HomeEmission Control > SensorsSpectra OS5266 Oxygen Sensor - Upstream
Part #: OS5266

Spectra OS5266 Oxygen Sensor - Upstream

Upstream
17 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Honda, Civic and Wagovan
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Overview of Spectra OS5266 Oxygen Sensor for Honda Civic

The Spectra OS5266 oxygen sensor is designed specifically for Honda Civic models, providing accurate emissions monitoring and engine performance data. This sensor helps maintain optimal fuel efficiency and reduces harmful exhaust emissions.

  • Compatible with Honda Civic vehicles
  • Part number OS5266 for precise identification
  • Monitors oxygen levels in exhaust gases
  • Supports emission control system functionality
  • Durable construction for reliable operation

Detailed Product Description

The Spectra OS5266 oxygen sensor is an essential component in the emission control system of Honda Civic vehicles. It measures the oxygen content in the exhaust gases and sends this information to the engine control unit (ECU). This data allows the ECU to adjust the air-fuel mixture for optimal combustion, improving fuel economy and reducing emissions. The sensor is engineered to meet OEM specifications, ensuring compatibility and performance consistency with Honda Civic models.

Common Applications and Issues Addressed

  • Helps resolve poor fuel economy by providing accurate oxygen readings
  • Assists in reducing engine misfires related to incorrect air-fuel mixture
  • Supports emission system compliance by monitoring exhaust gases
  • Prevents check engine light triggers caused by faulty oxygen sensors
  • Improves overall engine performance and responsiveness

Installation Notes and Tips

  • Ensure vehicle compatibility with Honda Civic models before installation
  • Use proper tools to avoid damaging the sensor or wiring
  • Disconnect the battery prior to installation to prevent electrical issues
  • Apply anti-seize compound on sensor threads if recommended
  • Verify sensor connector is securely attached after installation

Quality Assurance and Warranty Information

Spectra manufactures the OS5266 oxygen sensor to meet industry standards for durability and accuracy. While specific warranty details may vary, Spectra products typically include a limited warranty against defects in materials and workmanship. This ensures reliable performance and peace of mind when replacing the oxygen sensor on your Honda Civic.

This part fits 17 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
1987HondaCivic1500 SUpstream
1987HondaCivicSi1.5LL4Upstream
1987HondaCivicDX1.5LL4Upstream
1987HondaCivicCRX1.5LL4Upstream
1987HondaCivicCRX Si1.5LL4Upstream
1987HondaCivicBase1.5LL4Upstream
1987HondaCivic1.3LL4Upstream
1986HondaCivicBaseUpstream
1986HondaCivicSi1.5LL4Upstream
1986HondaCivicDX1.5LL4Upstream
1986HondaCivicCRX1.5LL4Upstream
1986HondaCivicCRX Si1.5LL4Upstream
1986HondaCivic1.3LL4Upstream
1985HondaCivic1.5LL4Upstream
1985HondaCivic1.3LL4Upstream
1984HondaCivic1.5LL4Upstream
1984HondaCivic1.3LL4Upstream

* 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:

12050213119123410082403836531PJ066136531PJ0L025S3027751509ES10964OS1207SG1247SG1247TSU415

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