Original OEM GM parts deliver superior quality and meet all performance standards needed for optimal automotive operation. The authentic part identified by 12661898 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 12661898 Oxygen Sensor fits certain Chevrolet Malibu, Equinox, Impala models, as well as GMC Acadia, Terrain. Additionally, it is compatible with Buick Regal, Envision, Regal Sportback models.
The original GM component designated by manufacturer part number 12661898 maintains top performance when functioning as the Sensor, Computer Control Sensors unit. The component 12661898 is constructed from durable material and its dimensions span 2.0 x 18.7 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 Rear Oxygen Sensor; Lower Oxygen Sensor. The part 12661898 has available replacement options 12643903. 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 part 12661898 Oxygen Sensor serves as a fundamental exhaust emission measurement device that ensures engine peak output and satisfies environmental standards. A correct GM part service demands you to treat both the attached pigtail and connector with care so you can guard against contamination at all times. You need to start your engine briefly before extracting the sensor due to its hard-to-remove condition when operating at low temperatures. Four sensors serve as replacements that need installation in each manifold after each catalytic converter. The first step for installing new upstream sensors is to unfasten and remove the engine cover followed by connector disconnection and applying anti-seize compound to threads during reinstallation. The process of downstream sensor replacement requires vehicle lifting through regular procedures. Buy OEM GM part 12661898 Oxygen Sensor from GM to ensure top-level operation because the products complete demanding quality tests before the final manufacturing standards. Users can access ChevyPartsGiant.com to browse from our diverse original GM part selection where they can find the 12661898 at competitive prices with fast delivery providing manufacturer-backed warranties.











