Bosch 16449 oxygen sensor for the 2012-2016 GMC Acadia V6 3.6L and other vehicles measures the air-fuel ratio in the exhaust and reports it to the ECU. This Bosch premium oxygen sensor is a narrow-band, heated, switching-type unit that helps the engine hold stable combustion and keep emissions down.
- Narrow-band heated switching-type sensor that sends air-fuel-ratio readings to the ECU
- Reaches operating temperature in under 10 seconds for quick closed-loop control and cold starts
- Metal housing, integrated heater element and TSP coating resist vibration, corrosion and contamination
- Built to withstand exhaust streams up to 1,880°F
Quick facts
- Part: Bosch 16449 oxygen sensor
- Fits: 2012-2016 GMC Acadia V6 3.6L and other vehicles
- Position: upstream, downstream, downstream left, downstream right
- Material: Metal housing
- Condition: New
A worn oxygen sensor can show up as a check engine light, poor fuel economy or a rough idle. An exhaust leak, a vacuum leak or a misfire can be behind those signs too, so find the cause before buying a sensor. This listing is one sensor; the 2012-2016 GMC Acadia V6 3.6L takes two.
Fits
The 2012-2017 Chevrolet Traverse V6 3.6L and the 2012-2017 Buick Enclave V6 3.6L also take this oxygen sensor, as do many other vehicles. If your car is not named here, look up its year and engine in the "Vehicles it fits" section.
Specifications
Fit and size
- Position: upstream, downstream, downstream left, downstream right
- Thread size: M18 - 1.5
- Hex size: 22 mm
- Length (sealing surface to end of connector): 10.2 in
Build and materials
- Sensor type: narrow-band, heated
- Housing material: Metal
- Coating: TSP coating
- Condition: New
- Warranty: Bosch 1-year, unlimited-mileage warranty for non-commercial passenger cars and light trucks
In the box
One oxygen sensor with its wiring harness. A mounting bracket is not included, and an old one may not be reusable, so plan on a new bracket if yours is worn or damaged.
Installation notes
- Conductive anti-seize is pre-applied to the threads.
- Direct-fit connectors are built for quick installation.
Frequently Asked Questions
Is the Bosch 16449 the right GMC Acadia oxygen sensor for a 2012-2016 Acadia V6 3.6L?
Yes. The Bosch 16449 fits the 2012-2016 GMC Acadia V6 3.6L. For other years and engines, look up your car in the "Vehicles it fits" section.
Can I use this as an oxygen sensor for the 2012-2017 Chevy Traverse V6 3.6L?
Yes. Bosch 16449 fits the 2012-2017 Chevrolet Traverse V6 3.6L.
Does this oxygen sensor come with its wiring harness?
Yes. The wiring harness is included with the sensor. A mounting bracket is not included.
What thread size and wrench size does this oxygen sensor have?
The thread is M18 - 1.5 and the hex size is 22 mm. Length from the sealing surface to the end of the connector is 10.2 in.
How quickly does a Bosch O2 sensor like this one reach operating temperature?
It reaches operating temperature in under 10 seconds, so the ECU gets a fast signal for closed-loop control and cold starts.
