Walker Products 245-1426 mass air flow sensor for the 2008-2009 Saturn Astra 4-cylinder 1.8L and other vehicles measures the air entering the engine and sends that reading to the ECU. The ECU uses the air flow data to help set the air-fuel mix.
- Sensor and housing assembly with a 4-terminal female connector
- Programmed and tested for fit, form and function before it is sold
- Custom engineered circuit board and programming
- Flow characteristics custom tuned for the full flow spectrum
- Calibrations go through 100% production testing and on-vehicle verification
Quick facts
- Part: Walker Products 245-1426 mass air flow sensor
- Fits: 2008-2009 Saturn Astra 4-cylinder 1.8L and other vehicles
- Condition: New
A failing mass air flow sensor can show up as a rough idle, hesitation or a check engine light. Before you replace the sensor, rule out a leak in the intake tract or a restricted air filter, which can produce similar symptoms.
Fits
It fits the 2008-2009 Saturn Astra 4-cylinder 1.8L and the 2008 Chevrolet Astra 4-cylinder 1.8L. The 1.8L engine takes a single sensor, and this listing is one sensor.
Specifications
Fit and size
- Terminal quantity: 4
- Connector gender: Female
- Quantity per vehicle: 1
Build and materials
- Type: Sensor and housing assembly
- Condition: New
- Country of origin: China
In the box
One mass air flow sensor with its housing. Mounting hardware is not included, so plan on new fasteners instead of reusing the old ones.
Installation notes
- Oils from your hands can damage the sensor, so handle it with care.
- Some vehicle manufacturers recommend replacing the complete housing assembly so the connector air tubes are clean.
- The assembly is designed for straightforward installation.
Interchange: 74-10163
93185443 · 55353813 · MF21194 · FDM978 · 86193 · 836647 · MAS0273 · MA388 · 19749 · 5WK97012Z
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
93185443, 55353813, MF21194, 74-10163, FDM978, 86193, 836647, MAS0273, MA388, 19749, 5WK97012Z
Frequently Asked Questions
Is this the right Astra mass air flow sensor for the 2008 Chevrolet Astra 4-cylinder 1.8L?
Yes. Walker Products 245-1426 fits the 2008 Chevrolet Astra 4-cylinder 1.8L, and it also fits the 2008-2009 Saturn Astra 4-cylinder 1.8L.
Does the Walker Products mass air flow sensor come with mounting hardware?
No. The 245-1426 is a sensor with its housing and does not include mounting hardware, so plan on new fasteners rather than reusing the old ones.
How many terminals does this mass air flow sensor connector have?
The connector has four terminals and is a female connector.
Can skin oil damage a mass air flow sensor during installation?
Yes. Oils from your hands can damage the sensor, and some vehicle makers recommend replacing the whole housing assembly so the connector air tubes are clean.
How is this mass air flow sensor tested before it is sold?
Each Walker Products sensor is programmed and tested for fit, form and function. Its calibration goes through 100% production testing and is verified with on-vehicle testing.
