Bosch 18157 Premium OE Fitment Oxygen Sensor

The Bosch 18157 is a premium OE fitment oxygen sensor designed to monitor exhaust gas oxygen levels and optimize engine performance. This sensor detects the amount of oxygen in your vehicle's exhaust gases and sends precise signals to the engine computer, allowing the ECU to fine-tune the air/fuel mixture for maximum catalyst efficiency, reduced emissions, and improved fuel economy.

Key Features:

• OE-quality direct fit design with original equipment connector for easy installation
• Stainless steel body construction is fully submersible and sealed to protect against exhaust emissions and ensure long service life
• Fast-acting heater element reaches optimal operating temperature within seconds for superior performance
• Factory tested to meet Bosch's rigorous quality and performance standards
• Threaded mounting style with M18 thread size and 22mm hex
• Heated sensor with overall length of 28-9/16 inches
• Includes wiring harness for installation

As the inventor of the automotive oxygen sensor, Bosch brings decades of engineering expertise and manufacturing experience to ensure reliable, long-lasting performance. Each sensor undergoes functional testing at 1,000 degrees Celsius and leak testing before leaving the factory. Replacing a worn oxygen sensor with this Bosch premium sensor helps restore proper engine operation, reduce harmful emissions, and maximize fuel efficiency.