Walker Products 245-1040 mass air flow sensor for the 1995-1998 Mazda Protege 4-cylinder 1.5L and other vehicles measures the air entering the engine. The ECU uses that reading to adjust the air-fuel ratio.
- Sensor and housing assembly
- Custom-engineered circuit boards and programming
- Each sensor is 100% programmed and tested for fit, form and function before sale
- Custom-tuned flow characteristics across the full flow spectrum
- Calibrations go through 100% production testing and are verified with on-vehicle testing
Quick facts
- Part: Walker Products 245-1040 mass air flow sensor
- Fits: 1995-1998 Mazda Protege 4-cylinder 1.5L and other vehicles
- Condition: New
A failing sensor can show up as a rough idle, hesitation, poor fuel economy or a check engine light. These signs alone do not prove the sensor is the problem; a vacuum leak can produce them as well.
Fits
This three-terminal mass air flow sensor assembly fits the 1994-1997 Ford Aspire 4-cylinder 1.3L and the 1993-1997 Mazda 626 4-cylinder 2.0L, and each takes one. If your car is not one of these, look it up in the "Vehicles it fits" section on this page.
Specifications
Fit and size
- Quantity per vehicle: 1
- Terminal quantity: 3
- Connector gender: Female
Build and materials
- Type: mass air flow sensor assembly with housing
- Condition: New
- Country of origin: China
In the box
One mass air flow sensor assembly with its housing. Mounting hardware is not included, and the old hardware may not be reusable, so plan on new pieces.
Installation notes
- Keep skin oils off the sensor itself, because oils from your hands can damage it.
- The assembly is designed for straightforward installation.
Interchange: 213-3346 · 157-0236 · 157-0372 · 158-1101 · 74-10019 · 74-10023 · 917-896
5S2663 · 5S2747 · 5S2756 · 221001M · MF21001 · MF21001N · AF10030 · B3H713215R00 · F32Z12B579A · F4BZ12B579A · B3H713215 · MA143 · SU2056 · SU5094
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
213-3346, 5S2663, 5S2747, 5S2756, 221001M, 157-0236, 157-0372, 158-1101, MF21001, MF21001N, 74-10019, 74-10023, AF10030, 917-896, B3H713215R00, F32Z12B579A, F4BZ12B579A, B3H713215, MA143, SU2056, SU5094
Frequently Asked Questions
Is this the right mass air flow sensor for the 1993-1997 Mazda 626 4-cylinder 2.0L?
Yes. Walker Products 245-1040 fits the 1993-1997 Mazda 626 4-cylinder 2.0L, and that engine takes one sensor.
Is the housing included with the Walker Products 245-1040 sensor?
Yes. Walker Products 245-1040 comes as a sensor assembly with its housing. Mounting hardware is not included.
What kind of connector does this mass air flow sensor have?
The connector is female and has 3 terminals.
Does handling matter when installing this mass air flow sensor?
Yes. Oils from your hands can damage the sensor itself, so keep your fingers off it during installation.
Is 213-3346 an interchange number for this sensor?
Yes. 213-3346 is one of the numbers that Walker Products 245-1040 replaces, and the other numbers are on the Interchange line.
