Encore OS-K10007 Oxygen Sensor - Upstream Front
OE Quality 60-Day Returns
Encore

Encore OS-K10007 Oxygen Sensor - Upstream Front

Brand Encore OS-K10007
Position Upstream Front
Universal or Specific Fit Specific
Fits Hyundai · 5 vehicles

Oxygen sensor for precise exhaust monitoring.

Cross-references 3921023500 for the same application. See all 1.

$123.42Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $123.42
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Free returns within 60 days if it doesn't fit when fitment is verified.
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Specific-fit oxygen sensor for Hyundai applications

The Encore OS-K10007 is a specific-fit oxygen sensor for select Hyundai models, including the 2003-2004 Hyundai Elantra and 2003 Hyundai Tiburon. It is built for upstream front placement and is intended for direct replacement use where the original sensor location and connector requirements match the listed application.

  • Specific-fit oxygen sensor for confirmed Hyundai applications
  • Upstream front position for listed vehicles
  • Direct replacement part number OS-K10007
  • Cross-reference: 3921023500
  • Fits 2003-2004 Hyundai Elantra, upstream front
  • Fits 2003 Hyundai Tiburon, upstream front

Application details

Use the Encore OS-K10007 when replacing the upstream front oxygen sensor on a 2003-2004 Hyundai Elantra or a 2003 Hyundai Tiburon. This sensor is listed as a specific fit, which means the application is tied to the confirmed vehicle coverage rather than a universal format. For buyers searching by fitment, this part number is also relevant for Hyundai Elantra oxygen sensor replacement and Hyundai Tiburon upstream front sensor service.

What this part helps address

  • Check engine light related to oxygen sensor performance
  • Incorrect air-fuel mixture readings from a worn sensor
  • Slow or unstable sensor response during engine operation
  • Emissions system faults tied to the upstream front sensor
  • Replacement needs for a damaged or aging OE-style sensor

Installation notes and tips

Confirm the vehicle year, model, and sensor position before ordering. This part is listed for upstream front placement only, so match the original sensor location on the exhaust system before installation. Verify connector style, routing, and mounting points against the removed sensor to ensure the OS-K10007 is the correct replacement for your Hyundai Elantra or Hyundai Tiburon.

Quality assurance

Encore identifies this as a specific-fit emission control sensor for the listed Hyundai applications. The part number OS-K10007 and the OE cross-reference 3921023500 provide a clear reference for application matching during parts lookup and service verification.

Related reading

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2004HyundaiElantra2.0LL4Upstream FrontAvailability: Available to Order; Genuine OE Part; To 2003/07/01
2003HyundaiElantra2.0LL4Upstream FrontAvailability: Available to Order; Genuine OE Part; To 2003/07/01
2003HyundaiTiburon2.0LL4Upstream FrontAvailability: Available to Order; Genuine OE Part; To 2003/07/01
2002HyundaiElantra2.0LL4Upstream FrontFitment available for Engine Crankshaft Position Sensor.
2001HyundaiElantra2.0LL4Upstream FrontFitment available for Engine Crankshaft Position Sensor.
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
3921023500