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Denso 234-4427 Oxygen Sensor - Downstream
| Brand | Denso 234-4427 |
|---|---|
| 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 | 8.66 |
| Product line | OE Style |
| Fits | Suzuki · 2 vehicles |
OE-style replacement. Precision-built for an exact, 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 213-1490, Delphi ES20145 and NTK 25185 for the same application. See all 6.
Denso OE Style Oxygen Sensor for Suzuki Forenza
The Denso 234-4427 is a specific-fit heated oxygen sensor built for 2004-2005 Suzuki Forenza downstream applications. It is engineered to match OE-style fitment and signal performance for accurate exhaust monitoring and dependable drivability.
Key Features
- Specific-fit heated oxygen sensor for direct replacement
- OE Style design for 2004-2005 Suzuki Forenza downstream placement
- 4-wire configuration with female connector
- Threaded mounting with 0.708 in. thread diameter
- 8.66 in. wiring harness length for application-specific routing
- Built with Denso’s aluminum oxide trap layer to help protect the ceramic element from silicone and lead contamination
Product Details
Denso 234-4427 is an emission control sensor designed for downstream exhaust monitoring on the 2004-2005 Suzuki Forenza. As part of Denso’s OE Style line, this oxygen sensor is precision built for exact replacement and first-time fit. The heated, 4-wire design supports stable sensor operation, while the threaded mounting style and female connector help match the original vehicle configuration. This part cross-references ACDelco 213-1490 for the same application.
Denso’s OE Style oxygen sensor line is developed to meet strict original-equipment standards, with attention to fit, response, and durability. The protective trap layer is intended to reduce contamination-related wear, helping maintain engine performance and fuel efficiency over time. If you are searching for a downstream oxygen sensor for Suzuki Forenza 2004-2005, Denso 234-4427 provides a direct-fit replacement option.
Common Issues This Sensor Can Address
- Check engine light related to downstream oxygen sensor faults
- Incorrect exhaust oxygen readings affecting fuel control strategy
- Reduced fuel economy caused by a failing sensor signal
- Rough or inconsistent engine operation tied to emission sensor errors
- Inspection or emissions test failures caused by sensor malfunction
Installation Notes and Tips
Verify downstream placement before installation and confirm connector style, thread diameter, and harness length match the original sensor. Inspect the exhaust bung threads and wiring route before tightening the sensor into place. For best results, clear diagnostic trouble codes after installation and confirm the repair with a scan tool.
Quality Assurance
Denso manufactures and tests this oxygen sensor to OE standards for fit and performance. The OE Style product line is focused on exact replacement parts that match original vehicle requirements for the 2004-2005 Suzuki Forenza.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2005 | Suzuki | Forenza | Downstream | OE Style |
| 2004 | Suzuki | Forenza | Downstream | OE Style |
| No rows match your filter. | ||||