Walker 245-1176 Mass Air Flow Sensor

Walker Mass Air Flow Assembly 245-1176

Walker Mass Air Flow Assembly 245-1176 is a direct-fit engine sensor assembly for select Buick, Cadillac, and related applications. It is built with a 5-terminal female connector and includes mounting hardware, making it a practical replacement for diagnosing or restoring airflow signal accuracy in the intake system.

Key Features

• Mass Air Flow Sensor assembly from Walker
• Part number 245-1176 for application-specific replacement
• 5-terminal female connector
• Mounting hardware included
• No housing included
• Fits select 2004-2008 Buick and Cadillac models

Walker Mass Air Flow Assembly Line

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 develops components to meet or exceed OEM standards and supports production with in-house engineering, product management, and technical resources. Part number 245-1176 reflects that focus on accurate fitment and dependable sensor replacement.

Fitment Details

• Fits 2005-2008 Buick Allure, N/A. Complete Assembly.
• Fits 2005-2008 Buick LaCrosse, N/A. Walker Mass Air Flow Assembly.
• Fits 2004-2006 Buick Rendezvous, N/A. Walker Mass Air Flow Assembly.
• Fits 2005-2007 Cadillac CTS, N/A. Walker Mass Air Flow Assembly.
• Fits 2005-2007 Cadillac STS, N/A. Walker Mass Air Flow Assembly.
• Fits 2004-2006 Cadillac SRX, N/A. Walker Mass Air Flow Assembly.
• Fits 2005 Cadillac CTS, N/A. Fits 2nd Design Mass Air Flow Sensor; Walker Mass Air Flow Assembly.

What It Helps Address

• Unstable idle caused by inaccurate airflow readings
• Reduced acceleration response from a failing MAF sensor
• Check engine light related to mass air flow performance
• Poor fuel trim behavior from incorrect intake air measurement
• Driveability issues on Buick Allure, Buick LaCrosse, and Cadillac CTS applications

Installation Notes

Verify connector style, terminal count, and vehicle application before installation. This assembly uses a female connector and 5 terminals, and the housing is not included. Confirm the vehicle’s design revision where applicable, including the 2005 Cadillac CTS second-design requirement, before replacing the sensor.

Quality Assurance

Walker Products has supplied fuel system and engine sensor components since 1946 and manufactures to meet or exceed OEM standards and specifications. The company is ISO 9001/IATF16949 certified and supports its parts with engineering and technical resources.