Denso 234-4719 Oxygen Sensor - Downstream Left or Downstream Right

Reliable Oxygen Sensor for Dodge Dakota, Durango, and Ram 1500

The Denso OE Style Oxygen Sensor 234-4719 is designed specifically for select Dodge models, including the Dakota, Durango, and Ram 1500. This heated oxygen sensor ensures accurate emissions monitoring and optimal engine performance by providing precise air-fuel mixture data.

• Heated sensor type for faster response times
• Specific fit for Dodge Dakota, Durango, and Ram 1500
• 18.19-inch wiring harness length for convenient installation
• Four-wire design with female connector for secure connection
• Threaded mounting type with 0.708-inch thread diameter

About the Denso OE Style Product Line

The OE Style line from Denso offers oxygen sensors engineered to meet original equipment specifications. This ensures compatibility and reliable performance for vehicles requiring precise emission control components. The 234-4719 sensor maintains factory standards for fit, function, and durability, making it a suitable replacement part for Dodge vehicles.

Detailed Product Description

This Denso oxygen sensor features a heated element that allows it to reach operating temperature quickly, improving sensor accuracy and reducing emissions during cold starts. The four-wire configuration includes two wires for the heater circuit and two for the sensor signal, ensuring stable and consistent readings. The 18.19-inch wiring harness length provides flexibility during installation, while the female connector and threaded mounting type with a 0.708-inch diameter ensure a secure and proper fit in the exhaust system.

Common Issues Addressed by This Oxygen Sensor

• Check engine light triggered by faulty oxygen sensor readings
• Poor fuel economy due to incorrect air-fuel mixture data
• Increased emissions and failed emissions tests
• Engine performance problems such as rough idling or hesitation
• Failed or degraded sensor causing drivability issues

Installation Notes and Tips

Before installation, ensure the vehicle is cool to avoid burns. Disconnect the battery to prevent electrical shorts. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. The 18.19-inch wiring harness length allows for easy routing and connection to the vehicle’s existing harness. Thread the sensor carefully into the exhaust port to avoid cross-threading. Reconnect the battery and clear any diagnostic trouble codes after installation.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet strict quality standards and original equipment specifications. This part number 234-4719 undergoes rigorous testing to ensure durability and reliable performance in Dodge Dakota, Durango, and Ram 1500 models. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.