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Denso 234-4103 Oxygen Sensor
Overview of the Denso OE Style Oxygen Sensor 234-4103
The Denso OE Style Oxygen Sensor 234-4103 is designed for precise emission control in select GM vehicles. This heated oxygen sensor features a specific fitment for models such as the Chevrolet Silverado 1500 HD and Cadillac Escalade, ensuring accurate air-fuel mixture readings for optimal engine performance.
- Heated sensor type for faster response times
- Specific fit for Buick, Cadillac, Chevrolet, GMC, and Pontiac models
- 14.76-inch wiring harness length for proper installation
- Four-wire configuration with female connector
- Threaded mounting with 0.708-inch thread diameter
Detailed Features and Specifications
This oxygen sensor from Denso’s OE Style line is engineered to meet original equipment standards. The heated sensor element allows quicker activation, reducing emissions during cold starts. With a 14.76-inch wiring harness and a four-wire setup, it provides reliable electrical connections and signal transmission. The female connector and threaded mounting type with a 0.708-inch diameter ensure compatibility and secure installation in specific GM vehicles.
About the Denso OE Style Product Line
The OE Style product line by Denso focuses on delivering parts that match original equipment specifications for direct replacement. This ensures that the oxygen sensor 234-4103 maintains factory-level performance and fitment, making it suitable for vehicles requiring precise emission control components without modification.
Compatible Vehicles and Common Applications
- Buick Allure and LaCrosse
- Cadillac Escalade, Escalade EXT
- Chevrolet Avalanche 2500, Silverado 1500 HD, Suburban 2500
- GMC Sierra 1500, Sierra 2500 HD, Sierra 3500, Yukon XL 1500
- Pontiac Grand Prix
Issues Addressed by the Denso Oxygen Sensor 234-4103
- Incorrect air-fuel mixture readings causing poor fuel economy
- Check engine light triggered by faulty oxygen sensor signals
- Increased emissions due to sensor malfunction
- Engine performance issues such as rough idling or hesitation
- Failed emissions tests related to sensor accuracy
Installation Notes and Tips
Ensure the vehicle is cool before installation to avoid injury. Disconnect the battery to prevent electrical shorts. The 14.76-inch wiring harness length allows for proper routing without strain. Use the correct tools to remove the old sensor and install the new threaded sensor securely. Verify the female connector is fully seated to maintain signal integrity.
Quality Assurance and Warranty
Denso OE Style oxygen sensors are manufactured to meet strict quality standards and original equipment specifications. This part number 234-4103 undergoes rigorous testing to ensure durability and performance. Warranty coverage details should be confirmed with the parts provider or manufacturer documentation.
| Brand | Denso |
| Part Number | 234-4103 |
| Position | OE Style, 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 | 14.76 |
This part fits 72 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2009 | Buick | Allure | Downstream | OE Style |
| 2009 | Buick | LaCrosse | Downstream | OE Style |
| 2008 | Buick | Allure | Downstream | OE Style |
| 2008 | Buick | LaCrosse | Downstream | OE Style |
| 2008 | Pontiac | Grand Prix | Downstream | OE Style |
| 2002 | Cadillac | Escalade | Upstream | OE Style |
| 2002 | Cadillac | Escalade EXT | Upstream | OE Style |
| 2002 | Chevrolet | Avalanche 2500 | Upstream Right | OE Style |
| 2002 | Chevrolet | Avalanche 2500 | Upstream Left | OE Style |
| 2002 | Chevrolet | Avalanche 2500 | Downstream Right | OE Style |
| 2002 | Chevrolet | Express 3500 | Upstream | OE Style |
| 2002 | Chevrolet | Express 3500 | Downstream | OE Style |
| 2002 | Chevrolet | Silverado 1500 HD | Upstream | OE Style |
| 2002 | Chevrolet | Silverado 2500 | Upstream | OE Style |
| 2002 | Chevrolet | Silverado 2500 HD | Upstream | OE Style |
| 2002 | Chevrolet | Silverado 2500 HD | Downstream Right | OE Style |
| 2002 | Chevrolet | Silverado 3500 | Upstream | OE Style |
| 2002 | Chevrolet | Silverado 3500 | Downstream Right | OE Style |
| 2002 | Chevrolet | Suburban 2500 | Upstream | OE Style |
| 2002 | Chevrolet | Suburban 2500 | Downstream Right | OE Style |
| 2002 | GMC | Savana 3500 | Upstream | OE Style |
| 2002 | GMC | Savana 3500 | Downstream | OE Style |
| 2002 | GMC | Sierra 1500 | Upstream | OE Style |
| 2002 | GMC | Sierra 1500 HD | Upstream | OE Style |
| 2002 | GMC | Sierra 2500 | Upstream | OE Style |
| 2002 | GMC | Sierra 2500 HD | Upstream | OE Style |
| 2002 | GMC | Sierra 2500 HD | Downstream Right | OE Style |
| 2002 | GMC | Sierra 3500 | Upstream | OE Style |
| 2002 | GMC | Sierra 3500 | Downstream Right | OE Style |
| 2002 | GMC | Yukon | Upstream | OE Style |
| 2002 | GMC | Yukon XL 1500 | Upstream | OE Style |
| 2002 | GMC | Yukon XL 2500 | Upstream | OE Style |
| 2002 | GMC | Yukon XL 2500 | Downstream Right | OE Style |
| 2001 | Chevrolet | Express 3500 | Upstream | OE Style |
| 2001 | Chevrolet | Express 3500 | Downstream | OE Style |
| 2001 | Chevrolet | Silverado 1500 HD | Upstream | OE Style |
| 2001 | Chevrolet | Silverado 2500 | Upstream | OE Style |
| 2001 | Chevrolet | Silverado 2500 HD | Upstream | OE Style |
| 2001 | Chevrolet | Silverado 2500 HD | Downstream Right | OE Style |
| 2001 | Chevrolet | Silverado 3500 | Upstream | OE Style |
| 2001 | Chevrolet | Silverado 3500 | Downstream Right | OE Style |
| 2001 | Chevrolet | Suburban 2500 | Upstream | OE Style |
| 2001 | Chevrolet | Suburban 2500 | Downstream Right | OE Style |
| 2001 | GMC | Savana 3500 | Upstream | OE Style |
| 2001 | GMC | Savana 3500 | Downstream | OE Style |
| 2001 | GMC | Sierra 1500 | Upstream | OE Style |
| 2001 | GMC | Sierra 1500 HD | Upstream | OE Style |
| 2001 | GMC | Sierra 2500 | Upstream | OE Style |
| 2001 | GMC | Sierra 2500 HD | Upstream | OE Style |
| 2001 | GMC | Sierra 2500 HD | Downstream Right | OE Style |
| 2001 | GMC | Sierra 3500 | Upstream | OE Style |
| 2001 | GMC | Sierra 3500 | Downstream Right | OE Style |
| 2001 | GMC | Yukon | Upstream | OE Style |
| 2001 | GMC | Yukon XL 1500 | Upstream | OE Style |
| 2001 | GMC | Yukon XL 2500 | Upstream | OE Style |
| 2001 | GMC | Yukon XL 2500 | Downstream Right | OE Style |
| 2000 | Chevrolet | C2500 | Upstream | OE Style |
| 2000 | Chevrolet | C2500 | Downstream | California exempt parts can be used on pollution controlled vehicles in California.; OE Style |
| 2000 | Chevrolet | C3500 | Upstream | OE Style |
| 2000 | Chevrolet | C3500 | Downstream | California exempt parts can be used on pollution controlled vehicles in California.; OE Style |
| 2000 | Chevrolet | K2500 | Upstream | OE Style |
| 2000 | Chevrolet | K2500 | Downstream | California exempt parts can be used on pollution controlled vehicles in California.; OE Style |
| 2000 | Chevrolet | K3500 | Upstream | OE Style |
| 2000 | Chevrolet | K3500 | Downstream | California exempt parts can be used on pollution controlled vehicles in California.; OE Style |
| 2000 | GMC | C2500 | Upstream | OE Style |
| 2000 | GMC | C2500 | Downstream | California exempt parts can be used on pollution controlled vehicles in California.; OE Style |
| 2000 | GMC | C3500 | Upstream | OE Style |
| 2000 | GMC | C3500 | Downstream | California exempt parts can be used on pollution controlled vehicles in California.; OE Style |
| 2000 | GMC | K2500 | Upstream | OE Style |
| 2000 | GMC | K2500 | Downstream | California exempt parts can be used on pollution controlled vehicles in California.; OE Style |
| 2000 | GMC | K3500 | Upstream | OE Style |
| 2000 | GMC | K3500 | Downstream | California exempt parts can be used on pollution controlled vehicles in California.; OE Style |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.