1999 Oldsmobile Alero 2-Pc Oxygen Sensor Upstream & Downstream 4-Pin A-Premium APOS0420

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
• 2-PC A-Premium Oxygen Sensor
• Crafted with high-grade materials for maximum durability against wear and corrosion.
• Renowned for our expertise and commitment to quality in automotive parts.
• Installs smoothly without modification for an easy start.
• Systematically designed for consistent operational longevity.

Robust Protective Design. A-Premium's Oxygen Sensors are crafted with heat-resistant coatings and strong wiring, effectively shielding them from moisture and debris to maintain peak performance over time.
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.