HomeEmission Control > SensorsDenso 234-4686 Oxygen Sensor - Downstream or Upstream
Part #: 234-4686

Denso 234-4686 Oxygen Sensor - Downstream or Upstream

OE Style, Upstream
⚙️ 23 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦OE Style, Upstream
🚗Fitment: Kia, Spectra, Sportage, and Sephia
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Overview of the Denso OE Style Oxygen Sensor 234-4686

The Denso OE Style Oxygen Sensor 234-4686 is designed specifically for Kia vehicles including the Sephia, Spectra, and Sportage models. This heated oxygen sensor ensures accurate air-fuel mixture readings to help maintain optimal engine performance and emissions control.

  • Heated sensor type for faster response times
  • Specific fit for Kia Sephia, Spectra, and Sportage
  • 15.75-inch wiring harness length for precise installation
  • Four-wire configuration with male connector
  • Threaded mounting type with 0.708-inch thread diameter

Detailed Features and Specifications

The Denso 234-4686 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving emission control efficiency. It comes with a 15.75-inch wiring harness, providing adequate length for proper routing in the engine bay. The sensor has a four-wire design, which includes two wires for the heater circuit and two for the sensor signal, ensuring reliable communication with the vehicle’s engine control unit (ECU). The male connector and threaded mounting type with a 0.708-inch diameter make installation straightforward and secure.

About the Denso OE Style Product Line

The OE Style line from Denso is engineered to meet original equipment specifications, offering a direct replacement solution for emission control sensors. This product line focuses on delivering components that match the fit, form, and function of the factory-installed parts, making the 234-4686 oxygen sensor a suitable choice for maintaining the integrity of your Kia Sephia, Spectra, or Sportage’s emission system.

Common Applications and Problem Solving

  • Restores accurate oxygen sensing for improved fuel efficiency
  • Helps resolve rough idling caused by faulty sensor readings
  • Reduces engine hesitation and stalling issues
  • Assists in passing emissions inspections by maintaining proper exhaust gas monitoring
  • Prevents check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Denso 234-4686 oxygen sensor, ensure the engine is cool to avoid burns. Use the correct socket size for the 0.708-inch threaded sensor to prevent damage. Verify the wiring harness length of 15.75 inches is sufficient for your vehicle’s routing needs. Confirm the male connector securely mates with the vehicle’s wiring harness to maintain proper electrical connection.

Quality Assurance and Warranty

Denso manufactures the 234-4686 oxygen sensor to meet strict quality standards consistent with original equipment parts. The OE Style product line is designed for durability and reliable performance in emission control applications. Warranty coverage details should be confirmed with the parts distributor or manufacturer documentation.

BrandDenso
Part Number234-4686
PositionOE Style, Upstream
Connector GenderMale
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter0.708
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length15.75

This part fits 23 vehicles. Search below:

YearMakeModelPositionNotes
2002KiaSpectraUpstreamTo 5/22/01; OE Style
2002KiaSportageUpstreamOE Style
2002KiaSportageDownstreamOE Style
2001KiaSephiaUpstreamOE Style
2001KiaSpectraUpstreamOE Style
2001KiaSportageUpstreamOE Style
2001KiaSportageDownstreamOE Style
2000KiaSephiaUpstreamOE Style
2000KiaSpectraUpstreamOE Style
2000KiaSportageUpstreamOE Style
2000KiaSportageDownstreamOE Style
1999KiaSephiaUpstreamOE Style
1999KiaSephiaDownstreamOE Style
1999KiaSportageUpstreamOE Style
1999KiaSportageDownstreamOE Style
1998KiaSephiaUpstreamOE Style
1998KiaSephiaDownstreamOE Style
1998KiaSportageUpstreamOE Style
1998KiaSportageDownstreamOE Style
1997KiaSportageUpstreamOE Style
1997KiaSportageDownstreamOE Style
1996KiaSportageUpstreamOE Style
1996KiaSportageDownstreamOE 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:

213-3006

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