HomeEmission Control > SensorsSpectra OS5149 Oxygen Sensor - Downstream
Part #: OS5149

Spectra OS5149 Oxygen Sensor - Downstream

Downstream
7 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$23.24Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Hyundai, Tiburon and Elantra
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Oxygen Sensor for Hyundai Elantra and Tiburon

The Spectra OS5149 oxygen sensor is designed specifically for Hyundai Elantra and Tiburon models, ensuring accurate emission control and optimal engine performance. This sensor helps maintain proper air-fuel mixture by monitoring oxygen levels in the exhaust system.

  • Compatible with Hyundai Elantra and Tiburon vehicles
  • Part number OS5149 for precise identification
  • Direct replacement oxygen sensor for emission control systems
  • Helps maintain fuel efficiency and reduce emissions
  • Durable construction for long-lasting performance

Product Details and Specifications

The Spectra OS5149 oxygen sensor is engineered to meet or exceed OEM specifications for Hyundai Elantra and Tiburon models. It accurately measures the oxygen content in exhaust gases, providing essential data to the engine control unit (ECU) for adjusting fuel injection and combustion. This sensor supports emission control compliance and helps prevent engine issues related to improper air-fuel ratios.

Common Applications and Problem Solving

  • Restores proper oxygen sensing for Hyundai Elantra and Tiburon
  • Resolves rough idling and engine hesitation caused by faulty sensors
  • Helps correct poor fuel economy due to inaccurate air-fuel mixture
  • Reduces increased emissions and failed emission tests
  • Prevents check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

Installation of the Spectra OS5149 oxygen sensor requires basic automotive tools and knowledge. It is recommended to disconnect the battery before replacement to avoid electrical issues. Use an oxygen sensor socket for removal and installation to prevent damage. Ensure the sensor is properly torqued to manufacturer specifications and the wiring harness is securely connected.

Quality Assurance and Warranty

Spectra parts are manufactured to meet industry standards for durability and performance. The OS5149 oxygen sensor undergoes rigorous testing to ensure reliable operation in Hyundai Elantra and Tiburon vehicles. This part is backed by a limited warranty covering defects in materials and workmanship, providing confidence in its long-term use.

This part fits 7 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2001HyundaiTiburon2.0LL4Downstream
2000HyundaiElantra2.0LL4Downstream
2000HyundaiTiburon2.0LL4Downstream
1999HyundaiElantra2.0LL4Downstream
1999HyundaiTiburon2.0LL4Downstream
1998HyundaiElantra1.8LL4Downstream
1998HyundaiTiburon2.0LL4Downstream

* 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:

1339421330122344693245913921023036392102304639210230605S77035S77045S8461752143ES10852OS2138SG1305SG1305TSU9191SU9192SU9923

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