1999 Mercedes-Benz SL500 2-Pc Oxygen Sensor Upstream & Downstream 4-Pin A-Premium APOS0389

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: Upstream & Downstream
• 2-PC A-Premium Oxygen Sensor
• Precisely tuned to fulfill your vehicle’s specific demands.
• Engineered using state-of-the-art technology to ensure maximum durability.
• Trusted by car enthusiasts for years of industry knowledge.
• Optimized for increased airflow dynamics and sensor reactivity.

Precision Engineering for Optimal Performance. A-Premium Oxygen Sensors incorporate state-of-the-art technology that delivers exact oxygen readings, facilitating the perfect balance of fuel and air for superior engine efficiency.
Elevating Emission Quality Standards. By meeting or exceeding OEM specifications, A-Premium Oxygen Sensors ensure premium-quality construction and compliance for optimal performance in your vehicle’s emissions system.