Bosch Upstream Oxygen Sensor (17232) – Fits Audi A8 Quattro 2011-2012

Bosch oxygen sensor (part 17232) is a premium upstream (pre-catalyst) sensor for Audi A8 Quattro models. It measures exhaust oxygen before the catalytic converter to fine-tune the air-fuel mixture, enhancing performance and fuel economy while reducing emissions. Direct OE replacement ensures reliable operation.

Key Features & Benefits

• Precise upstream measurement: Critical for accurate air-fuel mixture control and emissions management.
• 100,000-mile typical lifespan: Long-lasting performance reduces maintenance intervals.
• OE-quality design: Manufactured to Bosch's stringent specifications for exact fit and function.
• Easy installation: Designed as a direct replacement for the factory sensor.

Vehicle Fitment

Technical Specifications

Installation Notes

Professional installation recommended to avoid damage to the sensor or exhaust system.

About Bosch

Bosch is a globally recognized leader in automotive technology, known for high-quality OE and aftermarket parts.

This part also goes by the following cross reference.

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