2009 Kia Optima 2-Pc Oxygen Sensor Upstream & Downstream 4-Pin A-Premium OS109

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
• Rigorously evaluated for enduring, dependable operation.
• Developed with innovative materials to offer robust resistance to wear and corrosion.
• Developed to snugly fit your vehicle without the hassle of modifications.
• Features innovative technology for unmatched dependability.

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.
Superior Monitoring Capabilities. The oxygen sensor keeps a close eye on the exhaust's oxygen levels, allowing the engine to function with superior combustion, which enhances fuel use and lessens emissions.