Denso 234-5044 Air / Fuel Ratio Sensor - Upstream
OE Quality 60-Day Returns
Denso
 OE Style

Denso 234-5044 Air / Fuel Ratio Sensor - Upstream

Brand Denso 234-5044
Position Upstream
Connector Gender Male
Grade Type Regular
Sensor Type Heated
Thread Diameter 0.711
Universal Or Specific Fit Specific
Wire Quantity 5
Wiring Harness Length 26.93
Product line OE Style
Fits Hyundai and Kia · 16 vehicles

OE style. Precision-built for exact replacement and a first-time fit.

Heated sensor. Helps deliver accurate air-fuel ratio readings.

5-wire design. Built with a male connector for straightforward installation.

Cross-references Bosch 18055, Hyundai 392102C220 and Hyundai 392102G380 for the same application. See all 10.

$153.64Free shipping
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Denso OE Style Air/Fuel Ratio Sensor 234-5044

Denso 234-5044 is an OE Style heated air/fuel ratio sensor built for specific-fit replacement on select Hyundai and Kia applications. It is engineered to match factory-style dimensions and connector layout for a direct replacement on upstream locations.

Key Features

  • Heated air/fuel ratio sensor for upstream exhaust monitoring
  • Specific fit design for direct replacement applications
  • 5-wire configuration with male connector
  • Wiring harness length: 26.93
  • Thread diameter: 0.711
  • OE Style construction for factory-like fit and function

Product Details

Denso OE Style sensors are manufactured and tested to strict OE standards, with precision-built components intended to match the original part’s fit and electrical layout. Part number 234-5044 is a heated air/fuel ratio sensor used in upstream positions, where accurate exhaust feedback is critical for engine management. This part cross-references Bosch 18055 for the same application.

Compatible With select Hyundai Genesis Coupe, Hyundai Tucson, and Kia Sportage applications. Fits 2013-2014 Hyundai Genesis Coupe, Upstream; Fits 2010-2013 Hyundai Tucson, Upstream; Fits 2011-2013 Kia Sportage, Upstream.

What This Sensor Helps Address

  • Check engine light related to air/fuel ratio sensor performance
  • Rough idle caused by inaccurate exhaust feedback
  • Fuel trim issues from a failing upstream sensor
  • Reduced engine efficiency from delayed sensor response
  • OE-style replacement needs for Hyundai Genesis Coupe, Tucson, and Kia Sportage

Installation Notes and Tips

Verify connector style, wire count, and thread diameter before installation. This is a specific-fit sensor for upstream placement, so confirm the vehicle application and emissions configuration, including the California exclusion noted for some 2010-2013 Hyundai Tucson listings. Use the existing harness routing and sensor location as a reference during replacement.

Quality Assurance

Denso manufactures and tests these sensors to OE standards for consistent fit and performance. The OE Style line focuses on exact replacement dimensions and first-time fit for the listed applications.

Related reading

This part fits 16 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionPositionNotes
2014HyundaiGenesis Coupe—UpstreamOE Style
2013HyundaiGenesis Coupe—UpstreamOE Style
2013HyundaiTucson—UpstreamExcluding California.; OE Style
2013HyundaiTucsonManualUpstreamOE Style
2013HyundaiTucsonAutomaticUpstreamExcluding California.; OE Style
2013KiaSportage—UpstreamExcluding California.; OE Style
2012HyundaiTucson—UpstreamExcluding California.; OE Style
2012HyundaiTucsonManualUpstreamOE Style
2012HyundaiTucsonAutomaticUpstreamExcluding California.; OE Style
2012KiaSportage—UpstreamExcluding California.; OE Style
2011HyundaiTucson—UpstreamExcluding California.; OE Style
2011HyundaiTucsonManualUpstreamOE Style
2011HyundaiTucsonAutomaticUpstreamExcluding California.; OE Style
2011KiaSportage—UpstreamExcluding California.; OE Style
2010HyundaiTucsonManualUpstreamOE Style
2010HyundaiTucsonAutomaticUpstreamExcluding California.; OE Style
Directly replaces or cross-references 10 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Bosch — 18055Hyundai — 392102C220Hyundai — 392102G380Jaguar — 392102G380NTK — 24371NTK — 24390Walker Products — 250-25017Walker Products — 250-25065Walker Products — 350-35031Walker Products — 350-35049