Denso 234-4966 Oxygen Sensor - Downstream

Reliable Oxygen Sensor for Ford and Lincoln Vehicles

The Denso OE Style Oxygen Sensor 234-4966 is designed to provide precise emissions control for select Ford and Lincoln models. Featuring a heated sensor type and a specific fitment, this oxygen sensor ensures accurate air-fuel mixture readings to maintain optimal engine performance.

• Heated oxygen sensor for faster response times
• Specific fitment for Ford and Lincoln vehicles
• 17.56-inch wiring harness length for proper installation
• Four-wire design for reliable signal transmission
• Part number 234-4966 for easy identification

About the Denso OE Style Product Line

The OE Style line from Denso offers replacement parts engineered to meet original equipment specifications. This ensures compatibility and performance comparable to factory-installed components. The 234-4966 oxygen sensor is part of this line, providing a direct fit and function for your vehicle’s emission control system.

Product Details and Specifications

This oxygen sensor features a heated sensor type, which helps the sensor reach operating temperature quickly, improving emissions control during cold starts. The 17.56-inch wiring harness length allows for proper routing and connection within the engine bay. With four wires, this sensor supports both the signal and heater circuits, ensuring accurate data transmission to the engine control unit. The sensor is designed specifically for certain Ford and Lincoln models, including the Continental, E-350 Super Duty, Edge, Explorer, Flex, Fusion, MKS, MKT, MKX, MKZ, Mustang, Taurus, and Transit series (150, 250, 350, and 350 HD).

Common Applications and Issues Addressed

• Helps resolve poor fuel economy caused by incorrect air-fuel mixture readings
• Reduces engine performance issues related to faulty oxygen sensors
• Assists in lowering harmful emissions for compliance with environmental standards
• Prevents check engine light triggers related to oxygen sensor faults
• Supports smooth engine idling and acceleration

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Disconnect the battery to prevent electrical shorts. The 17.56-inch wiring harness length provides flexibility for routing, but verify the sensor connector matches the vehicle’s harness. Use appropriate tools to avoid damaging the sensor or threads during removal and installation. Follow manufacturer torque specifications for proper sensor seating.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details for part number 234-4966 are not provided here, Denso typically offers coverage against defects in materials and workmanship. Refer to the product documentation or manufacturer for exact warranty terms.