OE Quality
60-Day Returns

Spectra OS6120 Oxygen Sensor - Downstream Right
Reliable Oxygen Sensor for Nissan Pathfinder
The Spectra OS6120 oxygen sensor is designed specifically for Nissan Pathfinder models, ensuring accurate emissions monitoring and optimal engine performance. This sensor helps maintain efficient fuel combustion by providing precise oxygen level readings to the vehicle's engine control unit.
- Direct replacement oxygen sensor for Nissan Pathfinder
- Part number OS6120 for easy identification
- Compatible with emission control systems to reduce harmful exhaust gases
- Durable construction for long-lasting performance
- Ensures accurate air-fuel mixture readings for improved engine efficiency
Product Details and Compatibility
The Spectra OS6120 oxygen sensor is engineered to meet the specifications required by Nissan Pathfinder vehicles. It plays a critical role in the emission control system by measuring the oxygen content in the exhaust gases. This data is used by the engine control module to adjust the air-fuel ratio, which helps optimize fuel economy and reduce emissions. The sensor's precise design and reliable operation make it a suitable replacement part for maintaining your Nissan Pathfinder's emission standards.
Common Applications and Issues Addressed
- Helps resolve rough idling and engine hesitation caused by incorrect air-fuel mixture
- Reduces increased fuel consumption due to faulty oxygen sensor readings
- Prevents failed emissions tests by ensuring proper exhaust gas monitoring
- Addresses check engine light triggers related to oxygen sensor faults
- Supports overall engine performance and reduced exhaust emissions
Installation Notes and Tips
When installing the Spectra OS6120 oxygen sensor on your Nissan Pathfinder, ensure the engine is cool to avoid burns. Use an oxygen sensor socket or appropriate wrench 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 OS6120 oxygen sensor undergoes rigorous quality control to ensure reliable performance in Nissan Pathfinder vehicles. Please refer to the product packaging or manufacturer documentation for specific warranty details.
This part fits 1 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2004 | Nissan | Pathfinder | 3.5L | V6 | Downstream Right |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.