Hitachi Astemo Mass Air Flow Sensor P/N:MAF0103
Hitachi Astemo MAF0036 mass air flow sensor for the 2002-2006 Audi A4 Quattro V6 3.0L, the 2005-2006 A4 Quattro V6 3.2L and other vehicles measures the amount of air entering the engine. This new sensor meets OE performance and durability standards.
Rough idle, hesitation under acceleration or a check engine light can mean the mass air flow sensor is worn, though a clogged air filter or a cracked intake duct can be behind them too. If the sensor is the cause, this one replaces it.
The 2002-2006 Audi A4 Quattro V6 3.0L, the 2005-2006 A4 Quattro V6 3.2L and the 2002-2005 Audi A4 V6 3.0L are among the vehicles this sensor fits, with many more beyond them. This listing is one sensor, and each of those vehicles takes one.
Fit and size
Build and materials
One mass air flow sensor with its housing. The wiring harness is not included.
Interchange: 86-50044 · DL-6127 · 06C 133 471A
MA1241 · MF21033N · 7450044 · MQ7281 · AF10149 · MA332 · 06C133471AX
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
Is this the Audi A4 mass air flow sensor for the 2002-2005 V6 3.0L?
Yes, Hitachi Astemo MAF0036 fits the 2002-2005 Audi A4 V6 3.0L and the 2005 A4 4-cylinder 1.8L. If your car is not named here, check its year and engine in the "Vehicles it fits" section.
How many terminals does this Hitachi Astemo mass air flow sensor have?
Hitachi Astemo MAF0036 has five blade terminals. The housing is included, but the wiring harness is not.
Can a bad mass air flow sensor cause a rough idle?
Yes, a worn sensor can be one cause. Hesitation and a check engine light are other signs it can show, and a shop can read the sensor's output with a scan tool.
Are the connections in this mass air flow sensor welded or soldered?
They are welded instead of soldered, which is done for dependability. The sensor also has protected circuitry and a contaminant bypass port.
Does Hitachi Astemo MAF0036 replace the 86-50044 sensor?
Yes, 86-50044 is one of the numbers MAF0036 replaces. The other cross-reference numbers are on the Interchange line.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.