Denso 234-4749 Oxygen Sensor - Downstream or Downstream Left

Overview of the Denso OE Style Oxygen Sensor 234-4749

The Denso OE Style Oxygen Sensor 234-4749 is designed specifically for Dodge vehicles, including the Dakota, Durango, and Ram 1500 models. This heated oxygen sensor features a threaded mounting type and a female connector, ensuring a precise fit and reliable performance in emission control systems.

• Heated oxygen sensor for accurate emissions monitoring
• Specific fit for Dodge Dakota, Durango, and Ram 1500
• Threaded mounting with 0.708-inch thread diameter
• Female connector with 4-wire configuration
• 18.19-inch wiring harness length for optimal installation

Detailed Features and Specifications

The Denso 234-4749 oxygen sensor is part of the OE Style product line, which focuses on delivering original equipment quality and fitment. This sensor is engineered to match the exact specifications of the factory-installed part, providing consistent performance and durability. The heated sensor type allows for quicker activation and improved fuel efficiency by maintaining optimal operating temperature. With a 4-wire design and a female connector, it integrates seamlessly with the vehicle’s wiring harness. The 0.708-inch threaded mounting ensures secure installation in the exhaust system, while the 18.19-inch wiring harness length offers flexibility during replacement.

Compatible Vehicles and Applications

This oxygen sensor is compatible with specific Dodge models, making it suitable for:

• Dodge Dakota
• Dodge Durango
• Dodge Ram 1500

It is designed to replace the original sensor and maintain proper emission control system function, helping to reduce exhaust emissions and improve engine performance.

Common Issues Addressed by the Denso 234-4749 Oxygen Sensor

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

Installation Notes and Tips

When installing the Denso OE Style oxygen sensor 234-4749, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. The 18.19-inch wiring harness length provides sufficient reach for most installations on compatible Dodge models. Confirm the female connector matches the vehicle’s harness before installation. Thread the sensor carefully to avoid cross-threading and torque to manufacturer specifications.

Quality Assurance and Warranty

Denso’s OE Style line is designed to meet or exceed original equipment standards, ensuring reliable operation and longevity. This oxygen sensor undergoes rigorous testing to verify performance and durability. While specific warranty details are not provided here, Denso typically offers coverage consistent with OEM replacement parts, supporting confidence in the product’s quality.