HomeBosch 13666 Oxygen Sensor - Upstream Right
Part #: 13666

Bosch 13666 Oxygen Sensor - Upstream Right

Actual OE Oxygen Sensor, Upstream Right
4 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Actual OE Oxygen Sensor, Upstream Right
Fitment: INFINITI, Q45
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Overview of Bosch Actual OE Oxygen Sensor 13666

The Bosch Actual OE Oxygen Sensor 13666 is designed specifically for the INFINITI Q45, ensuring precise emission control and optimal engine performance. This narrow-band heated oxygen sensor provides accurate air-fuel mixture readings to help maintain efficient combustion and reduce harmful emissions.

  • Compatible with INFINITI Q45 models
  • Part number 13666 for exact fitment
  • Threaded mounting type with 18 mm thread diameter
  • Heated narrow-band oxygen sensor for faster response
  • Standard replacement grade with metal housing and steel finish
  • 3-wire configuration with 4 terminals and round male connector
  • 22 mm hex size for installation

Detailed Features and Specifications

This Bosch oxygen sensor features a threaded mounting type with an 18 mm thread diameter and thread size, ensuring a secure and precise fit for the INFINITI Q45. The sensor is a narrow-band heated type, which allows it to reach operating temperature quickly for accurate oxygen level detection. It includes a 3-wire setup with 4 terminals, a round male connector, and female terminals, designed for specific fitment rather than universal application. The sensor housing is made of durable metal with a steel finish, weighing approximately 0.29 lbs. The 22 mm hex size facilitates straightforward installation and removal.

About Bosch Actual OE Oxygen Sensor Product Line

The Bosch Actual OE Oxygen Sensor line is engineered to meet original equipment specifications, providing reliable performance and compatibility. This product line focuses on delivering sensors that match the exact fit and function of factory-installed parts, making it a suitable choice for professional repairs and maintenance. The 13666 sensor is part of this line, ensuring it meets the standards expected for emission control components in vehicles like the INFINITI Q45.

Common Applications and Problem Resolution

  • Restores accurate air-fuel ratio readings for engine control
  • Helps resolve check engine light issues related to oxygen sensors
  • Improves fuel efficiency by providing precise sensor data
  • Reduces harmful exhaust emissions to meet regulatory standards
  • Prevents engine performance problems caused by faulty sensors

Installation Notes and Tips

When installing the Bosch 13666 oxygen sensor on an INFINITI Q45, ensure the threaded sensor is properly torqued to avoid leaks. Use a 22 mm oxygen sensor socket for removal and installation. Verify the connector’s round male shape matches the vehicle’s wiring harness for a secure connection. Since this is a specific fit sensor, confirm compatibility with your vehicle’s model year before installation.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards, ensuring durability and reliable performance. The Actual OE Oxygen Sensor 13666 undergoes rigorous testing to comply with OEM specifications. While specific warranty details may vary, Bosch typically offers coverage against defects in materials and workmanship, providing confidence in the sensor’s long-term functionality.

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2001INFINITIQ454.1LV8Upstream RightActual OE Oxygen Sensor
2000INFINITIQ454.1LV8Upstream RightActual OE Oxygen Sensor
1999INFINITIQ454.1LV8Upstream RightActual OE Oxygen Sensor
1998INFINITIQ454.1LV8Upstream RightActual OE Oxygen Sensor

* 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.