HomeEmission Control > SensorsSpectra OS5360 Oxygen Sensor - Upstream
Part #: OS5360

Spectra OS5360 Oxygen Sensor - Upstream

Upstream
2 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$23.31Free 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: Mazda, 626
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 Mazda 626 Vehicles

The Spectra OS5360 oxygen sensor is designed specifically for Mazda 626 models, ensuring accurate emissions monitoring and optimal engine performance. This sensor helps maintain proper air-fuel mixture for efficient combustion and reduced emissions.

  • Compatible with Mazda 626 models
  • Part number OS5360 for precise identification
  • Designed to monitor exhaust oxygen levels accurately
  • Supports emission control system functionality
  • Durable construction for long-term use

Product Overview and Functionality

The Spectra OS5360 oxygen sensor plays a critical role in the emission control system of Mazda 626 vehicles. By measuring the oxygen content in the exhaust gases, it provides essential feedback to the engine control unit (ECU). This feedback allows the ECU to adjust the air-fuel ratio, improving fuel efficiency and reducing harmful emissions. The sensor is engineered to meet OEM specifications, ensuring compatibility and reliable performance within the emission control system.

Common Applications and Problem Resolution

  • Helps resolve rough idling and engine hesitation
  • Addresses increased fuel consumption issues
  • Reduces exhaust emissions to meet regulatory standards
  • Prevents check engine light triggers related to oxygen sensor faults
  • Improves overall engine responsiveness and efficiency

Installation Notes and Tips

When installing the Spectra OS5360 oxygen sensor on a Mazda 626, ensure the engine is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the sensor wiring. It is recommended to apply anti-seize compound on the sensor threads to facilitate future removal. Verify sensor connector compatibility and secure all connections firmly to prevent exhaust leaks or sensor malfunction.

Quality Assurance and Warranty Information

Spectra oxygen sensors are manufactured to meet strict quality standards, providing reliable performance in emission control applications. The OS5360 part number undergoes rigorous testing to ensure durability and accuracy. While specific warranty details may vary, Spectra typically offers coverage against manufacturing defects to support customer confidence in product reliability.

This part fits 2 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1999Mazda6262.0LL4UpstreamCalifornia emissions vehicles only.
1998Mazda6262.0LL4UpstreamCalifornia emissions vehicles only.

* 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:

139642206423430855S3619752447ES10366FSD918861FSD918861AOS1788SG1034SG1034TSU4608

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