Original OEM GM parts deliver superior quality and meet all performance standards needed for optimal automotive operation. The authentic part identified by 91177408 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 91177408 Oxygen Sensor fits certain Chevrolet Tracker models.
The original GM component designated by manufacturer part number 91177408 maintains top performance when functioning as the Sensor, Oxygen (On Illus) unit. The component 91177408 is constructed from durable material and its dimensions span 7.4 x 3.3 x 2.1 inches while weighing 0.60 Pounds. The Direct Replacement component is ready in New condition to ensure full compatibility with your vehicle system. This component receives the designation of Sensor, Computer Control Sensors. The part 91177408 has available replacement options 96068670. 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.
Exhaust gas oxygen levels become crucial information because the GM part 91177408 Oxygen Sensor serves as a vital component for powertrain control module (PCM) operation in maintaining the optimal 14.7:1 air/fuel ratio. Two heated sensors applied in OBD-II vehicles operate by switching between 1.0-volt and 0.1-volt voltage signals which have their placement either in the exhaust manifold or behind the catalytic converter to check converter effectiveness. The proper maintenance of the GM part 91177408 remains essential because oxygen sensor circuit problems can cause diagnostic trouble codes which require complete component evaluation prior to sensor failure confirmation. The sensor should undergo voltage testing at different engine states to verify correct functioning. The oxygen sensor needs replacement using an oxygen sensor wrench after applying anti-seize to the threads before tightening to its specification torque. Our website enables customers to find a complete selection of OEM GM parts which includes the specific GM part 91177408 for its exceptional quality and precise operation. Customers receive a factory-standardized warranty with each product purchase because all parts maintain GM's specifications that optimize installation while ensuring complete assurance.