Bosch Oxygen Sensor 18087 – Downstream (Audi A6/A7/A8/S4/S5) brake master cylinder leading to leaks that cause

leading to leaks that cause overheating

4L5 Volkswagen Jetta 2003–2004 2

particularly from the late 1990s to mid-2000s

5L inline-5 engines

These clear turn signal housings include a factory yellow bulb

Bosch Oxygen Sensor 18087 – Downstream (Audi A6/A7/A8/S4/S5) brake master cylinder leading to leaks that causeThis downstream oxygen sensor from Bosch is designed for select Audi models with 3. 0L V6 engines from 2012 to 2015. It monitors exhaust after the catalytic converter to ensure efficient emissions control and engine performance. Bosch sensors are OE quality and built to last. Key Features & Benefits Downstream location: Monitors catalyst efficiency for accurate diagnostics. Heated sensor: Fast activation for consistent readings. Direct fit