DENSO 31697444 Oxygen Sensor O2 Direct Fit

The DENSO 31697444 Oxygen Sensor is a precision-engineered OE-quality replacement designed to restore proper air/fuel mixture monitoring and engine performance. Also known as an O2 sensor or Lambda sensor, this critical emission component monitors exhaust gas oxygen content to help the engine management system maintain optimal fuel efficiency and reduce harmful emissions.

Key Features:

• Manufactured and tested to strict OE standards for reliable performance
• Exclusive aluminum-oxide trap layer protects ceramic element from silicone and lead poisoning
• Porous PTFE filter allows atmospheric oxygen to enter while blocking water and contaminants
• Double protection cover maintains proper operating temperature for faster response times
• Stainless steel housing resists corrosion and contamination with rugged, watertight construction
• Precision-built components ensure exact fit and first-time installation

DENSO First Time Fit oxygen sensors deliver the quality and reliability expected from a global OE manufacturer, helping to improve engine performance, increase fuel efficiency, and ensure proper emission system operation.