Feature(may vary by option.)

●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.

[234-4260 Toyota V8]




[234-4623 Toyota]




[17025 |  0258017025 AEM]




[15717 |  15716 Ford]




[234-4668 GM]




[234-9021 Toyota 3.0L]




[234-5107 VW |  Audi]




[234-9001 Toyota Trucks]





Description

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.

Replaces part numbers:

  • 17025
  • 0258017025
  • Bosch 17025

Fits Most 4.9 LSU Wideband Controller Gauges Including:

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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

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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.

Experience the AA Ignition Difference!

ASE Certified Technicians

Installing parts on you vehicle can be difficult and we understand. Thats why we have certified technicians on staff to assist you with installation or even properly diagnosing your car. Our technicians will even provide the factory repair manual to make installation easier for you.

Strict Quality Control

All of our sensors undergo strict quality control not just before shipping but throughout the production process. During each step of production multiple quality control checks are performed to insure each and every part lasts for years to come. Satisfaction Guaranteed.

An American Business

AA Ignition is a division of GWA Auto Parts and we are proud to be an American Small Business. Located in sunny South Florida and founded by long time car enthusiasts, AA Ignition takes pride in providing quality products at an exceptional value.