Below are the ignition coils currently available from AA Ignition. We are constantly adding more ignition coils to our catalog so check back for new products.

Replacement LSU 4.9 Lambda Wide Band O2 Oxygen Sensor - Replaces# 17025, 0258017025 - Fits AEM 30-4110, 30-0300, 30-0310

Replacement LSU 4.9 Lambda Wide Band O2 Oxygen Sensor - Replaces# 17025, 0258017025 - Fits AEM 30-4110, 30-0300, 30-0310 Image
  • 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.
  • FITS THE FOLLOWING – 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# Bosch 17025, 0258017025, 304110, 300300, 300310 which also fits 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 Bosch 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.

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.

Replacement LSU 4.9 Lambda Wide Band O2 Oxygen Sensor - Replaces# 17025, 0258017025 - Fits AEM 30-4110, 30-0300, 30-0310

Replacement LSU 4.9 Lambda Wide Band O2 Oxygen Sensor - Replaces# 17025, 0258017025 - Fits AEM 30-4110, 30-0300, 30-0310 Image
  • 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.
  • FITS THE FOLLOWING – 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# Bosch 17025, 0258017025, 304110, 300300, 300310 which also fits 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 Bosch 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.

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.