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Denso 234-4644 Oxygen Sensor - Upstream or Upstream Right
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.
| Brand | Denso |
| Part Number | 234-4644 |
| Position | OE Style, Upstream and Upstream Right |
| Wiring Harness Length | 17.52 |
| Sensor Type | Heated |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Connector Gender | Male |
| Thread Diameter | 0.708 |
| Mounting Type | Threaded |
This part fits 25 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2011 | Kia | Borrego | Upstream Right | OE Style |
| 2010 | Kia | Borrego | Upstream Right | OE Style |
| 2009 | Kia | Borrego | Upstream Right | OE Style |
| 2009 | Kia | Sorento | Upstream Right | OE Style |
| 2008 | Kia | Sorento | Upstream Right | OE Style |
| 2007 | Kia | Sorento | Upstream Right | OE Style |
| 1994 | Hyundai | Sonata | Upstream | OE Style |
| 1994 | Mitsubishi | Eclipse | Upstream | OE Style |
| 1994 | Plymouth | Laser | Upstream | OE Style |
| 1993 | Hyundai | Sonata | Upstream | OE Style |
| 1993 | Mitsubishi | Eclipse | Upstream | OE Style |
| 1993 | Plymouth | Laser | Upstream | OE Style |
| 1992 | Hyundai | Sonata | Upstream | OE Style |
| 1992 | Mitsubishi | Eclipse | Upstream | OE Style |
| 1992 | Mitsubishi | Galant | Upstream | OE Style |
| 1992 | Plymouth | Laser | Upstream | OE Style |
| 1991 | Hyundai | Sonata | Upstream | OE Style |
| 1991 | Mitsubishi | Eclipse | Upstream | OE Style |
| 1991 | Mitsubishi | Galant | Upstream | OE Style |
| 1991 | Plymouth | Laser | Upstream | OE Style |
| 1990 | Hyundai | Sonata | Upstream | OE Style |
| 1990 | Mitsubishi | Eclipse | Upstream | OE Style |
| 1990 | Mitsubishi | Galant | Upstream | OE Style |
| 1990 | Plymouth | Laser | Upstream | OE Style |
| 1989 | Mitsubishi | Galant | Upstream | 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.