Oxygen Sensor Nut

Oxygen Sensor NutIt is a small metal nut specially used to install and fix oxygen sensors.
The oxygen sensor is one of the key sensors in modern automobile engine emission control systems. It is installed on the exhaust pipe to monitor the oxygen content in the exhaust and feed it back to the engine computer for precise control of the fuel injection amount.
The oxygen sensor needs to be firmly installed at a specific location in the exhaust pipe, usually using a threaded joint to fix the sensor to the exhaust pipe. The oxygen sensor nut is the fixing piece used for this threaded joint.
The oxygen sensor nut is generally a small metal nut in a hexagonal or dodecagonal shape, and is usually made of high-temperature corrosion-resistant metal such as stainless steel or aluminum alloy. Its function is to firmly tighten and fix the oxygen sensor on the exhaust pipe, and it can withstand harsh working environments such as high temperature and vibration.
When replacing the oxygen sensor, you need to remove the old oxygen sensor nut first, and then tighten the new oxygen sensor with a new nut. Therefore, although the oxygen sensor nut is small in size, it is an indispensable and important component during engine maintenance.
There are different styles, it mainly depends on the customer’s oxygen sensor.