Bosch 11-78-7-512-567 Oxygen Sensor Heated OE Replacement - 4-Wire

The Bosch 11-78-7-512-567 Oxygen Sensor (Bosch part number 15442) is a premium original equipment-type O2 sensor engineered to monitor exhaust oxygen levels and optimize engine performance. This sensor helps maintain the ideal air-fuel ratio of 14.7:1 for complete combustion, improving fuel economy while reducing harmful emissions.

Technical Specifications:

• Sensor Type: Heated planar zirconium
• Wire Configuration: 4-wire design
• Thread Diameter: 18mm with 22mm wrench size
• Wire Length: 279mm (11 inches)
• Connector Type: OE-type direct-fit connector
• Mounting: Threaded installation
• Position: After catalytic converter (rear passenger side)

Key Features:

• Fast-acting heating element reaches operating temperature within seconds for optimal performance
• True direct-fit OE connector and harness for hassle-free installation
• Pre-coated threads with anti-seize compound right out of the box
• Double laser-welded stainless steel body is fully submersible and sealed against contamination
• 100% functionally tested at 1,000°C to ensure environmental and performance robustness
• Seared protection tube appearance from rigorous quality testing

Bosch invented the automotive oxygen sensor in the late 1960s and remains the world's leading supplier and original equipment manufacturer of O2 sensors. A worn oxygen sensor can cause decreased fuel economy, elevated emissions, reduced engine performance, and shortened catalytic converter life. This genuine Bosch sensor ensures your engine constantly monitors and operates at peak efficiency.

Cross-Reference Numbers: BMW 11787512567, Bosch 15442, 028851154420