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Denso 234-4565 Oxygen Sensor
Overview of the Denso OE Style Oxygen Sensor 234-4565
The Denso OE Style Oxygen Sensor 234-4565 is designed specifically for select Buick, Cadillac, Chevrolet, and GMC models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases precisely.
- Heated sensor type for faster response times
- Specific fit for Buick Acadia, Cadillac ATS, Chevrolet Camaro, and GMC Enclave among others
- Threaded mounting type with 0.708 thread diameter
- 10.24-inch wiring harness length with 4 wires
- Female connector for secure electrical connection
Detailed Features and Specifications
The Denso 234-4565 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its specific fitment ensures compatibility with models such as the Buick Acadia Limited, Cadillac CTS, Chevrolet Caprice, and GMC Traverse. The sensor includes a 10.24-inch wiring harness with four wires and a female connector, facilitating a reliable electrical connection. The threaded mounting type with a 0.708-inch diameter allows for secure installation in the exhaust system.
About the OE Style Product Line
The Denso OE Style line is engineered to meet original equipment specifications, providing a direct replacement for factory-installed parts. This ensures that the 234-4565 oxygen sensor maintains the performance and reliability expected from the original sensor, supporting proper emissions control and engine management systems.
Common Applications and Issues Addressed
- Restores accurate oxygen sensing for proper air-fuel mixture
- Helps resolve rough idling and poor fuel economy
- Reduces emissions-related check engine light triggers
- Improves engine performance and responsiveness
- Prevents failed emissions tests due to faulty sensors
Installation Notes and Tips
When installing the Denso 234-4565 oxygen sensor, ensure the threaded mounting is tightened to manufacturer torque specifications to avoid exhaust leaks. The 10.24-inch wiring harness length provides flexibility for routing, and the female connector should be securely attached to the vehicle’s wiring harness. It is recommended to inspect the wiring and connector for damage before installation.
Quality Assurance and Warranty
Denso manufactures the 234-4565 oxygen sensor to meet strict quality standards consistent with original equipment. The OE Style product line is designed for durability and reliable performance. Warranty coverage details should be confirmed with the supplier or manufacturer.
| Brand | Denso |
| Part Number | 234-4565 |
| Position | Oxygen Sensor - OE Style, Downstream, Downstream Right, Downstream Left, and Upstream |
| Wiring Harness Length | 10.24 |
| Sensor Type | Heated |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Connector Gender | Female |
| Thread Diameter | 0.708 |
| Mounting Type | Threaded |
This part fits 76 vehicles. Search below:
| Year | Make | Model | Submodel | Transmission | Position | Notes |
|---|---|---|---|---|---|---|
| 2019 | Cadillac | ATS | Downstream Left | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style | ||
| 2019 | Cadillac | CTS | Downstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style | ||
| 2018 | Cadillac | ATS | Downstream | OE Style | ||
| 2018 | Cadillac | CTS | Downstream | OE Style | ||
| 2017 | Buick | Enclave | Upstream | OE Style | ||
| 2017 | Cadillac | ATS | Downstream | OE Style | ||
| 2017 | Cadillac | CTS | Downstream | OE Style | ||
| 2017 | Chevrolet | Caprice | Upstream | OE Style | ||
| 2017 | Chevrolet | Caprice | Downstream | OE Style | ||
| 2017 | Chevrolet | Traverse | Upstream | OE Style | ||
| 2017 | GMC | Acadia Limited | Upstream | O.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style | ||
| 2016 | Buick | Enclave | Upstream | OE Style | ||
| 2016 | Cadillac | ATS | Downstream | OE Style | ||
| 2016 | Cadillac | CTS | Downstream | OE Style | ||
| 2016 | Chevrolet | Caprice | Upstream | OE Style | ||
| 2016 | Chevrolet | Caprice | Downstream | OE Style | ||
| 2016 | Chevrolet | Traverse | Upstream | OE Style | ||
| 2016 | GMC | Acadia | Upstream | OE Style | ||
| 2015 | Buick | Enclave | Upstream | OE Style | ||
| 2015 | Cadillac | ATS | Downstream | OE Style | ||
| 2015 | Cadillac | CTS | Downstream | OE Style | ||
| 2015 | Chevrolet | Caprice | Upstream | OE Style | ||
| 2015 | Chevrolet | Caprice | Downstream | OE Style | ||
| 2015 | Chevrolet | Traverse | Upstream | OE Style | ||
| 2015 | GMC | Acadia | Upstream | OE Style | ||
| 2014 | Buick | Enclave | Upstream | OE Style | ||
| 2014 | Cadillac | ATS | Downstream | OE Style | ||
| 2014 | Cadillac | CTS | Downstream Right | OE Style | ||
| 2014 | Cadillac | CTS | Luxury | Downstream Left | OE Style | |
| 2014 | Chevrolet | Caprice | Upstream | OE Style | ||
| 2014 | Chevrolet | Caprice | Downstream | OE Style | ||
| 2014 | Chevrolet | Traverse | Upstream | OE Style | ||
| 2014 | GMC | Acadia | Upstream | OE Style | ||
| 2013 | Buick | Enclave | Upstream | OE Style | ||
| 2013 | Cadillac | ATS | Downstream | OE Style | ||
| 2013 | Cadillac | CTS | Downstream Right | OE Style | ||
| 2013 | Chevrolet | Caprice | Upstream | OE Style | ||
| 2013 | Chevrolet | Caprice | Downstream | OE Style | ||
| 2013 | Chevrolet | Traverse | Upstream | OE Style | ||
| 2013 | GMC | Acadia | Upstream | OE Style | ||
| 2012 | Buick | Enclave | Upstream | OE Style | ||
| 2012 | Cadillac | CTS | Downstream Right | OE Style | ||
| 2012 | Chevrolet | Camaro | Downstream Right | OE Style | ||
| 2012 | Chevrolet | Caprice | Upstream | OE Style | ||
| 2012 | Chevrolet | Caprice | Downstream | OE Style | ||
| 2012 | Chevrolet | Traverse | Upstream | OE Style | ||
| 2012 | GMC | Acadia | Upstream | OE Style | ||
| 2011 | Cadillac | CTS | Manual | Downstream Left | OE Style | |
| 2011 | Cadillac | CTS | Downstream Right | OE Style | ||
| 2011 | Cadillac | STS | Downstream Right | OE Style | ||
| 2011 | Chevrolet | Camaro | Manual | Downstream | OE Style | |
| 2011 | Chevrolet | Camaro | Automatic | Downstream Right | OE Style | |
| 2010 | Cadillac | CTS | Manual | Downstream Left | OE Style | |
| 2010 | Cadillac | CTS | Downstream Right | OE Style | ||
| 2010 | Cadillac | CTS | Manual | Downstream | OE Style | |
| 2010 | Cadillac | STS | Downstream Right | OE Style | ||
| 2010 | Chevrolet | Camaro | Manual | Downstream | OE Style | |
| 2010 | Chevrolet | Camaro | Automatic | Downstream Right | OE Style | |
| 2009 | Cadillac | CTS | Manual | Downstream Left | OE Style | |
| 2009 | Cadillac | CTS | Downstream Right | OE Style | ||
| 2009 | Cadillac | SRX | Downstream | OE Style | ||
| 2009 | Cadillac | STS | Downstream Right | OE Style | ||
| 2008 | Cadillac | CTS | Manual | Downstream Left | OE Style | |
| 2008 | Cadillac | CTS | Downstream Right | OE Style | ||
| 2008 | Cadillac | SRX | Downstream | OE Style | ||
| 2008 | Cadillac | STS | Downstream Right | OE Style | ||
| 2007 | Cadillac | CTS | Downstream | OE Style | ||
| 2007 | Cadillac | SRX | Downstream | OE Style | ||
| 2007 | Cadillac | STS | Downstream | OE Style | ||
| 2006 | Cadillac | CTS | Downstream | OE Style | ||
| 2006 | Cadillac | SRX | Downstream | OE Style | ||
| 2006 | Cadillac | STS | Downstream | OE Style | ||
| 2005 | Cadillac | CTS | Downstream | OE Style | ||
| 2005 | Cadillac | SRX | Downstream | OE Style | ||
| 2005 | Cadillac | STS | Downstream | OE Style | ||
| 2004 | Cadillac | SRX | Downstream | 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.