Facet 10.8559 Lambda Oxygen Sensor

The Facet 10.8559 is a lambda sensor (oxygen sensor) designed to detect oxygen levels in the exhaust manifold of internal combustion engines. This sensor enables real-time correction of the air-fuel stoichiometric ratio, ensuring optimal catalytic converter performance and reducing harmful exhaust emissions.

Key Features:

• OE equivalent quality with precise vehicle application fitment
• Manufactured in Italy using premium materials and advanced technologies
• Enables proper catalytic converter function by monitoring exhaust oxygen levels
• Designed, developed, and manufactured by Facet with strict quality control
• Part of Facet's comprehensive oxygen sensor range with over 530 references

Facet is a leading European aftermarket manufacturer specializing in engine management sensors, ignition systems, thermostats, and switches. With a product portfolio of over 4,000 references and a heritage dating back to 1946, Facet provides premium replacement parts for a wide range of vehicles. Lambda sensors play a critical role in modern fuel injection systems by maintaining the ideal 14.7:1 air-to-fuel ratio required for efficient combustion and emissions control.