Bosch 13944 oxygen sensor for the 2010-2011 Audi A6 V6 3.2L and other vehicles measures the air-fuel ratio in the exhaust and reports it to the ECU. This Bosch O2 sensor is a downstream unit that helps the ECU hold stable combustion control and keep emissions down.
- Narrow-band heated switching-type design for precise air-fuel-ratio feedback
- Reaches operating temperature in under 10 seconds for quick closed-loop control
- Metal housing with an integrated heater element and TSP coating to resist vibration, corrosion and contamination
- Withstands exhaust streams up to 1,880°F
Quick facts
- Part: Bosch 13944 oxygen sensor
- Fits: 2010-2011 Audi A6 V6 3.2L and other vehicles
- Position: Downstream
- Material: Metal
- Condition: New
A worn oxygen sensor can show up as a check engine light, poorer fuel economy or a rough idle. These signs alone do not prove the sensor is the problem, since an exhaust leak near it can give similar readings.
Fits
It is an oxygen sensor for the 2010-2011 Audi A6 V6 3.2L and the 2009 Audi A6 Quattro V6 3.0L, and each takes one. This listing is one sensor.
Specifications
Fit and size
- Position: Downstream
- Quantity per vehicle: 1
- Mounting type: Threaded
- Thread size: M18 - 1.5
- Hex size: 22 mm
- Wires: 4; terminals: 4, blade, male
- Wiring harness length: 35.9 in
- Length: 39.4 in overall, 38.2 in from sealing surface to end of connector
Build and materials
- Sensor type: Narrow-band, heated
- Housing material: Metal
- Connector: male, oblong
- Wiring harness: included
- Condition: New
- Warranty: Bosch 1-year, unlimited-mileage warranty for non-commercial passenger cars and light trucks
- Country of origin: Japan
In the box
One oxygen sensor with its wiring harness. A mounting bracket is not included.
Installation notes
- Direct-fit connector for quick installation
- Conductive anti-seize is pre-applied on the threads
Frequently Asked Questions
Does Bosch 13944 fit the 2009 Audi A6 Quattro V6 3.0L?
Yes. Bosch 13944 is listed for the 2009 Audi A6 Quattro V6 3.0L, which takes one sensor, and it goes in the downstream position.
Is the Bosch premium oxygen sensor 13944 heated?
Yes. Bosch 13944 is a narrow-band heated oxygen sensor with an integrated heater element and four wires.
What thread size and hex size does this oxygen sensor have?
This downstream sensor has an M18 - 1.5 thread and a 22 mm hex, with a threaded mounting type.
Does this Bosch oxygen sensor come with its wiring harness?
Yes. The wiring harness is included and is 35.9 in long. A mounting bracket is not included.
What warranty comes with the Bosch 13944 oxygen sensor?
Bosch gives the 13944 a 1-year, unlimited-mileage warranty for non-commercial passenger cars and light trucks.
Published by the manufacturer of this part. Links open in a new tab.
- Brand file 5 PDF
- Brand file 5 PDF
- Brand file 5 PDF
- Brochure PDF
- Installation instructions PDF
- Technical bulletin PDF
- Warranty PDF
- Warranty PDF
- Warranty PDF
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