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Bosch 16746 Oxygen Sensor - Downstream or Downstream Right
Overview of Bosch Actual OE Oxygen Sensor 16746
The Bosch Actual OE Oxygen Sensor 16746 is designed specifically for Cadillac CTS, SRX, and STS models. This narrow-band heated oxygen sensor ensures accurate emission control and optimal engine performance by providing precise air-fuel mixture data to the vehicle’s engine management system.
- Specific fit for Cadillac CTS, SRX, and STS
- Heated narrow-band oxygen sensor for reliable operation
- Threaded mounting type with 18 mm thread diameter and 22 mm hex size
- Includes a 7.6-inch wiring harness with 4-pin male connector
- Durable metal housing finished in steel for long-lasting use
Detailed Product Features and Specifications
This Bosch oxygen sensor (part number 16746) features a 4-wire configuration with a 4-pin female terminal type, ensuring secure and precise electrical connections. The sensor is heated, which allows it to reach operating temperature quickly, improving emission control efficiency. The wiring harness length is 7.6 inches, with an overall length of 10.9 inches and a 9.8-inch length from the sealing surface to the end of the connector, providing ample reach for installation in the engine bay.
The sensor’s mounting is threaded with an 18 mm diameter and size, compatible with the original equipment specifications for Cadillac vehicles. The connector has a square shape and male gender, designed to fit the specific wiring harness of the vehicle. The metal housing and steel finish provide durability and resistance to harsh engine conditions.
About the Bosch Actual OE Oxygen Sensor Product Line
The Bosch Actual OE Oxygen Sensor line is engineered to meet original equipment standards, offering a direct replacement for factory-installed sensors. This product line focuses on delivering precise sensor performance and fitment, ensuring compatibility with specific vehicle models like the Cadillac CTS, SRX, and STS. Using sensors from this line helps maintain the vehicle’s emission control system integrity and engine efficiency.
Common Applications and Problem Solving
- Restores accurate air-fuel ratio readings for engine control
- Resolves check engine light issues related to oxygen sensor faults
- Improves fuel efficiency by providing correct emission data
- Reduces harmful exhaust emissions by maintaining proper sensor function
- Prevents engine performance problems caused by faulty oxygen sensors
Installation Notes and Tips
When installing the Bosch 16746 oxygen sensor, ensure the threaded mounting hole is clean and free of debris. Use a 22 mm wrench or socket to tighten the sensor to the manufacturer’s torque specifications. The 4-pin connector should be securely attached to the vehicle’s wiring harness, matching the male connector on the sensor. Since this is a specific fit sensor, verify compatibility with Cadillac CTS, SRX, or STS models before installation.
Quality Assurance and Warranty
Bosch oxygen sensors are manufactured to meet strict quality standards, using durable metal housings and reliable heating elements for consistent performance. The Actual OE Oxygen Sensor 16746 is designed as a standard replacement part, ensuring it meets or exceeds OEM specifications. While specific warranty details may vary, Bosch typically offers coverage against defects in materials and workmanship to support product reliability.
This part fits 24 vehicles. Search below:
| Year | Make | Model | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2009 | Cadillac | CTS | Manual | 3.6L | V6 | Downstream | Actual OE Oxygen Sensor |
| 2009 | Cadillac | CTS | Automatic | 3.6L | V6 | Downstream Right | Actual OE Oxygen Sensor |
| 2009 | Cadillac | SRX | 3.6L | V6 | Downstream | Actual OE Oxygen Sensor | |
| 2009 | Cadillac | STS | 3.6L | V6 | Downstream Right | Actual OE Oxygen Sensor | |
| 2008 | Cadillac | CTS | Automatic | 3.6L | V6 | Downstream Right | Actual OE Oxygen Sensor |
| 2008 | Cadillac | CTS | Manual | 3.6L | V6 | Downstream | Actual OE Oxygen Sensor |
| 2008 | Cadillac | SRX | 3.6L | V6 | Downstream | Actual OE Oxygen Sensor | |
| 2008 | Cadillac | STS | 3.6L | V6 | Downstream Right | Actual OE Oxygen Sensor | |
| 2007 | Cadillac | CTS | 2.8L | V6 | Downstream | Actual OE Oxygen Sensor | |
| 2007 | Cadillac | CTS | 3.6L | V6 | Downstream | Actual OE Oxygen Sensor | |
| 2007 | Cadillac | SRX | 3.6L | V6 | Downstream | Actual OE Oxygen Sensor | |
| 2007 | Cadillac | STS | 3.6L | V6 | Downstream | Actual OE Oxygen Sensor | |
| 2006 | Cadillac | CTS | 3.6L | V6 | Downstream | Actual OE Oxygen Sensor | |
| 2006 | Cadillac | CTS | 2.8L | V6 | Downstream | Actual OE Oxygen Sensor | |
| 2006 | Cadillac | SRX | 4.6L | V8 | Downstream | Actual OE Oxygen Sensor | |
| 2006 | Cadillac | SRX | 3.6L | V6 | Downstream | Actual OE Oxygen Sensor | |
| 2006 | Cadillac | STS | 4.6L | V8 | Downstream | Actual OE Oxygen Sensor | |
| 2006 | Cadillac | STS | 3.6L | V6 | Downstream | Actual OE Oxygen Sensor | |
| 2005 | Cadillac | CTS | 3.6L | V6 | Downstream | Actual OE Oxygen Sensor | |
| 2005 | Cadillac | CTS | 2.8L | V6 | Downstream | Actual OE Oxygen Sensor | |
| 2005 | Cadillac | SRX | 4.6L | V8 | Downstream | Actual OE Oxygen Sensor | |
| 2005 | Cadillac | SRX | 3.6L | V6 | Downstream | Actual OE Oxygen Sensor | |
| 2005 | Cadillac | STS | 4.6L | V8 | Downstream | Actual OE Oxygen Sensor | |
| 2005 | Cadillac | STS | 3.6L | V6 | Downstream | Actual 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.