Walker 245-1137 Mass Air Flow Sensor

Walker Mass Air Flow Sensor 245-1137

Walker Mass Air Flow Sensor 245-1137 is a direct-fit engine management sensor for select Toyota and Lexus applications. It is built to meet or exceed OEM standards and specifications, with application support backed by Walker’s engineering and technical resources.

Key Features

• Mass air flow sensor for emission control and engine management systems
• 5-terminal female connector
• Mounting hardware included
• Housing not included
• Walker Mass Air Flow Sensor line from an ISO 9001/IATF16949 certified manufacturer

Product Details

The Walker Mass Air Flow Sensor line is focused on accurate fuel system and engine sensor replacement for import vehicles. Part number 245-1137 is engineered for select Toyota Camry, Toyota Solara, Toyota Avalon, Toyota Sienna, and Lexus ES300, GS300, GS400, LS400, SC300, and SC400 applications. This part cross-references Delphi AF10062 for the same application.

Compatible fitment includes 1997-2001 Toyota Camry, 1999-2003 Toyota Solara, 1997-1999 Toyota Avalon, 1998-2000 Toyota Sienna, 1997-1998 Lexus ES300, 1999-2001 Lexus ES300 without VVT timing, 1998-2000 Lexus GS300, 1998-2000 Lexus GS400, 1998-2000 Lexus LS400, 1998-2000 Lexus SC300, and 1999-2000 Lexus SC400. Additional fitment includes 1998 Lexus SC400 from 09/1997.

What It Helps Address

• Rough idle caused by inaccurate airflow readings
• Hesitation or poor throttle response
• Fuel trim issues from a failing airflow sensor
• Check engine light conditions related to air metering faults
• Driveability problems on Toyota Camry, Lexus ES300, and related applications

Installation Notes

Verify connector style, terminal count, and vehicle-specific fitment before installation. This sensor uses a 5-terminal female connector and includes mounting hardware; the housing is not included. Confirm the exact model year and engine configuration, especially for Lexus ES300 applications noted without VVT timing.

Quality Assurance

Walker Products has supplied fuel system and engine sensor components since 1946 and manufactures to OEM-level standards. The company supports its products with in-house manufacturing, product management, engineering, and technical documentation, and operates as an ISO 9001/IATF16949 certified company.