Upgrade your AEM wideband kit with the AEM 30-2404 FAE Wideband Replacement O2 Sensor. Designed for racing, it offers faster response and greater durability than Bosch 4.9 sensors.
This universal sensor is compatible with AEM 30-0300 kits. Enjoy extended performance without free-air calibration.
Backed by a 2-year warranty!
Vehicle Fitment
Not vehicle-specific — this is a universal replacement sensor for AEM wideband gauge/controller kits (see Fitment Notes)
Fitment Notes
Direct replacement sensor for AEM's Part #30-0300 X-Series Wideband UEGO AFR Gauge, and for kits originally equipped with the "0400" serial number sensor
Not compatible with AEM wideband kits that originally shipped with a Bosch LSU 4.9 sensor — confirm your kit's original sensor type before ordering
Features
Co-developed by AEM and FAE for faster response time and greater durability than the Bosch 4.9 LSU sensor
Improved resistance to failure in high-performance, high-vibration racing environments
Compatible with both unleaded and leaded race fuels
Never requires free-air calibration when used with a compatible AEM controller and connector plug
High-quality sealed sensor housing built for extreme motorsport conditions
The AEM 30-2404 is a direct replacement wideband oxygen sensor for AEM's Part #30-0300 X-Series Wideband UEGO AFR Gauge and kits equipped with the "0400" serial number sensor. Co-developed with global automotive supplier FAE, this sensor was engineered specifically to address the shortcomings of the industry-standard Bosch 4.9 LSU sensor in demanding motorsport conditions.
While the Bosch 4.9 LSU offers strong light-off and response performance, it tends to degrade quickly in high-performance racing environments — leaded fuels, rich mixtures, 2-step rev limiters, and high-frequency vibration all take a toll. AEM's five years of development with FAE produced a sensor validated to last longer and respond faster under these same harsh conditions.
When paired with a compatible AEM controller and connector plug, this sensor never requires free-air calibration, simplifying setup for owners maintaining an existing AEM wideband system. It's backed by AEM's 2-year extended warranty, longer than the standard coverage on most wideband sensors.
*Parts are for USA spec vehicles, please contact us to verify fitment on JDM & international models.
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· · · RETURNS · · ·
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Any returns received installed, mounted, used or missing components will be subject to return fee's.
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