2009 Porsche 911 1-Pc Oxygen Sensor Downstream Driver or Passenger 4-Pin A-Premium APOS0099

A-Premium Aftermarket Oxygen Sensor: Multiple Options Available
With A-Premium, you have a variety of expertly engineered Oxygen Sensor options to suit your vehicle's needs. Each replacement is backed by a 3-Year unlimited mileage warranty for peace of mind. Use our Vehicle Selector to explore multiple options and find the perfect fit.

• Installation Position: Downstream Driver or Passenger
• 1-PC A-Premium Oxygen Sensor
• Employs advanced engineering for enhanced reliability.
• Trusted by car enthusiasts for years of industry knowledge.
• Streamlined installation process with basic implements.
• Secures ideal combustion ratio to maximize energy efficiency.

Trusted Quality Assurance. Constructed to match or outpace stringent OEM requirements, A-Premium Oxygen Sensors deliver unparalleled quality and regulatory compliance for your vehicle's emission performance.
Swift Reaction. Crafted for quick adaptability, the oxygen sensor promptly changes the fuel injection in response to exhaust composition fluctuations, securing steady engine performance.