HomeEmission Control > SensorsDenso 234-4644 Oxygen Sensor - Upstream or Upstream Right
Part #: 234-4644

Denso 234-4644 Oxygen Sensor - Upstream or Upstream Right

OE Style, Upstream and Upstream Right
⚙️ 25 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦OE Style, Upstream and Upstream Right
🚗Fitment: Hyundai, Kia, Mitsubishi, and Plymouth, Borrego, Eclipse, Galant, Laser, Sonata, and Sorento
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Reliable Oxygen Sensor for Hyundai, Kia, Mitsubishi, and Plymouth Vehicles

The Denso OE Style Oxygen Sensor 234-4644 is designed to provide precise emission control for specific vehicle models including Hyundai Sonata and Sorento, Kia Borrego, Mitsubishi Eclipse and Galant, and Plymouth Laser. This heated oxygen sensor ensures accurate air-fuel mixture readings to help maintain optimal engine performance.

  • Heated sensor type for faster activation and improved efficiency
  • Specific fit for select Hyundai, Kia, Mitsubishi, and Plymouth models
  • Threaded mounting type with 0.708 inch thread diameter for secure installation
  • Four-wire design with male connector for reliable electrical connection
  • 17.52-inch wiring harness length for proper reach and fitment

About the Denso OE Style Product Line

The OE Style line from Denso focuses on delivering parts that meet original equipment specifications. The 234-4644 oxygen sensor is engineered to match the fit, form, and function of the factory-installed sensor, ensuring compatibility and performance consistency. This line is ideal for those seeking a direct replacement sensor that integrates seamlessly with the vehicle’s emission control system.

Product Details and Specifications

This Denso oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, reducing emissions during cold starts. The sensor is designed with a threaded mounting type and a 0.708-inch thread diameter, providing a secure and precise fit. The four-wire configuration includes a male connector, ensuring proper electrical connectivity. With a wiring harness length of 17.52 inches, this sensor is tailored for specific vehicle applications, avoiding fitment issues common with universal sensors.

Common Applications and Issues Addressed

  • Helps correct inaccurate air-fuel mixture readings
  • Reduces engine misfires and rough idling
  • Improves fuel efficiency by optimizing combustion
  • Prevents increased emissions and failed emissions tests
  • Resolves check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Use the correct tools to remove the old sensor and install the Denso 234-4644 sensor by threading it securely into place. Verify the connector is properly engaged to maintain electrical integrity. This sensor is designed for specific fitment on Hyundai Sonata, Sorento, Kia Borrego, Mitsubishi Eclipse, Galant, and Plymouth Laser models, so confirm compatibility before installation.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet stringent quality standards, ensuring reliable performance and durability. While specific warranty details are not provided here, Denso products typically come with manufacturer-backed warranties to protect against defects in materials and workmanship.

BrandDenso
Part Number234-4644
PositionOE Style, Upstream and Upstream Right
Wiring Harness Length17.52
Sensor TypeHeated
Universal Or Specific FitSpecific
Wire Quantity4
Connector GenderMale
Thread Diameter0.708
Mounting TypeThreaded

This part fits 25 vehicles. Search below:

YearMakeModelPositionNotes
2011KiaBorregoUpstream RightOE Style
2010KiaBorregoUpstream RightOE Style
2009KiaBorregoUpstream RightOE Style
2009KiaSorentoUpstream RightOE Style
2008KiaSorentoUpstream RightOE Style
2007KiaSorentoUpstream RightOE Style
1994HyundaiSonataUpstreamOE Style
1994MitsubishiEclipseUpstreamOE Style
1994PlymouthLaserUpstreamOE Style
1993HyundaiSonataUpstreamOE Style
1993MitsubishiEclipseUpstreamOE Style
1993PlymouthLaserUpstreamOE Style
1992HyundaiSonataUpstreamOE Style
1992MitsubishiEclipseUpstreamOE Style
1992MitsubishiGalantUpstreamOE Style
1992PlymouthLaserUpstreamOE Style
1991HyundaiSonataUpstreamOE Style
1991MitsubishiEclipseUpstreamOE Style
1991MitsubishiGalantUpstreamOE Style
1991PlymouthLaserUpstreamOE Style
1990HyundaiSonataUpstreamOE Style
1990MitsubishiEclipseUpstreamOE Style
1990MitsubishiGalantUpstreamOE Style
1990PlymouthLaserUpstreamOE Style
1989MitsubishiGalantUpstreamOE 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:

213-1322

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