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Denso 234-4774 Oxygen Sensor - Downstream
| Brand | Denso 234-4774 |
|---|---|
| Position | Downstream |
| Wiring Harness Length | 15.47 |
| Sensor Type | Heated |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Connector Gender | Female |
| Thread Diameter | 0.708 |
| Mounting Type | Threaded |
| Product line | OE Style |
| Fits | Chevrolet · 6 vehicles |
OE style replacement. Precision-built for exact replacement and a first-time fit.
Heated sensor. Helps support quicker operation and consistent emissions control.
Threaded mounting. Female connector and 4-wire design for a straightforward install.
Cross-references GMC 25182983, NTK 21559 and Walker Products 250-24703 for the same application. See all 4.
Denso OE Style Oxygen Sensor 234-4774
Denso 234-4774 is an OE Style heated oxygen sensor built for direct replacement in specific applications. It is engineered for the 2013-2015 Chevrolet Spark downstream position and uses a threaded, 4-wire design with a female connector for a precise fit.
For drivers searching for a downstream oxygen sensor for 2013-2015 Chevrolet Spark models, this Denso part number 234-4774 follows OE-style dimensions and connector layout to match the original sensor location.
Key Features
- Heated oxygen sensor for downstream exhaust monitoring
- Specific fit design for exact application matching
- 4-wire configuration with female connector
- Threaded mounting type with 0.708 in. thread diameter
- 15.47 in. wiring harness length
- OE Style replacement from Denso
Product Details
Denso’s OE Style oxygen sensor line is manufactured and tested to OE standards, with precision-built components intended to match the original part’s fit and function. The sensor uses Denso’s aluminum oxide trap layer to help protect the ceramic element from silicone and lead contamination, supporting stable engine management and consistent exhaust feedback. This makes the Denso 234-4774 a direct-fit choice for the downstream oxygen sensor location on the Chevrolet Spark.
This part cross-references NTK 21559 for the same application.
What This Sensor Helps Address
- Check engine light related to downstream oxygen sensor faults
- Incorrect exhaust oxygen readings reported to the engine control system
- Reduced fuel economy caused by a failing sensor signal
- Rough or inconsistent engine performance tied to sensor degradation
- Fitment issues from using a universal sensor instead of a specific-fit replacement
Installation Notes and Tips
Fits 2013-2015 Chevrolet Spark, downstream. Confirm the connector style, wire count, and threaded mounting location before installation. Use the vehicle’s original sensor routing and mounting point to maintain proper harness length and exhaust clearance. This OE Style replacement is intended for direct-fit service on the listed application.
Quality Assurance
Denso manufactures and tests this oxygen sensor to strict OE standards for replacement accuracy and consistent performance. The OE Style design focuses on first-time fit and application-specific dimensions for the listed Chevrolet Spark fitment.
| Year | Make | Model | Transmission | Position | Notes |
|---|---|---|---|---|---|
| 2015 | Chevrolet | Spark | Manual | Downstream | OE Style |
| 2015 | Chevrolet | Spark | — | Downstream | OE Style |
| 2014 | Chevrolet | Spark | Manual | Downstream | OE Style |
| 2014 | Chevrolet | Spark | — | Downstream | OE Style |
| 2013 | Chevrolet | Spark | Manual | Downstream | OE Style |
| 2013 | Chevrolet | Spark | — | Downstream | OE Style |
| No rows match your filter. | |||||