Lambda sensor | LINK LSF-4.2 Wideband Air-Fuel Sensor｜OEM Direct Fit: BYD DM-i, CITROËN, PEUGEOT (OE# 0 258 006 186)｜Hybrid-Optimized Zirconia Tech
Overall Length 1260 mm
Weight 0.17 Kg
Country of Origin: China
1. Product Introduction
LINK LSF-4.2 Wideband Air-Fuel Ratio Sensor
Engineered for ultra-precise oxygen monitoring in exhaust systems, this sensor is specifically optimized for Peugeot/Citroën petrol engines. Utilizing LINK's proprietary zirconium dioxide nano-ceramic substrate, it delivers real-time exhaust gas analysis with ±1.2% accuracy at 700°C. Installed directly in the exhaust manifold, the sensor enables:
1. 3D Combustion Control – Adjusts fuel trim within 15ms cycles
2. Euro 5/6 Compliance – Reduces NOx by 43% & HC emissions by 61%
3. Failure Prevention – Pre-cat overheat protection (up to 930°C)
Backed by ISO 9001/TS 16949 certification, LINK provides 1,000+ sensor variants validated against 25+ vehicle ECUs. Covering 98% of European aftermarket demands with 36-month service life guarantee.
2.Product parameter