2021 -2023 Tahoe or Yukon Upper Driver Side Oxygen Sensor Genuine New

Introducing the Genuine New Oxygen Sensor, part number 12668435, specially designed for 2021-2023 Tahoe or Yukon models. This Upper Driver Side Oxygen Sensor is a critical component of the engine's emission control system, monitoring the level of oxygen in your vehicle's exhaust gases. Its purpose is to relay this information to the engine control unit (ECU), which optimizes the fuel-air mixture for improved engine performance and fuel efficiency. As an original equipment manufacturer's (OEM) product, this part ensures high quality and matches the part sold at the new car dealership. This is a brand new genuine part in OEM manufacturer's packaging and is not an aftermarket product.

Installation Instructions

Tools Needed: Oxygen sensor socket, Ratchet, Jack and jack stands.

Skill Level: Intermediate.

Time: Approximately 1-2 hours.

1. Begin by lifting the vehicle using a jack and secure it with jack stands for safety.
2. Locate the Upper Driver Side Oxygen Sensor on the exhaust manifold. It should appear as a plug protruding from the exhaust pipe.
3. Using the oxygen sensor socket and ratchet, unscrew and remove the existing sensor.
4. Attach the new Genuine New Oxygen Sensor 12668435 and screw it back into the port on the exhaust pipe, ensuring it's snugly fitted.
5. Reconnect the sensor's wiring harness to the vehicle's electrical system.
6. Lower the vehicle and start the engine. Check for any error codes and make sure the new sensor is functioning correctly.

VEHICLE FITMENT