Replacement LSU 4.9 Lambda Wide Band O2 Oxygen Sensor -

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
- Replacement LSU 4.9 Oxygen Sensor - Also called the Lambda Sensor, it measures the ratio or proportion of oxygen mixed in the fuel of your vehicle, which is essential for the proper operation of your catalytic converter. The vehicle then determines whether it is necessary to adjust the ratio for it to 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 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 OEM oxygen sensor, it is a direct replacement manufactured by AA Ignition. This AEM wideband sensor will match or exceed factory specifications and is built to withstand a high temperature environment for longer durability.
- Lifetime Warranty - This replacement wideband O2 sensor comes complete with a lifetime warranty. If the part ever fails on your vehicle, simply contact us for a free replacement. Save money off of dealer prices by purchasing this part and replacing it yourself. See our website for full details. See our website for full details.
This replacement Oxygen 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. 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.

Fits most 4.9 LSU Wideband Controller Gauges including:
- AEM 30-4110 Digital Wideband UEGO Gauge
- AEM 30-0300 - X-Series Digital Wideband UEGO AFR Gauge
- AEM 30-0310 - X-Series Inline Wideband UEGO AFR Controller
Replaces part numbers: 17025, 0258017025, Bosch 17025

This is a compatible replacement part manufactured by AA Ignition. This oxygen sensor is NOT a genuine Bosch or AEM part. Bosch, AEM and their associated vehicle models and part numbers are used in this listing only to identify the vehicles and part models this oxygen sensor fits.
Country USA
Brand AA Ignition
Manufacturer AA Ignition
ItemPartNumber 17025AA
Model 0258017025
Warranty Lifetime Warranty
Size 17025
UnitCount 1
ReleaseDate 0000-00-00

Country	USA
Brand	AA Ignition
Manufacturer	AA Ignition
ItemPartNumber	17025AA
Model	0258017025
Warranty	Lifetime Warranty
Size	17025
UnitCount	1
ReleaseDate	0000-00-00

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

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