OEM standards and specifications, with technical documentation and application accuracy maintained through its internal quality processes.