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Denso 234-4217 Oxygen Sensor - Upstream Left
| Brand | Denso 234-4217 |
|---|---|
| Position | Upstream 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 | 10.04 |
| Product line | OE Style |
| Fits | Jeep · 2 vehicles |
OE style replacement. Precision-built for exact replacement and a first-time fit.
Heated sensor. Helps support faster operation and consistent performance.
Threaded mounting. Female connector and 4-wire design for a secure connection.
Cross-references ACDelco 213-2966, BorgWarner OS1472 and Bosch 13670 for the same application. See all 9.
Denso OE Style Oxygen Sensor for Jeep Liberty
The Denso 234-4217 is a specific-fit heated oxygen sensor built for OE-style replacement on 2002-2003 Jeep Liberty models in the upstream left position. It is designed for direct replacement service where accurate air-fuel feedback, stable engine operation, and proper emissions control matter.
For Jeep Liberty owners searching for a 2002-2003 Jeep Liberty upstream left oxygen sensor, this Denso OE Style part number 234-4217 matches the application with the correct connector, thread size, and harness length for a first-time fit.
Key Features
- Heated oxygen sensor for faster operating response
- Specific fit for 2002-2003 Jeep Liberty, upstream left
- 4-wire design with female connector
- Threaded mounting type with 0.708 in. thread diameter
- Wiring harness length: 10.04 in.
- OE Style replacement built to Denso’s original-equipment standards
- Part number 234-4217 for easy identification
Product Details
Denso OE Style oxygen sensors are manufactured and tested to OE-level standards for accurate replacement fitment and dependable sensor performance. This sensor uses Denso’s aluminum oxide trap layer to help protect the ceramic element from silicone and lead contamination, supporting long service life and consistent engine management feedback. If you need a Denso 234-4217 oxygen sensor for a Jeep Liberty, this unit is built for the upstream left location and direct installation on the specified vehicles.
This part cross-references Bosch 13670 and NTK 23139 for the same application.
Common Issues This Sensor Can Address
- Check engine light related to oxygen sensor performance
- Incorrect air-fuel ratio readings
- Poor fuel economy caused by faulty upstream sensor data
- Rough idle or inconsistent engine response
- Emissions test failure tied to sensor degradation
Installation Notes and Tips
Verify the upstream left position before installation and confirm connector style, wire count, and thread diameter match the original sensor. Inspect the harness routing and sensor bung threads before tightening the threaded mount. For best results, clear diagnostic trouble codes after installation and confirm the repair with a scan tool.
Quality Assurance
Denso manufactures and tests this OE Style oxygen sensor to strict original-equipment standards for fit and performance. The design focuses on exact replacement dimensions and contamination resistance to support reliable operation in the specified Jeep Liberty applications.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2003 | Jeep | Liberty | Upstream Left | OE Style |
| 2002 | Jeep | Liberty | Upstream Left | OE Style |
| No rows match your filter. | ||||