Audi A4 S4 A6 S6 Allroad & VW Passat 4motion Pre Cat O2 Sensors for Quattro

Enhance your vehicle's performance with our premium Pre Cat Upstream O2 Oxygen Sensors. Designed specifically for Audi A4, S4, A6, S6 Quattro Allroad, and VW Passat 4motion models with 2.7 Turbo, 2.8, and 4.2 engines, these sensors are essential for optimal engine function.

Key features include:

- Compatibility with multiple Audi and VW models
- Easy installation with plug compatibility and length verification
- OEM specifications for reliable performance
- Solutions for excessive fuel consumption and power deficiencies
- A two-year warranty for peace of mind

Upgrade your engine's efficiency and reduce emissions with this vital replacement part, guaranteeing your vehicle operates at its best.