NGK OE Type 5-Wire Wideband A/F Sensor

This NGK 5-wire wideband Air-Fuel Ratio (A/F) sensor is what you get when you need to ensure your engine's computer has the most accurate information about the air-fuel mixture. Unlike older style sensors that just tell the ECU if the mix is rich or lean, this wideband sensor gives a linear output. This means the ECU knows exactly how rich or lean the engine is running, allowing it to make continuous, precise adjustments to keep the mixture as close to stoichiometric as possible. This leads to better combustion, improved fuel efficiency, and fewer emissions.

NGK, a major supplier of Original Equipment (OE) sensors, builds these wideband sensors with an advanced ceramic element. This element features a 3-stage plasma jet and deposit trap overcoat, which helps protect it from contaminants that can poison the sensor over time. Because NTK (NGK's parent company) controls the ceramic production from raw material to the finished product, they can ensure a high level of quality and performance. This sensor is designed to fit a range of vehicles, including models like the Audi A4, Volkswagen Jetta, and Audi Q7.