Denso 234-4004 Oxygen Sensor - Upstream

Overview of the Denso OE Style Oxygen Sensor 234-4004

The Denso OE Style Oxygen Sensor 234-4004 is designed specifically for select Chrysler, Dodge, Jeep, and Plymouth vehicles. This heated oxygen sensor features a threaded mounting type and a precise 0.708-inch thread diameter, ensuring a secure and accurate fit for models like the Jeep Cherokee, Dodge Ram 1500, and Chrysler Town & Country.

• Heated oxygen sensor for faster response times
• Specific fit for Chrysler, Dodge, Jeep, and Plymouth models
• Threaded mounting with 0.708-inch thread diameter
• 11.81-inch wiring harness length with 4 wires
• Male connector for direct compatibility

Detailed Features and Specifications

This Denso oxygen sensor is part of the OE Style product line, which focuses on delivering original equipment quality and fitment. The 234-4004 sensor includes a heated element to improve sensor response during cold starts, helping maintain optimal engine performance and emissions control. The 11.81-inch wiring harness length and 4-wire configuration provide reliable electrical connections, while the male connector ensures compatibility with factory wiring harnesses. The threaded mounting type with a 0.708-inch diameter allows for straightforward installation in the exhaust system of compatible vehicles.

Compatible Vehicles and Applications

This oxygen sensor is specifically designed for use in a range of Chrysler, Dodge, Jeep, and Plymouth vehicles. Compatible models include the Jeep Cherokee, Dodge Ram 1500, Chrysler Town & Country, Plymouth Sundance, and many others. The sensor is engineered to meet the exact fitment requirements of these vehicles, ensuring proper function within the emission control system.

• Helps regulate air-fuel mixture for efficient combustion
• Addresses issues like rough idling and poor fuel economy
• Reduces emissions by providing accurate oxygen level data
• Prevents check engine light triggers related to oxygen sensor faults
• Improves overall engine performance and drivability

Installation Notes and Tips

When installing the Denso 234-4004 oxygen sensor, ensure the engine and exhaust system are cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the wiring harness length and connector gender match the vehicle’s factory harness. Proper torque specifications should be followed to secure the sensor without over-tightening.

Quality Assurance and Warranty

Denso’s OE Style oxygen sensors are manufactured to meet or exceed original equipment standards, providing reliable performance and durability. While specific warranty details may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship. This ensures confidence in the sensor’s long-term operation within the emission control system.