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Denso 234-4042 Oxygen Sensor - Downstream
| Brand | Denso 234-4042 |
|---|---|
| Position | 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 | 15.94 |
| Product line | OE Style |
| Fits | Hyundai and Mitsubishi · 24 vehicles |
OE style replacement. Precision-built for exact replacement and a first-time fit.
Heated sensor. Helps support faster operation and consistent performance.
Aluminum oxide trap layer. Protects the ceramic element from silicone and lead contamination.
Cross-references ACDelco 213-1404, BorgWarner OS906 and BorgWarner OS908 for the same application. See all 26.
Denso 234-4042 Oxygen Sensor for Hyundai and Mitsubishi
Denso 234-4042 is an OE-style heated oxygen sensor built for specific downstream applications on select Hyundai Sonata, Hyundai Elantra, Hyundai Excel, and Mitsubishi Precis models. It is engineered for exact replacement fitment, stable sensor response, and reliable exhaust monitoring.
Key Features
- Heated oxygen sensor for downstream exhaust placement
- Specific fit design for direct replacement applications
- 4-wire configuration with female connector
- Threaded mounting with 0.708 in. thread diameter
- 15.94 in. wiring harness length for application-specific routing
- OE-style construction for Hyundai Sonata oxygen sensor replacement needs
OE-Style Construction
Denso’s OE Style line is built to match original equipment dimensions and performance expectations. The 234-4042 oxygen sensor uses precision-built components for first-time fitment and consistent installation on downstream locations. Denso also incorporates an aluminum oxide trap layer to help protect the ceramic element from silicone and lead contamination, supporting long service life and dependable engine management feedback.
This part cross-references Bosch 13745 and NTK 24066 for the same application.
Vehicle Fitment
- Fits 1999-2005 Hyundai Sonata, downstream, w/ catalyst in exhaust pipe (under floor plan); OE Style
- Fits 1996-1998 Hyundai Sonata, downstream; OE Style
- Fits 1997-1998 Hyundai Sonata, downstream, excluding California; OE Style
- Fits 1995 Hyundai Elantra, downstream; OE Style
- Fits 1993-1995 Hyundai Sonata, downstream, California exempt parts can be used on pollution controlled vehicles in California; OE Style
- Fits 1994 Hyundai Elantra, downstream, California exempt parts can be used on pollution controlled vehicles in California; OE Style
- Fits 1992-1994 Hyundai Excel, downstream; OE Style
- Fits 1992-1994 Mitsubishi Precis, downstream; OE Style
- Fits 1993 Hyundai Elantra, downstream, from 07/01/93; Calif.; OE Style
Common Uses
- Replacing a failed downstream oxygen sensor on a Hyundai Sonata
- Restoring proper exhaust feedback on a Hyundai Elantra or Excel
- Addressing check engine light concerns related to oxygen sensor performance
- Correcting fuel control issues caused by inaccurate exhaust readings
- Replacing a worn sensor with an OE-style direct-fit unit
Installation Notes and Quality Assurance
Confirm the downstream sensor location, connector style, wire count, and thread size before installation. This sensor is specific fit, so matching the vehicle year, model, and emissions configuration is important for proper installation. Denso manufactures and tests these oxygen sensors to OE standards for consistent replacement performance and fit.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2005 | Hyundai | Sonata | Downstream | w/ Catalyst in Exhaust Pipe (Under Floor Plan); OE Style |
| 2004 | Hyundai | Sonata | Downstream | w/ Catalyst in Exhaust Pipe (Under Floor Plan); OE Style |
| 2003 | Hyundai | Sonata | Downstream | w/ Catalyst in Exhaust Pipe (Under Floor Plan); OE Style |
| 2002 | Hyundai | Sonata | Downstream | w/ Catalyst in Exhaust Pipe (Under Floor Plan); OE Style |
| 2001 | Hyundai | Sonata | Downstream | w/ Catalyst in Exhaust Pipe (Under Floor Plan); OE Style |
| 2000 | Hyundai | Sonata | Downstream | w/ Catalyst in Exhaust Pipe (Under Floor Plan); OE Style |
| 1999 | Hyundai | Sonata | Downstream | w/ Catalyst in Exhaust Pipe (Under Floor Plan); OE Style |
| 1998 | Hyundai | Sonata | Downstream | OE Style |
| 1998 | Hyundai | Sonata | Downstream | Excluding California.; OE Style |
| 1997 | Hyundai | Sonata | Downstream | OE Style |
| 1997 | Hyundai | Sonata | Downstream | Excluding California.; OE Style |
| 1996 | Hyundai | Sonata | Downstream | OE Style |
| 1995 | Hyundai | Elantra | Downstream | OE Style |
| 1995 | Hyundai | Sonata | Downstream | California exempt parts can be used on pollution controlled vehicles in California.; OE Style |
| 1994 | Hyundai | Elantra | Downstream | California exempt parts can be used on pollution controlled vehicles in California.; OE Style |
| 1994 | Hyundai | Excel | Downstream | OE Style |
| 1994 | Hyundai | Sonata | Downstream | California exempt parts can be used on pollution controlled vehicles in California.; OE Style |
| 1994 | Mitsubishi | Precis | Downstream | OE Style |
| 1993 | Hyundai | Elantra | Downstream | From 07/01/93; Calif.; OE Style |
| 1993 | Hyundai | Excel | Downstream | OE Style |
| 1993 | Hyundai | Sonata | Downstream | California exempt parts can be used on pollution controlled vehicles in California.; OE Style |
| 1993 | Mitsubishi | Precis | Downstream | OE Style |
| 1992 | Hyundai | Excel | Downstream | OE Style |
| 1992 | Mitsubishi | Precis | Downstream | OE Style |
| No rows match your filter. | ||||