2003 Oldsmobile Aurora 4-Pc Oxygen Sensor Upstream & Downstream 4-Pin A-Premium APOS1942

A-Premium Aftermarket Oxygen Sensor: Ideal for Trucks, Cars, and Vans
A-Premium Oxygen Sensor is designed to meet the unique demands of trucks, cars, and vans. Our expertly crafted replacements come with a 3-Year unlimited mileage warranty, guaranteeing reliability across a wide range of vehicles. Use our Vehicle Selector to find the right Oxygen Sensor for your needs.

• Installation Position: Upstream & Downstream
• 4-PC A-Premium Oxygen Sensor
• Easy attachment process for convenient and immediate use.
• Formulated to precisely correspond with the specifications of your vehicle.
• Delivers accurate air and fuel proportions to improve consumption.
• Optimized for increased airflow dynamics and sensor reactivity.

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.
Exacting Technology for Engine Efficiency. Featuring advanced technology, the Oxygen Sensors by A-Premium ensure precise oxygen monitoring, facilitating the most efficient fuel and air mixture for engine excellence.