HomeEmission Control > SensorsSpectra OS5359 Oxygen Sensor - Upstream
Part #: OS5359

Spectra OS5359 Oxygen Sensor - Upstream

Upstream
⚙️ 34 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Kia, Mazda, Ford, and Mercury, Sephia, 323, Escort, Protege, Tracer, Festiva, and MX-3
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Reliable Oxygen Sensor for Ford, Kia, Mazda, and Mercury Vehicles

The Spectra OS5359 oxygen sensor is designed to provide accurate emissions monitoring for select Ford, Kia, Mazda, and Mercury models. This sensor helps maintain optimal engine performance and ensures compliance with emission standards.

  • Compatible with Ford Escort, Mercury Tracer, Kia Sephia, Mazda Protege, MX-3, Festiva, and 323 models
  • Direct replacement oxygen sensor for emission control systems
  • Durable construction for consistent sensor readings
  • Part number OS5359 ensures precise fit and function
  • GTIN 00671607158694 for easy identification and verification

Product Details and Compatibility

The Spectra OS5359 oxygen sensor is engineered to meet the specifications required by various Ford, Kia, Mazda, and Mercury vehicles, including the Ford Escort and Mercury Tracer, Kia Sephia and Festiva, and Mazda Protege, MX-3, and 323. This sensor plays a critical role in monitoring the oxygen levels in the exhaust gases, allowing the engine control unit to adjust the air-fuel mixture for efficient combustion and reduced emissions. Using the correct part number OS5359 ensures proper fitment and reliable operation within the emission control system.

Common Applications and Issues Addressed

  • Helps resolve rough idling caused by incorrect air-fuel mixture
  • Reduces engine hesitation and stalling related to faulty oxygen sensors
  • Improves fuel efficiency by providing accurate oxygen level data
  • Assists in passing emissions inspections by maintaining proper exhaust readings
  • Prevents check engine light triggers related to sensor malfunctions

Installation Notes and Tips

  • Ensure vehicle compatibility by verifying make, model, and year before installation
  • Use appropriate tools to avoid damaging the sensor or wiring harness
  • Disconnect the battery before installation to prevent electrical issues
  • Apply anti-seize compound on sensor threads if recommended by the manufacturer
  • Follow torque specifications to secure the sensor without over-tightening

Quality Assurance and Warranty Information

Spectra oxygen sensors, including part number OS5359, are manufactured to meet industry standards for durability and performance. While specific warranty details may vary, Spectra typically offers coverage against defects in materials and workmanship. Using a genuine Spectra sensor helps ensure consistent emissions control and engine management system operation.

This part fits 34 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1996KiaSephia1.6LL4UpstreamCompatible with Bank 1 Sensor 2 Oxygen Sensor.
1995KiaSephia1.6LL4Upstream
1995Mazda3231.6LL4Upstream
1994FordEscort1.8LL4Upstream
1994KiaSephia1.6LL4Upstream
1994Mazda3231.8LL4Upstream
1994Mazda3231.6LL4Upstream
1994MazdaProtege1.8LL4Upstream
1994MercuryTracer1.8LL4Upstream
1993FordEscort1.8LL4Upstream
1993FordFestiva1.3LL4Upstream
1993Mazda3231.8LL4UpstreamTo Jul/01/1993
1993Mazda3231.6LL4Upstream
1993MazdaMX-31.6LL4Upstream
1993MazdaProtege1.8LL4Upstream
1993MazdaProtege1.8LL4UpstreamTo Jul/01/1993
1993MercuryTracer1.8LL4Upstream
1992FordEscort1.8LL4Upstream
1992FordFestiva1.3LL4Upstream
1992Mazda3231.6LL4Upstream
1992MazdaMX-31.6LL4Upstream
1992MazdaProtege1.8LL4Upstream
1992MercuryTracer1.8LL4Upstream
1991FordEscort1.8LL4Upstream
1991FordFestiva1.3LL4Upstream
1991Mazda3231.8LL4Upstream
1991Mazda3231.6LL4Upstream
1991MazdaProtege1.8LL4Upstream
1991MercuryTracer1.8LL4Upstream
1990FordFestiva1.3LL4Upstream
1990Mazda3231.8LL4Upstream
1990Mazda3231.6LL4Upstream
1990MazdaProtege1.8LL4Upstream
1990MercuryTracer1.6LL4Upstream

* 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:

120381360821311732204323410105S3295751522ES10146ES10148F0BZ9F472BOS151OS151POS634SG28SG28TSG97SG97TSU237

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