Bosch 11-78-7-589-139 Oxygen Sensor Sensor - O2

The Bosch 11-78-7-589-139 is a high-quality oxygen sensor (O2 sensor) designed to meet OEM specifications for precise air-fuel ratio monitoring. This sensor plays a critical role in engine management systems by measuring the oxygen content in exhaust gases, allowing the engine control unit to optimize fuel mixture for maximum performance and fuel efficiency while minimizing emissions.

Key Features:

• Original Equipment (OE) quality construction for reliable performance
• Precision-engineered sensing element for accurate oxygen measurement
• Heat-resistant materials designed to withstand extreme exhaust temperatures
• Direct-fit design for simplified installation
• Engineered to meet or exceed OEM specifications
• Helps maintain optimal fuel economy and reduce harmful emissions

Bosch oxygen sensors are manufactured with premium materials and undergo rigorous testing to ensure durability and long service life. This sensor helps ensure your vehicle's engine management system receives accurate data for proper fuel mixture calibration, maintaining engine performance and meeting emissions standards.

OEM Part Number: 11-78-7-589-139 (BMW)