Wideband Sensor only - Bosch LSU 4.9 with Factory Connector

Genuine Haltech replacement wideband oxygen sensor utilising the proven Bosch LSU 4.9 element with integrated factory connector for seamless installation. This sensor delivers precise air-fuel ratio monitoring essential for accurate engine tuning and diagnosis. The LSU 4.9 technology provides fast response times and reliable readings across the full operating range. Pre-terminated with the correct factory connector, this sensor eliminates splicing or modification during replacement. Ideal for maintaining optimal performance in Haltech wideband controller systems where sensor replacement or spare units are required.