Genuine OE BOSCH 0258006028 / LS6028 Oxygen Exhaust Probe Lambda Sensor 4 Poles A Lambda sensor in perfect condition is a requirement for a reliably functioning engine and thus for ensuring low fuel consumption, low pollutant emissions and the correct emission values. Bosch Lambda sensors are unbeatable thanks to their long service life, excellent operation and optimum engine compatibility. Up to 15 % fuel savings compared to an old Lambda sensor Avoidance of expensive catalytic-converter damage Compliance with stringent emission standards Improved performance ITEM SPECIFICS: Number of Poles: 4 Overall Length : 410 mm Recommended replace interval : 160000 km If you are unsure as to whether this is the correct part for your vehicle, please don't hesitate to contact us. Alternatively please use the cross reference table above.