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Part #: 16623

Bosch 16623 Oxygen Sensor - Upstream

Actual OE Oxygen Sensor, Upstream
⚙️ 10 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Actual OE Oxygen Sensor, Upstream
🚗Fitment: Saab, 9-3 and 9-3X
🔄Easy Returns — Return within 60 days for a full refund
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Reliable Oxygen Sensor for Saab 9-3 and 9-3X

The Bosch Actual OE Oxygen Sensor 16623 is designed specifically for Saab 9-3 and 9-3X models, ensuring precise emission control and optimal engine performance. This narrow-band heated oxygen sensor provides accurate air-fuel mixture readings to maintain efficient combustion and reduce emissions.

  • Specific fit for Saab 9-3 and 9-3X vehicles
  • Heated narrow-band oxygen sensor for fast response
  • Threaded mounting type with 18 mm thread diameter and 22 mm hex size
  • Includes 14.1-inch wiring harness with 4 male blade terminals and rectangular male connector
  • Durable metal housing finished in steel for long-lasting use
  • Standard replacement grade for reliable performance
  • Overall length of 17.4 inches with 16.3 inches from sealing surface to connector end

About the Bosch Actual OE Oxygen Sensor Product Line

The Bosch Actual OE Oxygen Sensor line is engineered to meet original equipment specifications, providing a direct replacement for factory-installed sensors. This product line focuses on delivering consistent sensor performance and durability, making it suitable for emission control systems in specific vehicle applications like the Saab 9-3 and 9-3X. The 16623 part number represents a standard replacement sensor with a heated narrow-band design, ensuring compatibility and reliable operation within the vehicle’s engine management system.

Detailed Product Description

This Bosch oxygen sensor features a heated narrow-band sensor type that quickly reaches operating temperature, improving emission control accuracy. The sensor’s metal housing and steel finish provide resistance to harsh engine conditions. It includes a 14.1-inch wiring harness with four wires and a rectangular male connector with four blade terminals, facilitating straightforward installation and secure electrical connections. The threaded mounting type with an 18 mm diameter and 22 mm hex size allows for proper fitment and torque application. Weighing approximately 0.216 pounds, this sensor is designed for specific Saab 9-3 and 9-3X models, ensuring precise fit and function.

Common Issues Addressed by This Oxygen Sensor

  • Incorrect air-fuel mixture readings causing poor fuel economy
  • Check engine light triggered by faulty oxygen sensor signals
  • Increased vehicle emissions failing regulatory standards
  • Engine performance issues such as rough idling or hesitation
  • Failed emissions tests due to sensor malfunction

Installation Notes and Tips

  • Ensure vehicle compatibility with Saab 9-3 or 9-3X before installation
  • Use a 22 mm oxygen sensor socket for proper removal and installation
  • Do not overtighten; follow manufacturer torque specifications for the 18 mm threaded sensor
  • Inspect wiring harness and connector for damage before installation
  • Allow the engine to cool before replacing the sensor to avoid burns

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards and are tested for durability and performance. The Actual OE Oxygen Sensor 16623 is a standard replacement part designed to match original equipment specifications. While specific warranty details may vary, Bosch typically offers coverage against defects in materials and workmanship to ensure customer confidence in the product’s reliability.

This part fits 10 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2011Saab9-32.0LL4UpstreamActual OE Oxygen Sensor
2011Saab9-3X2.0LL4UpstreamActual OE Oxygen Sensor
2010Saab9-32.0LL4UpstreamActual OE Oxygen Sensor
2010Saab9-3X2.0LL4UpstreamActual OE Oxygen Sensor
2009Saab9-32.0LL4UpstreamActual OE Oxygen Sensor
2008Saab9-32.0LL4UpstreamActual OE Oxygen Sensor
2007Saab9-32.0LL4UpstreamActual OE Oxygen Sensor
2006Saab9-32.0LL4UpstreamActual OE Oxygen Sensor
2005Saab9-32.0LL4UpstreamActual OE Oxygen Sensor
2004Saab9-32.0LL4UpstreamActual 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.