Product Review

Please kindly check the YEAR/MAKE/MODEL of your vehicle based on our product description to make sure this item is compatible.
If you buy wrong oxygen sensors for your vehicle, please not damage the original package and the product. Thank you!
Bank 1 Sensor 1=Upstream(right/rear), bank 2 sensor 1=Upstream(left/front), bank 1 sensor 2=Downstream(right/rear), bank 2 sensor 2=Downstream(left/front), please check the plug and the length of the sensor.

DOICOO Oxygen Sensor Fitment:
Chevrolet Chevy Aveo L4-1.6L 2004 2005 2006(Downstream)
Pontiac GTO V8-6.0L 2004-2005(Downstream)
Pontiac GTO V8-5.7L 2006(Downstream)

OEM quality, ONE year warranty, 24HOUR response, US stock fulfilled by Amazon, HONEST price.