Bosch 004 542 07 18 Premium Oxygen Sensor - 004 542 07 18

The Bosch 004 542 07 18 (Bosch part number 16749) is a premium original equipment oxygen sensor designed to optimize fuel efficiency and reduce harmful exhaust emissions. This heated, 4-wire oxygen sensor features a planar zirconium element that accurately measures oxygen content in exhaust gases and sends precise signals to the engine control unit for optimal air/fuel mixture management.

Key Features:

• OE-identical design with direct-fit connector for easy installation
• 18mm thread diameter with 12-inch (305mm) wire length
• Pre-coated threads with anti-seize compound for hassle-free installation
• Heated 4-wire planar sensor for fast warm-up and accurate readings
• Subjected to 1,000°C functional testing and leak testing for reliability
• Revolutionary Bosch patented universal connection system resistant to water, contamination, extreme temperatures, and vibration
• Robust sensor design for extended service life

Bosch invented the automotive oxygen sensor in 1976 and remains the top choice of vehicle manufacturers worldwide. A properly functioning oxygen sensor is essential for maintaining fuel economy, reducing emissions, protecting catalytic converter life, and ensuring optimal engine performance. This sensor cross-references to Mercedes-Benz OEM part numbers 004 542 07 18 and 003 542 82 18, as well as Bosch part number 0258006750.