Bosch 009-542-59-18 Wideband Oxygen Sensor

The Bosch 009-542-59-18 (also known as Bosch 17347) is a premium wideband air/fuel ratio oxygen sensor designed for Mercedes-Benz vehicles. This advanced sensor provides continuous, high-precision measurements of the air-fuel ratio across the full lambda range, enabling exceptionally accurate air-fuel mixture control for improved fuel efficiency, engine performance, and reduced emissions under all operating conditions.

Key Features:

• Wideband air/fuel ratio sensor that measures the amount of oxygen in the exhaust rather than switching between rich and lean responses
• 18mm thread diameter with 5-wire heated design for fast light-off
• 521mm (20.5 inch) wire length with OE-type connector
• Pre-coated threads with anti-seize compound right out of the box
• Robust ceramic construction delivers reliable performance during rapid load changes and harsh thermal cycles
• True direct-fit OE connectors and harness for easy installation

Bosch is the world's leading supplier and OEM of oxygen sensors, having invented the automotive oxygen sensor and leading the way in sensor technology and innovation. Backed by more than five decades of OE development, Bosch supplies accurate oxygen sensors to the aftermarket with the same OE-proven quality trusted by vehicle manufacturers.