HomeEmission Control > SensorsSpectra OS5318 Oxygen Sensor - Upstream
Part #: OS5318

Spectra OS5318 Oxygen Sensor - Upstream

Upstream
⚙️ 7 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, Celica, RAV4, and Camry
🔄Easy Returns — Return within 60 days for a full refund
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Reliable Oxygen Sensor for Toyota Camry, Celica, and RAV4

The Spectra OS5318 oxygen sensor is designed to provide accurate emissions monitoring for select Toyota models. This sensor helps maintain optimal engine performance and supports emission control systems in vehicles like the Camry, Celica, and RAV4.

  • Compatible with Toyota Camry, Celica, and RAV4 models
  • Part number OS5318 ensures precise fitment and function
  • Designed for emission control sensor replacement
  • Helps maintain fuel efficiency and reduce emissions
  • Durable construction for reliable long-term operation

Product Overview and Compatibility

The Spectra OS5318 oxygen sensor is engineered to meet the specifications required by Toyota vehicles including the Camry, Celica, and RAV4. 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. Using the correct part number OS5318 ensures proper sensor operation and compatibility with the 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 emission test failures due to inaccurate oxygen readings
  • Addresses check engine light triggers related to oxygen sensor faults
  • Supports smoother engine performance and reduced exhaust emissions

Installation Notes and Tips

When installing the Spectra OS5318 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 if recommended by the vehicle manufacturer. Verify the sensor connector is securely attached to avoid signal interruptions. Proper installation helps maintain sensor accuracy and vehicle performance.

Quality Assurance and Warranty

Spectra oxygen sensors are manufactured to meet industry standards for emission control components. The OS5318 part undergoes quality checks to ensure durability and reliable operation. While specific warranty details may vary, Spectra typically offers coverage against defects in materials and workmanship to support customer confidence in the product.

This part fits 7 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1999ToyotaCelica2.2LL4Upstream
1998ToyotaCelica2.2LL4Upstream
1997ToyotaCelica2.2LL4Upstream
1997ToyotaRAV42.0LL4Upstream
1996ToyotaCamry2.2LL4Upstream
1996ToyotaCelica2.2LL4Upstream
1996ToyotaRAV42.0LL4Upstream

* 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:

12105135671356921312162342058245145S39865S399775181089465800028946580008ES10650OS1214OS1430SG380SG380TSG677SG677TSU4959SU4960

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