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Denso 234-9057 Air / Fuel Ratio Sensor - Upstream Rear
| Brand | Denso 234-9057 |
|---|---|
| Position | Upstream Rear |
| Connector Gender | Male |
| Grade Type | Regular |
| Sensor Type | Heated |
| Thread Diameter | 0.711 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Wiring Harness Length | 9.06 |
| Product line | OE Style |
| Fits | Toyota and Lexus · 11 vehicles |
OE style replacement. Precision-built for exact replacement and a first-time fit.
Heated sensor. Helps maintain accurate air-fuel ratio monitoring.
4-wire design. Uses a male connector for straightforward installation.
Cross-references ACDelco 213-2846, ACDelco 213-2847 and BorgWarner OS2210 for the same application. See all 13.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Denso OE Style Air/Fuel Ratio Sensor
Denso Part Number 234-9057 is an OE Style heated air/fuel ratio sensor built for specific-fit replacement on select Toyota and Lexus applications. It is engineered for exact fitment and consistent signal performance, making it a direct choice for 2004-2008 Toyota Solara, 2004-2006 Lexus ES330, and 2004-2006 Toyota Camry upstream rear locations.
Key Features
- Heated air/fuel ratio sensor for faster operating temperature
- Specific-fit design for direct replacement
- 4-wire configuration with male connector
- Wiring harness length: 9.06
- Thread diameter: 0.711
- OE Style construction for factory-style fit and function
Product Details
Denso 234-9057 is manufactured and tested to OE-level standards for precise replacement fitment. The OE Style line focuses on parts that match original equipment dimensions and connection points, helping maintain proper sensor installation on the upstream rear position. This air/fuel ratio sensor is a strong match for drivers searching for a Denso 234-9057 air fuel ratio sensor for Toyota Camry, Lexus ES330 oxygen sensor replacement, or a Toyota Solara upstream rear sensor.
This part cross-references Bosch 15489 and NTK 24663 for the same application.
What This Sensor Helps Address
- Check engine light related to air/fuel ratio sensor performance
- Rough idle caused by inaccurate exhaust feedback
- Fuel trim issues from a slow or faulty upstream sensor
- Emissions test failures tied to sensor response problems
- Driveability concerns from incorrect air/fuel mixture control
Installation Notes and Tips
Verify the connector style, wire count, and thread diameter before installation. This is a specific-fit sensor for the upstream rear position, so confirm the vehicle application and sensor location on the exhaust system before ordering. For best results, inspect the harness routing and connector condition during replacement.
Quality Assurance
Denso builds this OE Style sensor to strict original-equipment standards and tests each component for replacement accuracy and first-time fit. That focus on OE-level manufacturing helps support reliable installation on the listed Toyota and Lexus applications.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2008 | Toyota | Solara | Upstream Rear | OE Style |
| 2007 | Toyota | Solara | Upstream Rear | OE Style |
| 2006 | Lexus | ES330 | Upstream Rear | OE Style |
| 2006 | Toyota | Camry | Upstream Rear | OE Style |
| 2006 | Toyota | Solara | Upstream Rear | OE Style |
| 2005 | Lexus | ES330 | Upstream Rear | OE Style |
| 2005 | Toyota | Camry | Upstream Rear | OE Style |
| 2005 | Toyota | Solara | Upstream Rear | OE Style |
| 2004 | Lexus | ES330 | Upstream Rear | OE Style |
| 2004 | Toyota | Camry | Upstream Rear | OE Style |
| 2004 | Toyota | Solara | Upstream Rear | OE Style |
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