2006 Buick Rainier 4-Pc Oxygen Sensor Upstream & Downstream 4-Pin A-Premium APOS2004

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
• Exhaustively tested to guarantee long-term dependability and efficiency.
• Smooth installation process for time-saving benefits.
• Built from top-quality materials for excellent wear and corrosion resistance.
• Renowned for our expertise and commitment to quality in automotive parts.

Exceeds Safety Certification Requirements. A-Premium Oxygen Sensors meet exacting safety and quality benchmarks, providing unwavering performance for your car's emissions system.
Instant Adjustment. By promptly recognizing and reacting to variations in exhaust gases, the oxygen sensor ensures immediate modification of fuel injection to maintain reliable engine functioning.