Original OEM GM parts deliver superior quality and meet all performance standards needed for optimal automotive operation. The authentic part identified by 12681390 Oxygen Sensor is available in the market under the name GM Oxygen Sensor. This genuine product has a full warranty coverage from the manufacturer available at all authorized GM dealers throughout the United States. This part 12681390 Oxygen Sensor fits certain Chevrolet Trailblazer models, as well as Buick Encore GX models.
The original GM component designated by manufacturer part number 12681390 maintains top performance when functioning as the Sensor, Computer Control Sensors unit. The component 12681390 is constructed from durable material and its dimensions span 15.7 x 1.6 x 1.1 inches while weighing 0.50 Pounds. The Direct Replacement component is ready in New condition to ensure full compatibility with your vehicle system. This component receives the designation of Lower Oxygen Sensor. The part 12681390 has available replacement options. GM manufacturer provides a warranty that ensures reliable operation of this product. The Shipping Policy and Return Policy pages outline complete details regarding shipping procedures and return processes.
The GM 12681390 Oxygen Sensor functions as an essential component for exhaust gas oxygen level supervision through pre-converter O2 sensor signal transmission to PCM for managing the ideal air-fuel ratio of 14.7:1. The post-converter O2 sensor functions by evaluating catalytic converter efficiency without directly affecting the air-fuel mixture control. An essential requirement exists for GM 12681390 maintenance because any sensor failure may cause diagnostic codes that reduce vehicle performance. Sensors undergo replacement in a specific manner which requires no disconnection of the pigtail or electrical connector along with sensor protection from contaminants. The threads need anti-seize application as part of maintenance while cleaning solutions should be completely avoided for extended life. The pre-converter sensor has a replacement process that does not need vehicle lifting but the post-converter sensor requires proper vehicle support on jack stands. A specialized oxygen socket serves as proper tool to provide a secure mounting connection. ChevyPartsGiant.com features a complete range of OEM GM original parts which includes the GM 12681390 along with factory-specific design attributes to achieve easy installation. The warranty from manufacturers protects both the quality and operational performance of every part included.