DENSO 4351OE Heated Oxygen Sensor Direct Fit - 4-Wire

The DENSO 4351OE (234-4351) is a precision-engineered heated oxygen sensor designed to monitor exhaust gas oxygen content for optimal engine performance and emissions control. This sensor measures the level of oxygen in the exhaust gases, enabling optimal fuel efficiency and reducing harmful emissions. Built to OE standards, this direct-fit replacement ensures proper first-time installation without modifications.

Key Features:

• Exclusive aluminum oxide trap layer protects the ceramic element from silicone and lead poisoning
• Double protection cover maintains proper unit temperature for quicker response times
• Stainless steel housing resists corrosion and contamination with a rugged, watertight body
• 4-wire heated design with 21.5-inch wiring harness length
• Threaded mounting with 0.708-inch thread diameter and male connector
• Precision-built for exact replacement and first-time fit

Every component is designed with precision, manufactured to OE standards and subjected to rigorous safety and performance tests. This oxygen sensor helps maximize engine performance and fuel efficiency while reducing harmful emissions, making it an essential component for maintaining your vehicle's emission control system.