Demand authentic OEM GM parts for the exceptional quality and performance requirements of your vehicle. The recommended part 55488558 Sensor, Computer Control Sensors is also referred to as GM Oxygen Sensor. We distribute these components through all certified dealer networks operating across the United States. All products have a 12-month, 12,000-mile warranty. The performance of your vehicle requires original equipment manufacturer components for proper installation. This item fits the following: Chevrolet Equinox, Blazer. GMC Acadia, Terrain. Cadillac CT5, XT5, XT6. Buick Envision.
The genuine GM product 55488558 represents a Sensor, Computer Control Sensors developed for achieving peak engine system performance in vehicles. As a Direct Replacement part in New state it provides perfect compatibility to guarantee the efficiency of your vehicle. The product carries a factory warranty from GM to guarantee customers will get parts that exceed the superior industrial quality standards. The primary task of an oxygen sensor consists of monitoring the exhaust engine air/fuel mixture for enhanced performance while minimizing emissions. The unburned oxygen detection capability of the sensor delivers vital information to the engine control computer which subsequently regulates air fuel ratio. An oxygen sensor consists of a zirconium dioxide sensing component with platinum coating and protective ceramic and steel covering so it functions at elevated temperatures. The fuel efficiency of a vehicle together with its emission levels depend on performing routine sensor maintenance and replacing the oxygen sensor in the appropriate time frame. Two oxygen sensors applied in various vehicles exist both before and after the catalytic converter to achieve full fuel management feedback. The shipping and return information can be found in full detail on our respective Shipping Policy and Return Policy pages.
The ideal choice to make when wanting an assuring quality and a flawless performance is OEM parts. These items are checked closely in terms of quality and designed to fit perfectly into GM's specifications in terms of factory completion making it very easy to install the parts. We have a large stock of OEM GM components, which also come at highly competitive prices in the market. Just in case you need any new original GM parts please be assured that we would provide them to you at your doorstep within a short period of time. In addition to this, all our pieces are covered by the manufacturer's warranty.










