HomeEmission Control > SensorsSpectra OS5284 Oxygen Sensor - Downstream or Upstream
Part #: OS5284

Spectra OS5284 Oxygen Sensor - Downstream or Upstream

Downstream
⚙️ 5 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Toyota, Pickup and MR2
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Reliable Oxygen Sensor for Toyota MR2 and Pickup

The Spectra OS5284 oxygen sensor is designed specifically for Toyota MR2 and Pickup models, ensuring accurate emission control and optimal engine performance. This sensor helps maintain proper air-fuel mixture for efficient combustion and reduced emissions.

  • Compatible with Toyota MR2 and Pickup vehicles
  • Part number OS5284 for precise identification
  • Direct replacement oxygen sensor for emission control systems
  • Durable construction for long-lasting performance
  • Helps maintain engine efficiency and reduce harmful emissions

Product Details and Compatibility

The Spectra OS5284 oxygen sensor is engineered to meet the specifications required by Toyota MR2 and Pickup models. This sensor monitors the oxygen levels in the exhaust gases and provides feedback to the engine control unit (ECU) to adjust the air-fuel ratio. Proper function of this sensor is critical for maintaining emission standards and ensuring the engine runs smoothly. The OS5284 part number ensures you receive the correct sensor designed for your vehicle’s emission control system.

Common Applications and Issues Addressed

  • Helps resolve rough idling and engine hesitation
  • Reduces increased fuel consumption caused by faulty sensors
  • Prevents failed emissions tests due to incorrect oxygen readings
  • Eliminates check engine light triggers related to oxygen sensor faults
  • Supports overall engine performance and fuel efficiency

Installation Notes and Tips

When installing the Spectra OS5284 oxygen sensor, ensure the vehicle is cool to avoid burns. Use an oxygen sensor socket or appropriate tool to remove the old sensor carefully. Apply anti-seize compound to the threads of the new sensor if not pre-coated, but avoid contaminating the sensor tip. After installation, clear any diagnostic trouble codes and verify proper sensor operation with a scan tool.

Quality Assurance and Warranty

Spectra parts are manufactured to meet or exceed OEM standards for fit and function. The OS5284 oxygen sensor undergoes rigorous quality control to ensure reliable performance in Toyota MR2 and Pickup vehicles. This part typically includes a limited warranty covering defects in materials and workmanship, providing confidence in your replacement sensor.

This part fits 5 vehicles. Search below:

YearMakeModelDrive TypeLitersCylindersPositionNotes
1991ToyotaPickup4WD2.4LL4Downstreamw/ California Emissions; w/ Short Bed
1990ToyotaPickup4WD2.4LL4Downstreamw/ California Emissions; w/ Short Bed
1989ToyotaMR21.6LL4Upstream
1989ToyotaPickup4WD2.4LL4Downstreamw/ California Emissions; w/ Short Bed
1988ToyotaMR21.6LL4Upstream

* 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:

13402134471571123440552344056245395S39655S4006752147894651920589465192068946539275ES20036OS2079OS600SG657SG657TSU4816SU4894

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