Bosch 18202 Premium Wideband Air-Fuel Oxygen Sensor

The Bosch 18202 is a premium wideband air-fuel oxygen sensor designed to deliver precise exhaust oxygen measurement for optimal engine performance and fuel economy. This advanced sensor provides proportional oxygen content readings to the vehicle's ECU, enabling more accurate air-fuel ratio control compared to traditional oxygen sensors.

Key Features:

• 5-wire wideband air-fuel sensor design for precise oxygen measurement
• Thread-in mounting style for secure installation
• OEM connector with wiring harness included for easy installation
• Stainless steel body fully sealed and submersible for protection against exhaust emissions
• Fast-acting heater element reaches operating temperature within seconds
• 100% factory tested to meet Bosch's rigorous quality standards
• Double laser-welded construction ensures long service life

Bosch invented the automotive oxygen sensor and brings decades of OE expertise to every sensor. Replacing a worn oxygen sensor helps restore fuel economy, reduce harmful emissions, and protect the catalytic converter from premature failure. The wideband design provides superior accuracy for modern engine management systems that demand precise air-fuel ratio monitoring.