HomeEmission Control > SensorsDenso 234-4568 Oxygen Sensor - Downstream
Part #: 234-4568

Denso 234-4568 Oxygen Sensor - Downstream

OE Style, Downstream
⚙️ 29 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦OE Style, Downstream
🚗Fitment: Kia and Hyundai, Rio, Soul, Accent, and Veloster
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of the Denso OE Style Oxygen Sensor 234-4568

The Denso OE Style Oxygen Sensor 234-4568 is designed specifically for select Hyundai and Kia models, including the Accent, Rio, Soul, Tucson, and Veloster. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases precisely.

  • Heated sensor type for faster activation and improved efficiency
  • Specific fit for Hyundai and Kia vehicles to ensure proper installation
  • Threaded mounting type with a 0.708-inch thread diameter for secure attachment
  • Four-wire design with a male connector for reliable electrical connection
  • Wiring harness length of 20.16 inches to accommodate factory routing

Detailed Product Description

The Denso OE Style line focuses on providing original equipment quality replacement parts that meet or exceed factory specifications. The 234-4568 oxygen sensor is a heated sensor, which means it includes an internal heating element to bring the sensor up to operating temperature quickly. This feature helps reduce emissions during cold starts and improves fuel efficiency. The sensor’s four-wire configuration supports both the sensor signal and heater circuit, ensuring accurate data transmission to the engine control unit.

Designed with a threaded mounting type and a 0.708-inch thread diameter, this oxygen sensor installs securely in the exhaust system. The 20.16-inch wiring harness length and male connector are engineered for a specific fit, making it compatible with Hyundai Accent, Rio, Soul, Tucson, and Veloster models. This precise fitment helps maintain factory wiring integrity and reduces installation time.

Common Applications and Issues Addressed

  • Helps maintain proper air-fuel mixture for efficient combustion
  • Reduces emissions by providing accurate exhaust gas readings
  • Prevents engine performance issues related to faulty oxygen sensors
  • Addresses check engine light triggers caused by sensor failure
  • Improves fuel economy by ensuring correct sensor operation

Installation Notes and Tips

  • Ensure the vehicle is compatible: Hyundai Accent, Rio, Soul, Tucson, or Veloster
  • Verify the part number 234-4568 matches the original sensor before installation
  • Use proper tools to avoid damaging the threaded mounting during installation
  • Check wiring harness routing to prevent interference or damage
  • Follow manufacturer torque specifications for secure sensor mounting

Quality Assurance and Warranty

Denso’s OE Style product line is engineered to meet original equipment standards, providing reliable performance and durability. While specific warranty details for part number 234-4568 may vary, Denso typically offers coverage against defects in materials and workmanship. This oxygen sensor is manufactured to comply with emissions regulations and quality control standards, ensuring consistent operation in compatible Hyundai and Kia vehicles.

BrandDenso
Part Number234-4568
PositionOE Style, Downstream
Connector GenderMale
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter0.708
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length20.16

This part fits 29 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2018HyundaiTucsonDownstreamO.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style
2018KiaRioDownstreamOE Style
2018KiaSoulLXDownstreamOE Style
2017HyundaiAccentDownstreamOE Style
2017HyundaiTucsonDownstreamO.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style
2017HyundaiVelosterDownstreamOE Style
2017KiaRioDownstreamOE Style
2017KiaSoulLXDownstreamOE Style
2016HyundaiAccentDownstreamOE Style
2016HyundaiTucsonDownstreamO.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style
2016HyundaiVelosterDownstreamOE Style
2016KiaRioDownstreamOE Style
2016KiaSoulDownstreamOE Style
2015HyundaiAccentDownstreamOE Style
2015HyundaiVelosterDownstreamOE Style
2015KiaRioDownstreamOE Style
2015KiaSoulDownstreamOE Style
2014HyundaiAccentDownstreamOE Style
2014HyundaiVelosterDownstreamOE Style
2014KiaRioDownstreamOE Style
2014KiaSoulDownstreamOE Style
2013HyundaiAccentDownstreamOE Style
2013HyundaiVelosterDownstreamOE Style
2013KiaRioDownstreamOE Style
2013KiaSoulDownstreamOE Style
2012HyundaiAccentDownstreamOE Style
2012HyundaiVelosterDownstreamOE Style
2012KiaRioDownstreamOE Style
2012KiaSoulDownstreamOE 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:

16754

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