The ABAKUS NOx sensor and catalyst (part code 134-02-020) is a critical component for modern vehicles, playing a vital role in managing exhaust gas emissions. It works in conjunction with the vehicle's engine management system to detect and treat harmful nitrogen oxides (NOx) before they are released into the atmosphere. This unit combines the functions of a sensor, which measures the level of NOx in the exhaust stream, and a catalyst, which chemically converts NOx into less harmful substances like nitrogen and oxygen. This dual functionality helps maintain efficient engine operation while adhering to increasingly stringent environmental regulations. Proper functioning of the NOx sensor and catalyst is essential for preventing check engine lights, ensuring the vehicle passes emissions tests, and contributing to cleaner air. ABAKUS manufactures this part to meet the specific requirements of compatible vehicle models, ensuring a reliable fit and performance.