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Denso 234-9056 Air / Fuel Ratio Sensor - Upstream
| Brand | Denso 234-9056 |
|---|---|
| Position | Upstream |
| Connector Gender | Male |
| Grade Type | Regular |
| Sensor Type | Heated |
| Thread Diameter | 0.711 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Wiring Harness Length | 14.25 |
| Product line | OE Style |
| Fits | Toyota and Scion · 12 vehicles |
OE style replacement. Precision-built for exact replacement and a first-time fit.
Heated sensor. Helps maintain accurate air-fuel ratio monitoring.
Specific fit. Made for a direct, no-guess installation.
Cross-references ACDelco 213-2845, BorgWarner OS2312 and Bosch 15624 for the same application. See all 11.
Denso OE Style Air/Fuel Ratio Sensor 234-9056
Denso 234-9056 is an OE Style heated air/fuel ratio sensor built for exact replacement and first-time fit. It is engineered for specific applications and supports accurate air-fuel monitoring on select Toyota, Scion, and Prius models.
Key Features
- OE Style replacement from Denso
- Heated sensor design for faster operating readiness
- Specific fit for direct application matching
- 4-wire configuration with male connector
- Wiring harness length: 14.25
- Thread diameter: 0.711
- Built and tested to OE standards for consistent replacement fit
Product Details
This Denso air/fuel ratio sensor is manufactured to strict OE standards and precision-built for exact replacement. The Denso OE Style line focuses on direct-fit components that match the original application, helping maintain proper sensor response and connector compatibility. Part number 234-9056 is a direct replacement choice for upstream sensor locations on select Toyota Corolla, Toyota Matrix, Scion xD, and Toyota Prius applications.
This part cross-references Bosch 15624 and NTK 24661 for the same application.
What It Helps Address
- Check engine light related to air/fuel ratio sensor performance
- Incorrect upstream sensor readings
- Rough idle caused by inaccurate mixture feedback
- Fuel trim issues tied to sensor signal degradation
- Emissions test failures linked to sensor response problems
Installation Notes and Tips
Verify the upstream position and connector style before installation. Confirm harness length, 4-wire configuration, and thread diameter match the original sensor on the vehicle. For fitment, this part fits 2009-2010 Toyota Corolla, upstream; fits 2009-2010 Toyota Matrix, upstream; fits 2008-2009 Scion xD, upstream; and fits 2004-2009 Toyota Prius, upstream.
Quality Assurance
Denso manufactures and tests this sensor to OE standards for direct replacement performance and accurate fitment. The OE Style product line is intended to match original equipment dimensions and connection points for the listed applications.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2010 | Toyota | Corolla | Upstream | OE Style |
| 2010 | Toyota | Matrix | Upstream | OE Style |
| 2009 | Scion | xD | Upstream | OE Style |
| 2009 | Toyota | Corolla | Upstream | OE Style |
| 2009 | Toyota | Matrix | Upstream | OE Style |
| 2009 | Toyota | Prius | Upstream | OE Style |
| 2008 | Scion | xD | Upstream | OE Style |
| 2008 | Toyota | Prius | Upstream | OE Style |
| 2007 | Toyota | Prius | Upstream | OE Style |
| 2006 | Toyota | Prius | Upstream | OE Style |
| 2005 | Toyota | Prius | Upstream | OE Style |
| 2004 | Toyota | Prius | Upstream | OE Style |
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