OE Quality
60-Day Returns

Denso 234-4747 Oxygen Sensor - Downstream Left
Overview of the Denso OE Style Oxygen Sensor 234-4747
The Denso OE Style Oxygen Sensor 234-4747 is designed specifically for Jeep Grand Cherokee models, providing precise emission control and engine performance monitoring. This heated oxygen sensor features a threaded mounting type and a 13.98-inch wiring harness, ensuring a secure and accurate fit for your vehicle.
- Heated oxygen sensor for faster response times
- Specific fit for Jeep Grand Cherokee models
- Threaded mounting type with 0.708-inch thread diameter
- 13.98-inch wiring harness length for optimal installation
- Four-wire configuration with female connector
Detailed Product Description
The Denso OE Style line focuses on providing original equipment quality replacement parts that match the specifications of the factory-installed components. The 234-4747 oxygen sensor is a heated sensor, which means it includes an internal heating element to bring the sensor up to operating temperature quickly. This feature improves fuel efficiency and reduces emissions by allowing the engine control unit to adjust the air-fuel mixture more accurately. The sensor’s four-wire design includes two wires for the heating element and two for the sensor signal, connected via a female connector. The 0.708-inch threaded mounting ensures a secure fit in the exhaust system of Jeep Grand Cherokee vehicles. With a wiring harness length of 13.98 inches, this sensor provides sufficient reach for proper installation without excess slack.
Common Applications and Issues Addressed
- Helps maintain optimal air-fuel ratio for efficient combustion
- Reduces engine misfires and rough idling caused by faulty sensors
- Prevents increased emissions and failed emissions tests
- Improves fuel economy by providing accurate oxygen level readings
- Resolves check engine light triggers related to oxygen sensor faults
Installation Notes and Tips
When installing the Denso OE Style 234-4747 oxygen sensor on a Jeep Grand Cherokee, ensure the sensor is threaded securely without over-tightening to avoid damage. The 13.98-inch wiring harness length allows for straightforward routing to the vehicle’s connector. Verify the female connector matches the vehicle’s wiring harness before installation. It is recommended to use anti-seize compound on the threads to facilitate future removal. Always disconnect the battery before installation to prevent electrical shorts.
Quality Assurance and Warranty
Denso’s OE Style product line is engineered to meet or exceed original equipment specifications, ensuring reliable performance and durability. This oxygen sensor undergoes rigorous testing to comply with emission control standards. While specific warranty details are not provided here, Denso typically offers limited warranties on their OE Style parts, reflecting confidence in their quality and longevity.
| Brand | Denso |
|---|---|
| Part Number | 234-4747 |
| Position | OE Style, Downstream Left |
| Connector Gender | Female |
| Mounting Type | Threaded |
| Sensor Type | Heated |
| Thread Diameter | 0.708 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Wiring Harness Length | 13.98 |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2004 | Jeep | Grand Cherokee | Downstream Left | OE Style |
| 2003 | Jeep | Grand Cherokee | Downstream Left | OE Style |
| 2002 | Jeep | Grand Cherokee | Downstream Left | OE Style |
| 2001 | Jeep | Grand Cherokee | Downstream Left | 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.