Key Features and Benefits
- Direct Replacement for AEM X-Series Wideband Systems
Compatible with AEM part numbers 30-4110, 30-0300, and 30-0310 for seamless integration. - Bosch LSU 4.9 Wideband Technology
Industry-standard sensor known for accuracy, durability, and consistent AFR readings. - Precise AFR & Lambda Measurement
Ensures accurate air/fuel data for tuning, diagnostics, and performance optimization. - Fast Response Time
Provides real-time feedback critical for turbo, supercharged, and high-performance engines. - OEM-Quality Construction
Built to withstand high heat and harsh exhaust environments. - Cross-Reference Replacement Part Numbers
Replaces 17025, 0258017025, 304110, 300300, 300310.
Material: Stainless Steel, Aluminum Oxide
Mounting Type: Flange Mount
Output Type: Electric Signal
Upper Temperature Rating: 1472 ℉
Sensor Type: Oxygen Sensor
Collection of Wires: 6
Common Applications
This LSU 4.9 wideband O2 sensor is commonly used for:
- Replacing worn or slow-responding wideband sensors
- Restoring accuracy to AEM AFR gauge systems
- Performance tuning on turbocharged or NA engines
- Ethanol (E85) and race fuel setups
- Dyno tuning and ECU calibration
Replaces Number:
0258017270, 0258017025, 06E906265C
Fitting for the Following Vehicles :
Fits for Ford:
2011-2015 Ford Escape
2011-2015 Ford Fiesta
2012-2015 Ford Focus
Fits for Honda:
2014-2015 Honda Accord
2011-2012 Honda Accord
2011-2015 Honda Civic
2011 Honda CR-V
2011-2015 Honda Odyssey
Fits for Toyota:
2011-2015 Toyota Camry
2011 Toyota Corolla
2011-2015 Toyota RAV4
Fits for Chevrolet:
2011-2015 Chevrolet Cruze
Why Replace Your Wideband Sensor?
Wideband O2 sensors are consumable components. Over time, exposure to heat, fuel contaminants, and exhaust gases reduces accuracy and response speed. A failing sensor can cause incorrect AFR readings, leading to poor tuning decisions and potential engine damage.
Replacing your LSU 4.9 sensor ensures your AEM system continues to provide reliable, precise data you can actually trust—instead of numbers that look right but ruin your day.
Technical Specifications
- Sensor Type: Bosch LSU 4.9 Wideband
- Measurement: AFR and Lambda
- Compatibility: AEM 30-4110, 30-0300, 30-0310
- Output: Controlled via wideband controller (not standalone)
- Thread Size: M18 x 1.5
- Fuel Compatibility: Gasoline, E85, and most race fuels
Designed specifically for AEM wideband controllers: 30-4110 Digital Wideband UEGO Gauge; 30-0300 X-Series AFR Gauge; 30-0310 Inline AFR Controller. Compatible with so much LSU 4.9 wideband systems.
EM Replacement Information: Direct replacement for part numbers 17025, 0258017025, 304110, 300300, 300310. Please verify your sensor’s connector type and length match before purchasing to make sure proper fitment.
High Performance Wideband Sensor: Our oxygen sensor features an advanced sensing element that gives precise oxygen level measurements in exhaust gases, ensuring accurate air/fuel ratio monitoring for optimal engine performance and efficiency.
Premium Quality Construction: Built with high-temperature resistant materials and double laser-welded stainless-steel housing for durability. The water-resistant design ensures long-lasting performance in all driving conditions.
Reliable Performance: This sensor delivers consistent, accurate readings to assist take care of proper engine tuning. Includes all vital components for simple installation on compatible systems.





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