HomeEmission Control > SensorsDenso 234-4565 Oxygen Sensor
Part #: 234-4565

Denso 234-4565 Oxygen Sensor

Oxygen Sensor - OE Style, Downstream, Downstream Right, Downstream Left, and Upstream
⚙️ 76 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Oxygen Sensor - OE Style, Downstream, Downstream Right, Downstream Left, and Upstream
🚗Fitment: Buick, Cadillac, Chevrolet, and GMC, Acadia, Acadia Limited, ATS, Camaro, Caprice, CTS, Enclave, SRX, STS, and Traverse
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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.

BrandDenso
Part Number234-4565
PositionOxygen Sensor - OE Style, Downstream, Downstream Right, Downstream Left, and Upstream
Wiring Harness Length10.24
Sensor TypeHeated
Universal Or Specific FitSpecific
Wire Quantity4
Connector GenderFemale
Thread Diameter0.708
Mounting TypeThreaded

This part fits 76 vehicles. Search below:

YearMakeModelSubmodelTransmissionPositionNotes
2019CadillacATSDownstream LeftO.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style
2019CadillacCTSDownstreamO.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style
2018CadillacATSDownstreamOE Style
2018CadillacCTSDownstreamOE Style
2017BuickEnclaveUpstreamOE Style
2017CadillacATSDownstreamOE Style
2017CadillacCTSDownstreamOE Style
2017ChevroletCapriceUpstreamOE Style
2017ChevroletCapriceDownstreamOE Style
2017ChevroletTraverseUpstreamOE Style
2017GMCAcadia LimitedUpstreamO.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style
2016BuickEnclaveUpstreamOE Style
2016CadillacATSDownstreamOE Style
2016CadillacCTSDownstreamOE Style
2016ChevroletCapriceUpstreamOE Style
2016ChevroletCapriceDownstreamOE Style
2016ChevroletTraverseUpstreamOE Style
2016GMCAcadiaUpstreamOE Style
2015BuickEnclaveUpstreamOE Style
2015CadillacATSDownstreamOE Style
2015CadillacCTSDownstreamOE Style
2015ChevroletCapriceUpstreamOE Style
2015ChevroletCapriceDownstreamOE Style
2015ChevroletTraverseUpstreamOE Style
2015GMCAcadiaUpstreamOE Style
2014BuickEnclaveUpstreamOE Style
2014CadillacATSDownstreamOE Style
2014CadillacCTSDownstream RightOE Style
2014CadillacCTSLuxuryDownstream LeftOE Style
2014ChevroletCapriceUpstreamOE Style
2014ChevroletCapriceDownstreamOE Style
2014ChevroletTraverseUpstreamOE Style
2014GMCAcadiaUpstreamOE Style
2013BuickEnclaveUpstreamOE Style
2013CadillacATSDownstreamOE Style
2013CadillacCTSDownstream RightOE Style
2013ChevroletCapriceUpstreamOE Style
2013ChevroletCapriceDownstreamOE Style
2013ChevroletTraverseUpstreamOE Style
2013GMCAcadiaUpstreamOE Style
2012BuickEnclaveUpstreamOE Style
2012CadillacCTSDownstream RightOE Style
2012ChevroletCamaroDownstream RightOE Style
2012ChevroletCapriceUpstreamOE Style
2012ChevroletCapriceDownstreamOE Style
2012ChevroletTraverseUpstreamOE Style
2012GMCAcadiaUpstreamOE Style
2011CadillacCTSManualDownstream LeftOE Style
2011CadillacCTSDownstream RightOE Style
2011CadillacSTSDownstream RightOE Style
2011ChevroletCamaroManualDownstreamOE Style
2011ChevroletCamaroAutomaticDownstream RightOE Style
2010CadillacCTSManualDownstream LeftOE Style
2010CadillacCTSDownstream RightOE Style
2010CadillacCTSManualDownstreamOE Style
2010CadillacSTSDownstream RightOE Style
2010ChevroletCamaroManualDownstreamOE Style
2010ChevroletCamaroAutomaticDownstream RightOE Style
2009CadillacCTSManualDownstream LeftOE Style
2009CadillacCTSDownstream RightOE Style
2009CadillacSRXDownstreamOE Style
2009CadillacSTSDownstream RightOE Style
2008CadillacCTSManualDownstream LeftOE Style
2008CadillacCTSDownstream RightOE Style
2008CadillacSRXDownstreamOE Style
2008CadillacSTSDownstream RightOE Style
2007CadillacCTSDownstreamOE Style
2007CadillacSRXDownstreamOE Style
2007CadillacSTSDownstreamOE Style
2006CadillacCTSDownstreamOE Style
2006CadillacSRXDownstreamOE Style
2006CadillacSTSDownstreamOE Style
2005CadillacCTSDownstreamOE Style
2005CadillacSRXDownstreamOE Style
2005CadillacSTSDownstreamOE Style
2004CadillacSRXDownstreamOE 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:

16449

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.