Bosch 0258017203 Premium Oxygen Sensor

The Bosch 0258017203 is a premium original equipment oxygen sensor designed for precise exhaust gas monitoring and engine management. This downstream oxygen sensor is positioned after the catalytic converter where it measures the remaining oxygen content in the exhaust emissions and communicates this data to the engine control unit (ECU) to optimize fuel efficiency and reduce harmful emissions.

Technical Specifications:

• Thread Size: M18 x 1.5
• Number of Circuits: 5-wire design
• Number of Connectors: 6-pin connector
• Cable Length: 1335mm (52.5 inches)
• Operating Voltage: 12V
• OEM Cross-Reference: A0065422718, 0065422718, LS17230

Key Features:

• Double laser-welded stainless steel body for superior durability and complete submersion protection
• Fast-acting integrated heater for quick warm-up and optimal sensor performance within seconds
• 100% tested for full functionality ensuring reliable operation
• Direct-fit OE connector with threads pre-coated with anti-seize compound for easy installation
• Manufactured in Germany with Bosch's rigorous quality standards

Bosch invented the oxygen sensor in the late 1960s and has produced over 1 billion sensors worldwide. This diagnostic sensor monitors catalytic converter efficiency and helps maintain the ideal air-fuel ratio of 14.7:1 for complete combustion, maximizing engine performance while reducing emissions and improving fuel economy.