Walker 245-1619 Mass Air Flow Sensor

Walker 245-1619 Mass Air Flow Sensor

Walker 245-1619 is a complete assembly mass air flow sensor for select Land Rover applications. It is built as a new, tested replacement with the housing included, making it a direct option for drivers servicing the air metering system on Defender, Range Rover, Range Rover Sport, Discovery, and Range Rover Velar models.

Key Features

• Complete assembly design with housing included
• Black plastic housing with oblong connector shape
• Blade terminals, 4 terminal count, 1 connector
• Male connector gender
• 100% new sensor, not remanufactured
• Programmed and tested for fit, form, and function before release
• Custom tuned flow characteristics for the full flow range
• Built to meet or exceed OE long-term fuel trim targets

Product Details

The Walker Complete Assembly line is built for replacement applications where the sensor and housing are serviced together. Walker Products manufactures many of these MAF sensors in the USA using OEM-quality components, custom engineered circuit boards, and production testing that verifies calibration on vehicle. Part number 245-1619 is engineered for accurate airflow measurement, which is critical for fuel delivery and engine management on Land Rover Defender 110, Defender 130, Defender 90, Range Rover, and Range Rover Sport applications.

This part cross-references Gates 19887 for the same application.

What It Helps Fix

• Rough idle caused by inaccurate airflow readings
• Check engine lights related to mass air flow sensor performance
• Hesitation or poor throttle response during acceleration
• Fuel trim issues from incorrect air metering
• Driveability problems tied to contaminated or failing MAF hardware

Installation Notes

Fits 2022-2025 Land Rover Defender 110, N/A, Complete Assembly. Fits 2024-2025 Land Rover Defender 130, N/A, Complete Assembly. Fits 2022-2025 Land Rover Defender 90, N/A, Complete Assembly. Fits 2016-2022 Land Rover Range Rover, N/A, Complete Assembly. Fits 2016-2022 Land Rover Range Rover Sport, N/A, Complete Assembly. Fits 2017-2020 Land Rover Discovery, N/A, Complete Assembly. Fits 2018-2020 Land Rover Range Rover Velar, N/A, Complete Assembly.

Before installation, inspect the intake tract and connector for contamination, damaged terminals, or air leaks. Because this is a complete assembly, replacing the housing can help ensure the sensor is installed into a clean air path. Avoid touching the sensing element and verify the connector locks fully into place.

Quality Assurance

Walker Products has supplied fuel system components since 1946 and is an ISO 9001 / IATF 16949 certified manufacturer. The 245-1619 is 100% new, programmed, and tested before sale, with calibration verified through production and on-vehicle testing.