NGK Toyota 4Runner 1991-1990 Direct Fit Oxygen Sensor

NGK is known worldwide as a top supplier of original equipment oxygen sensors, and this direct-fit sensor for your 1989-1991 Toyota Pickup is a prime example of their work. Oxygen sensors are a key part of your vehicle's diagnostic system, helping to keep the engine running smoothly, get the best possible gas mileage, and cut down on exhaust pollution. This sensor constantly sends information back to your car's computer to manage the air-to-fuel mix and alert you if there's an issue with fuel delivery or the catalytic converter.

At its heart, NTK is a ceramics company, and they use advanced technology to control the ceramic element in their sensors from start to finish. This particular sensor features an advanced ceramic element with a three-stage protective coating. This coating acts as a trap for contaminants and deposits, shielding the sensor element from poisoning and ensuring it works reliably over time.