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Denso 234-4166 Oxygen Sensor - Downstream or Downstream Right
| Brand | Denso 234-4166 |
|---|---|
| Position | Downstream Right |
| Connector Gender | Male |
| Mounting Type | Threaded |
| Sensor Type | Heated |
| Thread Diameter | 0.708 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Wiring Harness Length | 28.35 |
| Product line | OE Style |
| Fits | Hyundai and Kia · 8 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. Installs with a secure, direct-fit connection.
Cross-references ACDelco 213-2896, ACDelco 213-3886 and Bosch 13773 for the same application. See all 16.
Denso OE Style Oxygen Sensor 234-4166
Denso 234-4166 is an OE-style heated oxygen sensor built for specific-fit replacement on select Hyundai Santa Fe and Kia Sorento applications. It is engineered to match factory fitment and signal requirements, helping restore accurate exhaust monitoring and consistent engine management.
Key Features
- Specific-fit heated oxygen sensor for direct replacement
- OE-style design for factory-style fit and function
- 4-wire configuration with male connector
- Threaded mounting with 0.708 in. thread diameter
- 28.35 in. wiring harness length
- Built with Denso’s aluminum oxide trap layer to help protect the ceramic element from silicone and lead contamination
Product Details
Denso’s OE Style line focuses on exact replacement parts that are precision built for first-time fit. This oxygen sensor is manufactured and tested to OE standards and uses a heated sensing design for stable operation once the exhaust reaches temperature. The Denso 234-4166 is a direct replacement choice for drivers servicing emissions and fuel-control systems on 2003-2006 Hyundai Santa Fe and 2003-2006 Kia Sorento models.
This part cross-references Bosch 13773 and NTK 25162 for the same application.
Vehicle Fitment
- Fits 2003-2006 Hyundai Santa Fe, Downstream Right, OE Style
- Fits 2003-2006 Kia Sorento, Downstream, OE Style
What It Helps Address
- Check engine light related to oxygen sensor performance
- Incorrect air-fuel ratio feedback to the engine control module
- Reduced fuel economy caused by a worn downstream sensor
- Slow or inaccurate exhaust oxygen readings
- Emissions test failures tied to sensor degradation
Installation Notes
Use the threaded mounting design and verify connector style, wire count, and harness length before installation. Confirm the downstream location and vehicle application for 2003-2006 Hyundai Santa Fe or 2003-2006 Kia Sorento before replacing the sensor. Proper exhaust-thread preparation and correct torque help support a secure installation.
Quality Assurance
Denso manufactures and tests this sensor to OE standards for factory-style replacement performance. The OE Style product line is built for exact fitment and consistent operation, with contamination-resistant construction intended to support long service life.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2006 | Hyundai | Santa Fe | Downstream Right | OE Style |
| 2006 | Kia | Sorento | Downstream | OE Style |
| 2005 | Hyundai | Santa Fe | Downstream Right | OE Style |
| 2005 | Kia | Sorento | Downstream | OE Style |
| 2004 | Hyundai | Santa Fe | Downstream Right | OE Style |
| 2004 | Kia | Sorento | Downstream | OE Style |
| 2003 | Hyundai | Santa Fe | Downstream Right | OE Style |
| 2003 | Kia | Sorento | Downstream | OE Style |
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