Walker 245-1661 Mass Air Flow Sensor

Walker 245-1661 Sensor Only MAF

Walker 245-1661 is a sensor-only mass air flow sensor for select Land Rover applications. It is built as a new, programmed, and tested replacement sensor for accurate airflow measurement and OE-style engine management performance.

Key Features

• Sensor-only mass air flow sensor
• Black housing color
• 1 rectangular male connector
• 5 terminals with spade-type terminals
• 2 mounting holes
• No housing included
• No mounting hardware included

Product Details

Walker’s Sensor Only line is designed for buyers who need a direct replacement sensor without replacing the full housing assembly. Part number 245-1661 is engineered and production-tested for fit, form, and function, with calibrated flow characteristics to match the vehicle’s air metering requirements. Walker also manufactures many of its high-demand MAF sensors in the USA using OEM-quality components and custom circuit board programming. This part cross-references Genuine PHF000140 for the same application.

Compatible With 2008-2012 Land Rover LR2, 2005-2009 Land Rover LR3, 2005-2009 Land Rover Range Rover, and 2006-2009 Land Rover Range Rover Sport. If you are searching for a Land Rover LR2 mass air flow sensor replacement or a Land Rover Range Rover Sport MAF sensor, Walker 245-1661 is the sensor-only option to review.

Common Issues This Part May Address

• Rough idle caused by inaccurate airflow readings
• Check engine light related to mass air flow sensor faults
• Poor throttle response from incorrect air metering
• Fuel trim concerns tied to a failing MAF sensor
• Driveability problems after contamination or sensor wear

Installation Notes and Tips

Sensor-only replacement is typically faster and more economical than replacing the complete housing assembly. Before installation, inspect the air tube and connector area for dirt, oil residue, or damage, since contamination can affect sensor performance. Handle the sensing element carefully and avoid touching it with bare hands. Verify connector shape, terminal count, and mounting style against the original part before installation.

Quality Assurance

Walker Products has supplied fuel system and engine sensor components since 1946 and is an ISO 9001/IATF 16949 certified manufacturer. This MAF sensor is 100% new, programmed, and tested before sale, with on-vehicle verification used during calibration development.