HomeEmission Control > SensorsBosch 16546 Oxygen Sensor - Downstream
Part #: 16546

Bosch 16546 Oxygen Sensor - Downstream

Actual OE Oxygen Sensor, Downstream
4 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Actual OE Oxygen Sensor, Downstream
Fitment: Saab, 9-3
Easy Returns — Return within 60 days for a full refund
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Overview of Bosch Actual OE Oxygen Sensor 16546

The Bosch Actual OE Oxygen Sensor 16546 is designed specifically for Saab 9-3 models, providing precise emission control and engine performance monitoring. This narrow-band heated oxygen sensor ensures accurate air-fuel mixture readings to help maintain optimal combustion efficiency.

  • Compatible with Saab 9-3 vehicles
  • Part number 16546 for exact fitment
  • Heated narrow-band oxygen sensor for reliable operation
  • Threaded mounting type with 18 mm thread diameter
  • Includes 10-inch wiring harness with 4-pin female connector
  • Steel housing with 22 mm hex size for installation
  • Standard replacement grade for emission control sensors

Details on Bosch Actual OE Oxygen Sensor Product Line

The Bosch Actual OE Oxygen Sensor line is engineered to meet original equipment specifications, ensuring compatibility and performance consistent with factory-installed sensors. This product line focuses on delivering precise sensor readings and durability, making it suitable for emission control systems requiring specific fitment and reliable heated sensor technology.

Technical Description and Features

This Bosch oxygen sensor features a narrow-band heated design, which allows it to reach operating temperature quickly for accurate air-fuel ratio measurement. The sensor includes a 10-inch wiring harness with four wires and a female oblong connector, facilitating straightforward electrical connections. Its steel housing and threaded mounting type (18 mm thread size) provide secure installation and durability under high-temperature exhaust conditions. The sensor’s overall length is 13.4 inches, with a sealing surface to connector length of 12.2 inches, ensuring proper fitment in the exhaust system of Saab 9-3 vehicles.

Common Applications and Problem Solving

  • Restores accurate oxygen sensing for proper engine management
  • Helps resolve check engine light issues related to oxygen sensor faults
  • Improves fuel efficiency by maintaining correct air-fuel mixture
  • Reduces harmful emissions by ensuring proper catalytic converter function
  • Prevents engine performance problems caused by faulty sensor readings

Installation Notes and Tips

When installing the Bosch Actual OE Oxygen Sensor 16546, ensure the vehicle is cool to avoid burns. Use a 22 mm oxygen sensor socket for removal and installation. Verify the wiring harness length and connector type match the vehicle’s original sensor to avoid electrical issues. Thread the sensor carefully to prevent cross-threading and torque to manufacturer specifications. No mounting bracket is included, so use the existing exhaust system mounting points.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards and undergo rigorous testing to ensure durability and performance. This sensor is a standard replacement part designed to meet OEM specifications for the Saab 9-3. While specific warranty details are not provided here, Bosch typically offers limited warranties on their emission control sensors to cover manufacturing defects.

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2009Saab9-32.8LV6DownstreamActual OE Oxygen Sensor
2008Saab9-32.8LV6DownstreamActual OE Oxygen Sensor
2007Saab9-32.8LV6DownstreamActual OE Oxygen Sensor
2006Saab9-32.8LV6DownstreamActual 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.