Lambda sensor | Pre-Cat O2 Sensor Upstream Lambda Probe | Bosch 0 258 006 937 | Fits VW Golf Jetta Passat, Audi A4 A6 TT.1.8T|LINK
Overall Length 400 mm
Weight 0.139 Kg
Country of Origin China
1. Product Introduction
LINKLSF-4.2 Premium Wideband Oxygen Sensor
Precisely engineered for turbocharged engines from Volkswagen Group (VW/Audi/Skoda/Seat), this sensor leverages Bosch’s patented Planar Zirconia Element technology to deliver millisecond-level exhaust gas oxygen analysis. Installed directly in the exhaust manifold, it achieves ±1.2% air-fuel ratio accuracy at 650°C, enabling:
Triple Closed-Loop Fuel Optimization – Dynamically adjusts injection pulse width every 20ms, reducing fuel consumption by 9%
Euro IV/V Compliance – Cuts CO emissions by 48% & boosts NOx conversion efficiency by 52%
Thermal/Toxin Resistance – Ceramic body with silicon poisoning shield (withstands 930°C thermal shock)
Certified to ISO/IEC 17025 and VW TL 824 46 standards, Bosch’s global database covers 1,200+ vehicle ECU protocols, meeting 92% of European aftermarket demands. Backed by an extended 30-month/100,000-km warranty.
2.Product parameter