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Denso 234-9030 Air / Fuel Ratio Sensor - Upstream
| Brand | Denso 234-9030 |
|---|---|
| Position | Upstream |
| Connector Gender | Female |
| Grade Type | Regular |
| Sensor Type | Heated |
| Thread Diameter | 0.711 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Wiring Harness Length | 11.81 |
| Product line | OE Style |
| Fits | Jaguar · 10 vehicles |
OE style replacement. Precision-built for exact replacement and a first-time fit.
Heated sensor. Engineered for reliable air-fuel ratio monitoring.
Female connector. Specific-fit design with a 4-wire harness.
Cross-references ACDelco 213-2855, Bosch 15846 and Delphi ES10939 for the same application. See all 7.
Denso OE Style Air/Fuel Ratio Sensor
Denso 234-9030 is an OE Style heated air/fuel ratio sensor built for precise replacement on select Jaguar applications. It is engineered for exact fitment with a specific-fit design, 4-wire configuration, and female connector for direct replacement service.
Compatible with 2003-2005 Jaguar S-Type, 2005 Jaguar Super V8, 2004-2005 Jaguar Vanden Plas, 2004-2005 Jaguar XJ8, and 2004-2005 Jaguar XJR in the upstream position.
Key Features
- OE Style replacement for direct-fit service
- Heated sensor design for faster operating temperature
- Specific fit application for accurate installation
- 4-wire configuration with female connector
- Wiring harness length: 11.81
- Thread diameter: 0.711
- Built and tested to OE standards
Product Details
The Denso OE Style line focuses on exact replacement parts that match original equipment fit and function. Part number 234-9030 is manufactured and tested to OE-level standards, with precision-built components intended to deliver first-time fit on the listed Jaguar models. This air/fuel ratio sensor is used in upstream locations and is specified for 2003-2005 Jaguar S-Type, 2005 Jaguar Super V8, 2004-2005 Jaguar Vanden Plas, 2004-2005 Jaguar XJ8, and 2004-2005 Jaguar XJR. This part cross-references Bosch 15846 and NTK 25631 for the same application.
Common Issues This Sensor May Address
- Check engine light related to air/fuel ratio sensor performance
- Incorrect upstream sensor readings
- Rough idle caused by inaccurate mixture feedback
- Fuel trim problems from a failing heated sensor
- Emissions test failures tied to sensor response issues
Installation Notes and Tips
Verify the upstream sensor location before installation and confirm connector style, wire count, and thread diameter match the original part. Because this is a specific-fit sensor, compare the vehicle application and harness length to the factory unit before replacement. For Jaguar S-Type, XJ8, XJR, Vanden Plas, and Super V8 applications, inspect the connector and routing path to ensure proper placement and secure attachment.
Quality Assurance
Denso manufactures this OE Style sensor to strict original-equipment standards and tests each component for replacement accuracy and fit consistency. Part number 234-9030 is built for direct replacement service on the listed Jaguar applications.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2005 | Jaguar | S-Type | Upstream | OE Style |
| 2005 | Jaguar | Super V8 | Upstream | OE Style |
| 2005 | Jaguar | Vanden Plas | Upstream | OE Style |
| 2005 | Jaguar | XJ8 | Upstream | OE Style |
| 2005 | Jaguar | XJR | Upstream | OE Style |
| 2004 | Jaguar | S-Type | Upstream | OE Style |
| 2004 | Jaguar | Vanden Plas | Upstream | OE Style |
| 2004 | Jaguar | XJ8 | Upstream | OE Style |
| 2004 | Jaguar | XJR | Upstream | OE Style |
| 2003 | Jaguar | S-Type | Upstream | OE Style |
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