HomeEmission Control > SensorsDenso 234-4552 Oxygen Sensor - Downstream or Upstream Rear
Part #: 234-4552

Denso 234-4552 Oxygen Sensor - Downstream or Upstream Rear

OE Style, Downstream
44 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$96.13Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
OE Style, Downstream
Fitment: Hyundai and Kia, Elantra, Forte, Forte Koup, Forte5, Elantra Coupe, and Elantra GT
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Oxygen Sensor for Hyundai and Kia Vehicles

The Denso OE Style Oxygen Sensor 234-4552 is designed specifically for select Hyundai and Kia models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a 24.37-inch wiring harness and a threaded mounting type for straightforward installation.

  • Heated oxygen sensor for accurate emissions monitoring
  • Specific fit for Hyundai Elantra, Sonata, Tucson, and Kia Forte, Seltos, and more
  • 24.37-inch wiring harness length with 4 wires and male connector
  • Threaded mounting with 0.708-inch thread diameter for secure fit
  • Part number 234-4552 ensures exact replacement compatibility

About the Denso OE Style Product Line

The OE Style line by Denso offers sensors engineered to meet original equipment specifications. This ensures that the 234-4552 oxygen sensor maintains factory-level performance and durability. Designed for specific vehicle applications, the OE Style sensors provide reliable emission control and help maintain compliance with environmental standards.

Detailed Product Description

This Denso oxygen sensor 234-4552 is a heated sensor with four wires, allowing for faster warm-up times and improved accuracy in measuring exhaust gases. The 24.37-inch wiring harness length provides flexibility during installation, while the male connector and threaded mounting type with a 0.708-inch diameter ensure a secure and precise fit. This sensor is specifically designed for Hyundai models including Elantra, Elantra Coupe, Elantra GT, Sonata, Tucson, and Kia models such as Forte, Forte5, Forte Koup, Kona, Optima, and Seltos.

Common Issues Addressed by This Oxygen Sensor

  • Incorrect air-fuel mixture readings causing poor fuel economy
  • Check engine light triggered by faulty oxygen sensor signals
  • Increased emissions due to sensor failure or degradation
  • Engine performance issues such as rough idling or hesitation
  • Failed emissions tests related to sensor malfunction

Installation Notes and Tips

When installing the Denso 234-4552 oxygen sensor, ensure the engine is cool to avoid burns. Use the correct tools to remove the old sensor and avoid damaging the wiring harness. The threaded mounting type requires proper torque to prevent exhaust leaks. Verify connector compatibility with the vehicle’s wiring harness before installation. This sensor is designed for specific Hyundai and Kia models, so confirm fitment prior to purchase.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet strict quality standards and original equipment specifications. While specific warranty details may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship. Using a genuine Denso sensor like the 234-4552 helps maintain vehicle emission compliance and engine efficiency.

BrandDenso
Part Number234-4552
PositionOE Style, Downstream
Connector GenderMale
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter0.708
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length24.37

This part fits 44 vehicles. Search below:

YearMakeModelFuel TypePositionNotes
2024KiaForteDownstreamO.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style
2024KiaSeltosUpstreamO.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style
2023KiaForteDownstreamO.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style
2023KiaSeltosUpstreamO.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style
2022KiaForteDownstreamO.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style
2022KiaSeltosUpstreamO.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style
2021HyundaiKonaUpstreamO.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style
2021HyundaiTucsonDownstreamO.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style
2021KiaForteDownstreamO.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style
2021KiaSeltosUpstreamO.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style
2020HyundaiKonaUpstreamO.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style
2020HyundaiTucsonDownstreamO.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style
2020KiaForteDownstreamO.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style
2020KiaOptimaPLUG-IN HYBRID EV-GAS (PHEV)DownstreamO.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style
2019HyundaiKonaUpstreamO.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style
2019HyundaiSonataPLUG-IN HYBRID EV-GAS (PHEV)DownstreamO.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style
2019HyundaiTucsonDownstreamO.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style
2019KiaForteDownstreamO.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style
2019KiaOptimaPLUG-IN HYBRID EV-GAS (PHEV)DownstreamO.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style
2018HyundaiKonaUpstreamO.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style
2018HyundaiTucsonDownstreamO.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style
2018KiaOptimaPLUG-IN HYBRID EV-GAS (PHEV)DownstreamO.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style
2017HyundaiSonataDownstreamO.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style
2017KiaOptimaPLUG-IN HYBRID EV-GAS (PHEV)DownstreamO.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style
2016HyundaiElantraDownstreamOE Style
2016HyundaiSonataDownstreamO.E. Quality Direct Fit Replacement Sensor; Oxygen Sensor - OE Style
2016KiaForteUpstream RearOE Style
2016KiaForte KoupUpstream RearOE Style
2016KiaForte5Upstream RearOE Style
2015HyundaiElantraDownstreamOE Style
2015KiaForteUpstream RearOE Style
2015KiaForte KoupUpstream RearOE Style
2015KiaForte5Upstream RearOE Style
2014HyundaiElantraDownstreamCalifornia exempt parts can be used on pollution controlled vehicles in California.; OE Style
2014HyundaiElantra CoupeDownstreamCalifornia exempt parts can be used on pollution controlled vehicles in California.; OE Style
2014HyundaiElantra GTDownstreamCalifornia exempt parts can be used on pollution controlled vehicles in California.; OE Style
2014KiaForteUpstream RearOE Style
2014KiaForte KoupUpstream RearOE Style
2014KiaForte5Upstream RearOE Style
2013HyundaiElantraDownstreamCalifornia exempt parts can be used on pollution controlled vehicles in California.; OE Style
2013HyundaiElantra CoupeDownstreamCalifornia exempt parts can be used on pollution controlled vehicles in California.; OE Style
2013HyundaiElantra GTDownstreamCalifornia exempt parts can be used on pollution controlled vehicles in California.; OE Style
2012HyundaiElantraDownstreamCalifornia exempt parts can be used on pollution controlled vehicles in California.; OE Style
2011HyundaiElantraDownstreamCalifornia exempt parts can be used on pollution controlled vehicles in California.; 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:

1615016185

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