OE Quality
60-Day Returns

Denso 234-4772 Oxygen Sensor - Downstream or Downstream Left
Overview of the Denso OE Style Oxygen Sensor 234-4772
The Denso OE Style Oxygen Sensor 234-4772 is designed specifically for select Dodge and Jeep models, including the Dakota, Durango, Liberty, Ram 1500, TJ, and Wrangler. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle’s engine management system.
- Heated sensor type for faster response times
- Specific fit for Dodge and Jeep vehicles
- Threaded mounting type with 0.708-inch thread diameter
- 11.81-inch wiring harness length with 4 wires
- Female connector for secure electrical connection
Detailed Features and Specifications
This oxygen sensor features a heated design, which allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions sooner after engine start. The 11.81-inch wiring harness length provides adequate reach for installation in the specified vehicle models. With a 0.708-inch threaded mounting type, the sensor securely fits into the exhaust system. The female connector and four-wire configuration ensure compatibility with the vehicle’s wiring harness, maintaining reliable signal transmission.
About the Denso OE Style Product Line
The Denso OE Style line focuses on delivering parts that meet original equipment specifications for fit, form, and function. The OE Style oxygen sensors are engineered to match the performance and durability of factory-installed components, making them suitable replacements for maintaining vehicle emissions compliance and engine efficiency. The 234-4772 part number is part of this line, ensuring it meets the standards expected for Dodge and Jeep applications.
Common Applications and Problem Resolution
- Restores accurate oxygen sensing for proper air-fuel mixture control
- Helps resolve rough idling and poor fuel economy issues
- Reduces emissions-related check engine light triggers
- Improves engine performance and throttle response
- Prevents failed emissions tests due to faulty sensor readings
Installation Notes and Tips
When installing the Denso 234-4772 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the female connector matches the vehicle’s wiring harness before installation. Proper torque specifications should be followed to prevent leaks or sensor damage. It is recommended to inspect wiring and connectors for corrosion or damage during replacement.
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 may vary, Denso typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain compliance with emissions regulations and supports the longevity of your Dodge or Jeep vehicle’s engine management system.
| Brand | Denso |
|---|---|
| Part Number | 234-4772 |
| Position | OE Style, Downstream |
| Connector Gender | Female |
| Mounting Type | Threaded |
| Sensor Type | Heated |
| Thread Diameter | 0.708 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Wiring Harness Length | 11.81 |
This part fits 20 vehicles. Search below:
| Year | Make | Model | Body Type | Transmission | Position | Notes |
|---|---|---|---|---|---|---|
| 2004 | Jeep | Wrangler | Downstream | OE Style | ||
| 2003 | Dodge | Dakota | Crew Cab Pickup | Downstream | Excluding California.; OE Style | |
| 2003 | Dodge | Dakota | Crew Cab Pickup | Downstream | OE Style | |
| 2003 | Dodge | Durango | Downstream | Excluding California.; OE Style | ||
| 2003 | Dodge | Ram 1500 | Automatic | Downstream | OE Style | |
| 2003 | Jeep | Liberty | Downstream Left | OE Style | ||
| 2003 | Jeep | Liberty | Downstream | OE Style | ||
| 2003 | Jeep | TJ | Downstream | OE Style | ||
| 2003 | Jeep | Wrangler | Downstream | OE Style | ||
| 2002 | Dodge | Dakota | Crew Cab Pickup | Downstream | Excluding California.; OE Style | |
| 2002 | Dodge | Dakota | Downstream | OE Style | ||
| 2002 | Dodge | Durango | Downstream | Excluding California.; OE Style | ||
| 2002 | Jeep | Liberty | Downstream Left | OE Style | ||
| 2002 | Jeep | Liberty | Downstream | OE Style | ||
| 2002 | Jeep | TJ | Downstream | OE Style | ||
| 2002 | Jeep | Wrangler | Downstream | OE Style | ||
| 2001 | Dodge | Dakota | Downstream | OE Style | ||
| 2001 | Dodge | Durango | Downstream | Excluding California.; OE Style | ||
| 2001 | Jeep | TJ | Downstream | OE Style | ||
| 2001 | Jeep | Wrangler | Downstream | OE Style |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.