1.Replacement Engine Oil Pressure Sensor with Round Connector - Correct oil pressure and levels maintain proper operation of the engine. The oil pressure sensor reads the current pressure of oil which will reflect on the instrument cluster or oil pressure gauge of your vehicle. If your oil pressure readings are playing up or totally on zero levels then you may have a problem with your oil pressure sensor.2.Compatible Replacement for Chevrolet, GMC. Cadillac & Buick Vehicles with Round Sensor Connectors - 2009 Allure, LaCrosse | 2009 - 2014 Escalade | 2009 - 2012 Colorado | 2009 - 2017 Express 2500 | 2009 Impala | 2009 - 2014 Tahoe | 2009 - 2014 Silvreado 1500 | 2009 Envoy | 2010 - 2013 Sierra 2500 HD | 2010 - 2014 Yukon | 2009 - 2014 Yukon XL 1500 | .3.Replaces Part Replaces 12673134, 12585328, 926041, 1S10874, 2134411, 8125969510, 8126212340, 8126731340, PS690, PS711, PS508 - commonly found on popular models including years 09, 10, 11, 12, 13, 14, 15, 16, 17. The engine oil pressure sensor or sending unit can be located at the back of the intake manifold.4. Fit, Quality, Finish - The engine oil pressure sensor may fail over time and cause a Check Engine Light (CEL) and throw out error codes. By replacing the worn out engine oil pressure sensor, you can be at ease that your vehicle isn't being driven at a low oil pressure. It is a direct replacement and will fit, work and look exactly like the factory sensor on your vehicle.Specifications:Colour:black + silverMaterial:Metal + PlasticPackage Contents:1 * Oil Pressure SensorOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.