Audi Air/Fuel Ratio Sensor – Upstream – Denso

The Denso air/fuel ratio sensor (part 234-5131) is a high-quality OEM equivalent for Audi vehicles. It accurately measures the air-to-fuel ratio in exhaust gases, optimizing engine performance and fuel economy. This upstream sensor is a direct fit for the Audi S8 with the 5.2L V10 engine.

Key Features & Benefits

• OEM equivalent design: Meets factory specifications for reliable operation.
• Accurate fuel mixture measurement: Ensures precise air-fuel ratio for optimal combustion.
• Improves fuel economy: Helps maintain efficient fuel usage and reduces emissions.
• Durable construction: Built with high-quality materials for long service life.
• Direct replacement: No modifications required for installation.

Vehicle Fitment

Technical Specifications

Installation Notes

Direct plug-and-play installation; no modification required.

About Denso

Denso is a globally recognized automotive components manufacturer known for reliable OE and aftermarket sensors.

This part also goes by the following cross reference.

Cross Reference Part Number: