HomeEmission Control > SensorsSpectra OS6114 Oxygen Sensor - Downstream
Part #: OS6114

Spectra OS6114 Oxygen Sensor - Downstream

Downstream
20 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mazda, MX-5 and MX-5 Miata
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Reliable Oxygen Sensor for Mazda MX-5 and MX-5 Miata

The Spectra OS6114 oxygen sensor is designed specifically for Mazda MX-5 and MX-5 Miata models. This emission control sensor helps maintain optimal engine performance and fuel efficiency by accurately monitoring exhaust gases.

  • Compatible with Mazda MX-5 and MX-5 Miata vehicles
  • Part number OS6114 ensures precise fitment
  • Monitors oxygen levels in exhaust for efficient combustion
  • Supports emission control system compliance
  • Durable construction for long-lasting performance

Product Details and Functionality

The Spectra OS6114 oxygen sensor plays a critical role in the emission control system of Mazda MX-5 and MX-5 Miata models. By measuring the oxygen content in the exhaust gases, it provides real-time data to the engine control unit (ECU). This data allows the ECU to adjust the air-fuel mixture for optimal combustion, reducing harmful emissions and improving fuel economy. The sensor is engineered to meet OEM specifications, ensuring reliable operation and compatibility with the vehicle’s existing systems.

Common Applications and Issues Addressed

  • Helps resolve rough idling and engine hesitation
  • Reduces increased fuel consumption caused by faulty sensors
  • Prevents check engine light triggers related to oxygen sensor faults
  • Supports emission test compliance by maintaining proper exhaust readings
  • Improves overall engine performance and responsiveness

Installation Notes and Tips

When installing the Spectra OS6114 oxygen sensor on Mazda MX-5 or MX-5 Miata models, ensure the engine is cool to avoid burns. Use an oxygen sensor socket for proper removal and installation. It is recommended to apply anti-seize compound on the sensor threads to facilitate future removal. Verify the sensor connector is securely attached to prevent signal interruptions. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper operation.

Quality Assurance and Warranty

Spectra oxygen sensors are manufactured to meet strict quality standards for durability and accuracy. The OS6114 part number undergoes rigorous testing to ensure consistent performance in emission control applications. While specific warranty details may vary, Spectra typically offers coverage against defects in materials and workmanship. Refer to the product documentation for exact warranty terms.

This part fits 20 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2015MazdaMX-5Downstream
2015MazdaMX-5 Miata2.0LL4DownstreamCompatible with Bank 1 Sensor 2 Oxygen Sensor.
2014MazdaMX-5Downstream
2014MazdaMX-5 Miata2.0LL4DownstreamCompatible with Bank 1 Sensor 2 Oxygen Sensor.
2013MazdaMX-5Downstream
2013MazdaMX-5 Miata2.0LL4DownstreamCompatible with Bank 1 Sensor 2 Oxygen Sensor.
2012MazdaMX-5Downstream
2012MazdaMX-5 Miata2.0LL4DownstreamCompatible with Bank 1 Sensor 2 Oxygen Sensor.
2011MazdaMX-5Downstream
2011MazdaMX-5 Miata2.0LL4DownstreamCompatible with Bank 1 Sensor 2 Oxygen Sensor.
2010MazdaMX-5Downstream
2010MazdaMX-5 Miata2.0LL4DownstreamCompatible with Bank 1 Sensor 2 Oxygen Sensor.
2009MazdaMX-5Downstream
2009MazdaMX-5 Miata2.0LL4DownstreamCompatible with Bank 1 Sensor 2 Oxygen Sensor.
2008MazdaMX-5Downstream
2008MazdaMX-5 Miata2.0LL4DownstreamCompatible with Bank 1 Sensor 2 Oxygen Sensor.
2007MazdaMX-5Downstream
2007MazdaMX-5 Miata2.0LL4Downstream
2006MazdaMX-5Downstream
2006MazdaMX-5 Miata2.0LL4Downstream

* 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:

157862344340246985S10016754023ES20422LFG218861LFG218861ALFG218861A9ULFG218861ACALFG218861BLFG218861B9USU11469

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