Walker 245-1237 Mass Air Flow Sensor

Walker Mass Air Flow Sensor 245-1237

Walker Mass Air Flow Sensor 245-1237 is a direct-fit engine management replacement for select Suzuki and Chevrolet applications. It is built for vehicles that need accurate airflow signal input to support proper fuel delivery and drivability.

Key Features

• Mass air flow sensor for emission control and engine management systems
• 3-terminal design with female connector
• Mounting hardware included
• No housing included
• Built by Walker Products, an ISO 9001/IATF16949 certified manufacturer

Product Details

The Walker Mass Air Flow Sensor line is backed by Walker Products’ long history in fuel system and engine sensor manufacturing. Part number 245-1237 is engineered to meet or exceed OEM standards and specifications, with product management and engineering support focused on accurate applications and technical documentation. This sensor is used on select 1996-2005 Suzuki Sidekick, Suzuki Esteem, Suzuki Grand Vitara, Suzuki Vitara, and 2001-2004 Chevrolet Tracker models. This part cross-references Spectra Premium MA256 for the same application.

What It Helps Fix

• Rough idle caused by incorrect airflow signal input
• Hesitation or stumble during acceleration
• Fuel trim issues related to inaccurate air measurement
• Check engine light concerns tied to mass air flow sensor performance
• Poor drivability on Suzuki Grand Vitara, Tracker, Esteem, Sidekick, and Vitara applications

Installation Notes

Verify connector style, terminal count, and mounting location before installation. This sensor uses a female connector and 3 terminals, and it does not include a housing. Confirm vehicle fitment by year and model before replacing the original unit. Fits 1999-2005 Suzuki Grand Vitara, N/A; Fits 2001-2004 Chevrolet Tracker, N/A; Fits 2004 Suzuki Vitara, N/A; Fits 1999-2002 Suzuki Esteem, N/A; Fits 1996-1998 Suzuki Sidekick, N/A.

Quality Assurance

Walker Products has supplied automotive fuel system components and engine sensors since 1946 and manufactures to meet or exceed OEM standards and specifications. The company supports its parts with in-house manufacturing, engineering, and technical documentation processes.