4-Pc Oxygen Sensor Upstream & Downstream 4-Pin A-Premium APOS1999

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
• 4-PC A-Premium Oxygen Sensor
• Celebrated for efficiency and cost-effectiveness in auto solutions.
• Demonstrates capability to boost engine output and promote fuel economy.
• Adheres to elite quality norms set by the industry.
• Streamlined installation process with basic implements.

Heat-Resistant and Reliable. A-Premium Oxygen Sensors feature durable coatings and wiring built to withstand harsh elements like moisture and contaminants, promoting longevity and sustaining performance efficiency.
Efficient Combustion. With precise oxygen monitoring in the exhaust stream, the sensor ensures the engine's combustion process stays optimal, ultimately improving fuel economy and decreasing emissions.