Denso 234-5147 Air / Fuel Ratio Sensor - Upstream

OE Style Air/Fuel Ratio Sensor

This Denso OE Style air/fuel ratio sensor is built for direct replacement on specific Hyundai and Kia applications. It is a heated, 5-wire sensor with a male connector and a specific-fit design for accurate installation and dependable signal control.

For drivers searching for an upstream air fuel ratio sensor for Kia Sportage, Hyundai Santa Fe Sport, Kia Optima, or Hyundai Sonata, Denso Part Number 234-5147 provides an OE-style replacement built to match the original application.

Key Features

• Heated air/fuel ratio sensor for upstream placement
• Specific fit for direct replacement on listed vehicles
• 5-wire design with male connector
• Wiring harness length: 17.60
• Thread diameter: 0.711
• OE Style line focused on exact replacement fitment

Product Details

Denso Part Number 234-5147 is manufactured and tested to OE standards for consistent performance and first-time fit. The OE Style product line is aimed at direct replacement applications where the original sensor shape, connector style, and electrical configuration matter. This sensor is listed as an upstream unit for 2011-2018 Kia Sportage, 2013-2016 Hyundai Santa Fe Sport, 2011-2015 Kia Optima, and 2011-2014 Hyundai Sonata, with a 2014 Kia Sportage lower-location application also noted in the fitment data.

This part cross-references Hyundai 392102G710 and NTK 24370 for the same application.

Common Issues It May Address

• Fault codes related to air/fuel ratio sensor response
• Rough idle caused by inaccurate exhaust feedback
• Fuel mixture control problems from a worn upstream sensor
• Check engine light concerns tied to sensor performance
• Driveability issues from delayed or unstable sensor readings

Installation Notes and Tips

• Confirm the vehicle year, make, model, and sensor position before ordering.
• Match the connector style, wire count, and thread diameter to the original part.
• Inspect the harness routing and connector condition before installation.
• Use the listed upstream application only where the fitment data specifies it.
• Clear diagnostic trouble codes after installation and verify system operation.

Quality Assurance

Denso manufactures this OE Style sensor to strict original-equipment standards and tests each component for replacement accuracy and proper fit. The 234-5147 is built as a direct-fit sensor for the listed Hyundai and Kia applications.