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High-Precision Air-Fuel Monitoring

The Bosch LSU 4.9 Wideband Oxygen Sensor is the industry standard for tuners and performance enthusiasts who demand absolute accuracy in air-fuel ratio (AFR) monitoring. Designed to provide rapid response times and exceptional durability, this sensor is the heart of any high-performance data logging or engine management system. Whether you are fine-tuning a custom map or monitoring engine health under boost, the LSU 4.9 delivers the reliable data you need to protect your engine and maximize output.

Technical Specifications

• Advanced Sensing Technology: LSU 4.9 architecture provides faster warm-up and improved resistance to thermal shock.
• Wideband Accuracy: Capable of reading a broad range of AFRs, making it ideal for naturally aspirated, turbocharged, and supercharged applications.
• Reliability: Bosch sensors are renowned for their longevity, even in high-heat exhaust environments.
• Universal Compatibility: Compatible with most aftermarket wideband controllers and engine management systems that support the 4.9 sensor platform.

Proper AFR monitoring is the difference between a high-performance machine and a blown engine. By utilizing the Bosch LSU 4.9, you ensure that your engine management system receives the most accurate data possible, allowing for precise fuel control and optimal power delivery. This sensor is a must-have for any serious build requiring real-time combustion analysis. Upgrade your diagnostic capabilities with this professional-grade sensor from GGCRACING.