Denso 234-4079 Oxygen Sensor

Reliable Oxygen Sensor for Chrysler, Dodge, Jeep, and Plymouth Vehicles

The Denso OE Style Oxygen Sensor 234-4079 is designed to provide precise emissions control for specific Chrysler, Dodge, Jeep, and Plymouth models. This heated oxygen sensor ensures accurate air-fuel mixture readings to help maintain optimal engine performance and reduce harmful emissions.

• Heated sensor type for faster response times
• Specific fit for select Chrysler, Dodge, Jeep, and Plymouth vehicles
• 18.31-inch wiring harness length for proper 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 emissions control components. The 234-4079 sensor maintains factory standards for fit, form, and function, making it a suitable replacement part for maintaining vehicle emissions systems.

Product Details and Specifications

This Denso oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving sensor response and engine efficiency. The 18.31-inch wiring harness length provides adequate reach for installation in the engine bay, while the four-wire configuration supports both the sensor signal and heater circuit. The female connector ensures a secure and proper electrical connection. The sensor mounts via a threaded fitting with a 0.708-inch diameter, matching factory mounting points on compatible vehicles.

Compatible Vehicles and Applications

• Chrysler B1500, B2500, B3500
• Dodge Breeze, Cirrus, Dakota, Ram 1500, Ram 1500 Van, Ram 2500, Ram 2500 Van, Ram 3500, Ram 3500 Van, Viper
• Jeep Grand Cherokee, TJ, Wrangler
• Plymouth Sebring, Stratus

Common Issues Addressed by This Oxygen Sensor

• Incorrect air-fuel mixture readings causing poor fuel economy
• Check engine light triggered by faulty oxygen sensor signals
• Increased emissions due to sensor malfunction
• Engine performance issues such as rough idling or hesitation
• Failed emissions tests related to sensor performance

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Disconnect the battery to prevent electrical shorts. Remove the old oxygen sensor carefully to avoid damaging the mounting threads. The Denso 234-4079 sensor installs via threaded mounting; apply anti-seize compound to the threads if recommended by the vehicle manufacturer. Connect the four-wire female connector securely to the vehicle harness. Verify proper sensor placement and wiring before reconnecting the battery and starting the engine.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet strict quality standards for durability and performance. While specific warranty details for part number 234-4079 may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship. Refer to the product documentation or manufacturer for exact warranty terms.