Who makes the best 02 sensors?

ACDelco AFS21 GM Original Equipment Oxygen Sensor. This oxygen sensor will meet your expectations. Bosch 15703 Oxygen Sensor. Denso 234-9005 Oxygen Sensor. NGK 25013 Oxygen Sensor. Denso 234-9009 Oxygen Sensor. Bosch 15664 Oxygen Sensor. ACDelco AFS105 GM Original Equipment Heated Oxygen Sensor. Bosch 13474 Oxygen Sensor. Click to see full answer. Also question is, is there a difference in o2 sensors?O2 sensors, also called lambda sensors or oxygen sensors, measure the proportion of oxygen in vehicle exhaust. Physically, there’s no difference between front and back O2 sensors. They function in the same way, but the vehicle’s computer uses the measurements that they take for different purposes.Secondly, should I replace all o2 sensors at once? It is best to replace your sensors in pairs. For example, if you replace the downstream left sensor, you should also replace the downstream right. It is probable that on most vehicles, the code will be set within 30-60 days AFTER the first sensor replacement. Consequently, is Bosch o2 sensor good? Ranked among the best brands in the vehicle industry, its products work well. They are also durable and built to improve the performance of cars. Bosch Original Equipment 15717 is such a product. If you are looking for an oxygen sensor, you will like its performance.Which o2 sensor is better Denso or Bosch?In short, the only difference is price: the Bosch cardboard box costs more than the Denso cardboard box. Got home and opened the box. The bag that the sensors are packaged in are a zip lock bag with a stick on white label with part numbers. The O2 sensors have no marks.