Bosch 958-606-172-01 Oxygen Sensor Post-Catalyst - Rear

The Bosch 958-606-172-01 is a premium OEM-quality oxygen sensor designed for Porsche Cayenne models equipped with 4.8L naturally aspirated V8 engines. This is a post-catalyst (downstream) oxygen sensor that monitors exhaust gases after they pass through the catalytic converter to ensure optimal emissions control and fuel efficiency.

Key Features:

• OEM-equivalent quality from Bosch, the original equipment manufacturer
• Post-catalyst (after catalyst) positioning for emissions monitoring
• Rear sensor location (left or right rear position)
• Precise air-fuel ratio measurements for ECU feedback
• Direct replacement for Porsche OEM part number 958-606-172-01
• Designed specifically for 4.8L V8 engines without turbo

This oxygen sensor plays a critical role in your vehicle's emissions system by monitoring catalyst efficiency and helping the engine control unit maintain proper air-fuel ratios. Bosch oxygen sensors utilize proven technology to deliver accurate readings across a wide range of operating conditions, ensuring reliable performance and compliance with emissions standards.