BOSCH LSU 4.9

The Emtron BOSCH LSU 4.9 is a high-precision wideband oxygen sensor engineered for accurate air-fuel ratio measurement in performance engine management applications. This OEM-specification sensor delivers reliable lambda readings across a broad AFR range, essential for precise ECU tuning and calibration work. The LSU 4.9 platform offers fast response times and exceptional durability under high-temperature exhaust conditions. Suitable for use with Emtron engine management systems and compatible wideband controllers, this sensor provides the measurement accuracy professional tuners require for optimising engine performance, emissions compliance and fuel efficiency.