Replacement LSU 4.9 Lambda Wide Band O2 Oxygen Sensor - Replaces 17025, 0258017025 - Compatible with AEM 30-4110, 30-0300, 30-0310 - X Series AFR Inline Controller - UEGO Air and Fuel Ratio Wideband

Key features

• Replacement LSU 4.9 Oxygen Sensor - Or Lambda Sensor measures the amount or proportion of oxygen mixed in the fuel of your vehicle which is essential in the proper operation of your catalytic converter. The vehicle then determines whether it is necessary to adjust for it perform properly.
• Compatible Replacement for AEM AFR Gauge & Controllers - LSU 4.9 Wideband Controllers Gauges. This replacement Air Fuel Ratio Lambda Sensor helps improve engine performance and fuel efficiency by reducing CO2 and other harmful emissions which extends the life of your Catalytic converter.
• Replaces Part# 17025, 0258017025, 304110, 300300, 300310 which also is also compatible with AEM Wideband Controllers with part numbers 30-4110 Digital Wideband UEGO Gauge, 30-0300 - X Series Digital Wideband UEGO AFR Gauge, 30-0310 - X Series Inline Wideband UEGO AFR Controller.
• OEM Fit, Quality, Finish - While this is not a genuine Oxygen Sensor. It is a direct replacement manufactured by AA Ignition and will match or exceed factory specifications and is built to withstand high temperature environment for longer durability.
• Lifetime Warranty - This replacement Oxygen Sensor comes complete with a lifetime warranty. If the part ever fails on your vehicle simply contact us for a replacement. Save time and money and take advantage of our lifetime warranty.