Bosch LSU 4.9 - Motorsport

The Emtron Bosch LSU 4.9 Motorsport is a high-grade wideband oxygen sensor engineered for precise air-fuel ratio monitoring in demanding tuning environments. Utilising Bosch's proven planar design, this sensor offers rapid lambda response and accurate measurement across the full operating range. Its motorsport-spec construction ensures durability under extreme heat and vibration, making it ideal for dyno tuning, calibration work and competition applications. Direct compatibility with Emtron engine management systems provides seamless integration for professional installers requiring dependable AFR feedback during critical tuning sessions.