HomeEmission Control > SensorsDenso 234-4958 Oxygen Sensor - Downstream or Downstream Rear
Part #: 234-4958

Denso 234-4958 Oxygen Sensor - Downstream or Downstream Rear

OE Style, Downstream
⚙️ 14 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, Soul, Forte, Forte Koup, and Forte5
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Overview of the Denso OE Style Oxygen Sensor 234-4958

The Denso OE Style Oxygen Sensor 234-4958 is designed specifically for select Kia models, including the Forte, Forte5, Forte Koup, and Soul. This heated oxygen sensor features a 38.07-inch wiring harness and four wires, ensuring precise emissions control and optimal engine performance.

  • Heated oxygen sensor for faster activation and accurate readings
  • Specific fit for Kia Forte, Forte5, Forte Koup, and Soul models
  • 38.07-inch wiring harness length for proper installation
  • Four-wire design for reliable signal transmission
  • Part number 234-4958 for exact replacement

Detailed Description of the Denso OE Style Oxygen Sensor

This oxygen sensor from Denso's OE Style line is engineered to meet the exact specifications of the original equipment on compatible Kia vehicles. The heated sensor type allows the unit to reach operating temperature quickly, improving fuel efficiency and reducing emissions sooner after startup. With a wiring harness length of 38.07 inches and four wires, this sensor integrates seamlessly with the vehicle's existing electrical system. The specific fitment ensures compatibility with Kia Forte, Forte5, Forte Koup, and Soul models, providing a direct replacement without modification.

The OE Style product line from Denso focuses on delivering parts that match the original equipment's form, fit, and function. This ensures that the 234-4958 oxygen sensor maintains the performance standards expected by Kia manufacturers, supporting emission control systems effectively.

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 delayed sensor response
  • Engine performance problems such as rough idling or hesitation
  • Failed emissions tests related to sensor malfunction

Installation Notes and Tips

  • Ensure the vehicle is cool before beginning installation to avoid burns
  • Use appropriate tools to avoid damaging the sensor or wiring harness
  • Verify the wiring harness length of 38.07 inches fits the vehicle routing
  • Confirm the four-wire connection matches the vehicle’s oxygen sensor plug
  • Follow manufacturer torque specifications when tightening the sensor

Quality Assurance and Warranty Information

Denso OE Style oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The 234-4958 part undergoes rigorous testing to comply with OEM specifications for Kia vehicles. While specific warranty details may vary, Denso typically offers coverage against defects in materials and workmanship, providing confidence in the sensor’s longevity and function.

BrandDenso
Part Number234-4958
PositionOE Style, Downstream
Sensor TypeHeated
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length38.07

This part fits 14 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2018KiaSoulEXDownstreamOE Style
2017KiaSoulEXDownstreamOE Style
2016KiaForteDownstream RearLoc. After Secondary Converter; OE Style
2016KiaForte KoupDownstream RearLoc. After Secondary Converter; OE Style
2016KiaForte5Downstream RearLoc. After Secondary Converter; OE Style
2016KiaSoulDownstreamOE Style
2015KiaForteDownstream RearLoc. After Secondary Converter; OE Style
2015KiaForte KoupDownstream RearLoc. After Secondary Converter; OE Style
2015KiaForte5Downstream RearLoc. After Secondary Converter; OE Style
2015KiaSoulDownstreamOE Style
2014KiaForteDownstream RearLoc. After Secondary Converter; OE Style
2014KiaForte KoupDownstream RearLoc. After Secondary Converter; OE Style
2014KiaForte5Downstream RearLoc. After Secondary Converter; OE Style
2014KiaSoulDownstreamOE 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:

1665118143

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