Hella 009166981 Lambda Sensor Oxygen Sensor OE Replacement

The Hella 009166981 is a direct-fit OE-quality lambda sensor (oxygen sensor) engineered to meet or exceed original equipment specifications. Hella is a globally recognized supplier of automotive components, and their lambda sensor range is built to deliver accurate exhaust gas oxygen readings for proper air/fuel mixture control and catalytic converter efficiency.

This sensor communicates real-time oxygen content data to the engine control unit (ECU), enabling precise fuel injection adjustments that optimize combustion, reduce emissions, and maintain fuel economy. A faulty or worn lambda sensor can trigger a check engine light, increase fuel consumption, and cause catalytic converter damage — making timely replacement critical.

Key Features:

• OE-equivalent design for reliable, accurate performance
• Manufactured by Hella, a trusted Tier 1 automotive supplier
• Measures exhaust oxygen levels for optimal air/fuel ratio management
• Helps maintain fuel efficiency and reduce harmful exhaust emissions
• Designed to meet strict OEM fit, form, and function standards
• Durable construction for long service life in demanding exhaust environments

The Hella 009166981 lambda sensor is a professional-grade replacement suitable for workshops and DIY installers seeking a reliable, cost-effective OEM-quality solution. Always refer to your vehicle's service manual for correct installation torque specifications and sensor location.