Spectra OS5289 Oxygen Sensor - Upstream, Upstream Left or Upstream Right

Reliable Oxygen Sensor for Toyota 4Runner, Tacoma, and Tundra

The Spectra OS5289 oxygen sensor is designed to provide accurate emissions monitoring for select Toyota models. Engineered to meet OEM specifications, this sensor helps maintain optimal engine performance and emission control.

• Compatible with Toyota 4Runner, Tacoma, and Tundra models
• Part number OS5289 ensures precise fit and function
• Monitors exhaust oxygen levels for efficient fuel management
• Supports emission control system compliance
• Durable construction for long service life

Product Details and Compatibility

The Spectra OS5289 oxygen sensor is an essential component in the emission control system of Toyota 4Runner, Tacoma, and Tundra vehicles. This sensor measures the oxygen content in the exhaust gases, providing critical data to the engine control unit (ECU) for adjusting the air-fuel mixture. Proper operation of this sensor helps reduce harmful emissions and improves fuel efficiency. The OS5289 is manufactured to meet or exceed OEM standards, ensuring reliable performance and compatibility with the specified Toyota models.

Common Applications and Issues Addressed

• Helps resolve rough idling and engine hesitation
• Reduces increased fuel consumption caused by faulty sensors
• Prevents check engine light triggers related to oxygen sensor faults
• Supports emission test compliance by maintaining proper exhaust readings
• Addresses poor acceleration due to incorrect air-fuel mixture data

Installation Notes and Tips

When installing the Spectra OS5289 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the sensor wiring harness. It is recommended to apply anti-seize compound on the sensor threads to facilitate future removal. Verify sensor connector compatibility with the vehicle’s wiring harness before installation. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper sensor operation.

Quality Assurance and Warranty

Spectra oxygen sensors are manufactured under strict quality control standards to ensure durability and accurate performance. While specific warranty details for part number OS5289 are not provided here, Spectra typically offers coverage against manufacturing defects. Refer to the product packaging or manufacturer documentation for exact warranty terms.