DENSO 4349OE Oxygen Sensor Direct Fit Heated Sensor - 4-Wire O2

The DENSO 4349OE (234-4349) is a direct-fit heated oxygen sensor designed to meet the strictest OE standards for unparalleled performance. This precision-engineered component is manufactured to exact OE specifications, ensuring proper engine air/fuel mixture monitoring for optimal performance and fuel efficiency.

Key Features:

• 4-wire heated design with integrated wiring harness
• Features DENSO's exclusive aluminum oxide trap layer that protects the ceramic element from silicone and lead poisoning
• Robotic laser welds and porous PTFE filters block efficiency-robbing contaminants
• Double-protection covers maintain proper temperature for quicker response times
• Rugged, watertight stainless steel housing resists corrosion and contamination
• Thread-in mounting style for secure installation
• Wire length: 10.63 inches

DENSO First Time Fit products deliver the right part and the right fit the first time, every time. This oxygen sensor improves engine performance, increases fuel efficiency, and provides unparalleled longevity. Oxygen sensors monitor the air/fuel mixture under idle, moderate acceleration, and cruise conditions, making them critical for proper engine operation and emissions control.