Help your engine computer get an accurate read on incoming air with the Walker Products Mass Air Flow Sensor 245-2015. This new, sensor-only replacement fits many vehicles, among them the 1991-1994 Ford Explorer V6-4.0L, 1990-1995 Ford Ranger V6-4.0L and 1990-1995 Ford Aerostar V6-4.0L. See the "Vehicles it fits" section for the full list of applications.
The MAF sensor measures the air entering the engine so the engine control module can meter fuel to match. The housing is not included. Replacement Torx® screws and the tools to install them are included. Handle the sensing element carefully, because oils from your hands can damage it.
- 100% new: Each sensor is programmed and tested for fit, form, and function before it is offered for sale.
- Tuned calibration: Walker custom-tunes the flow characteristics across the full flow spectrum. Calibrations go through 100% production testing and are verified with on-vehicle testing.
- OE-level accuracy: Engineered and tested against OE performance and durability standards. Walker states its MAFs meet or exceed OE long-term fuel trim percentages.
- Connection and hardware: 4-terminal female connector. Mounting hardware is included.
Signs a MAF sensor may need replacing include rough idle, hesitation, stalling, poor fuel economy, or a check engine light. These symptoms can have other causes, so diagnose the problem before replacing the sensor. The listed applications use one sensor. Walker is an ISO 9001/IATF16949 certified manufacturer. Country of origin: China.
Interchange: 105-163-M3 · 105-173-W4
105163M3 · 105173W4 · MF0373N · 86001
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
MF0373N, 105-163-M3, 105-173-W4, 86001
Frequently Asked Questions
Does the 245-2015 include the MAF housing?
No. This is a sensor-only replacement, so the housing is not included. It comes with replacement Torx® screws and the tools to install them.
Is this the right Ranger sensor for a 1990-1995 Ford Ranger V6-4.0L?
Yes. It's listed for the 1990-1995 Ford Ranger V6-4.0L, plus the 1991 Ford Ranger L4-2.3L and the 1991 and 1993-1994 Ford Ranger V6-3.0L. Check the "Vehicles it fits" section for the full list.
Is this Walker MAF sensor new?
Yes. Walker MAF sensors are 100% new, and each one is programmed and tested for fit, form, and function before it is offered for sale.
What are signs a mass air flow sensor may need replacing?
Common signs include rough idle, hesitation, stalling, poor fuel economy, or a check engine light. These can have other causes, so diagnose the problem before replacing the sensor.
Where is the Walker Products 245-2015 made?
The country of origin for this sensor is China. Walker is an ISO 9001/IATF16949 certified manufacturer and has supplied automotive fuel system components since 1946.
