PartsSquare 2 pcs 234-40661+234-46681 Universal Heated Upstream Downstream Oxygen O2 Sensor for 2007-2011 Chevrolet Pontiac Saturn Cobalt HHR CONTACT US via Amazon Messaging with any fitment issues or check this item description before you placing orders will help to purchase the correct product. Guaranteed Direct Fit For Easy Installation and Great Performance at a Low Price Prevents premature sensor failure and long warranty This is Brand New & High Quality Aftermarket Product service. Meet the professtional specification as OEM parts, for stable performance & durable