OE Quality
60-Day Returns

Bosch 15119 Oxygen Sensor - Downstream or Downstream Right
Overview of Bosch Validated Oxygen Sensor 15119 for Lexus GS300
The Bosch Validated Oxygen Sensor 15119 is designed specifically for the Lexus GS300, ensuring precise emission control and optimal engine performance. This narrow-band heated oxygen sensor offers reliable operation with a threaded mounting type and a durable metal housing.
- Compatible with Lexus GS300 models
- Part number 15119 for exact fitment
- Narrow-band heated oxygen sensor type
- Threaded mounting with 18 mm thread diameter
- 18.7-inch wiring harness length with 4 wires and blade terminals
- Standard replacement grade with metal housing and steel finish
- Connector shape: rectangle, male gender with 4 terminals
- Overall length of 22.4 inches for proper installation
- Includes wiring harness, no additional accessories
- Hex size 22 mm for installation tools
About the Bosch Validated Oxygen Sensor Product Line
The Bosch Validated Oxygen Sensor line focuses on delivering sensors that meet strict OEM specifications for fit, form, and function. This ensures that the oxygen sensor 15119 maintains accurate air-fuel ratio readings and supports emission control systems effectively. The product line emphasizes compatibility and reliability, making it suitable for specific vehicle applications like the Lexus GS300.
Detailed Product Description
This Bosch oxygen sensor 15119 is a narrow-band heated sensor designed to monitor exhaust gases and provide feedback to the engine control unit (ECU). The heated element allows the sensor to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The sensor features a threaded mounting type with an 18 mm thread diameter, ensuring a secure fit in the exhaust system. The wiring harness is 18.7 inches long and includes four wires with blade terminals, housed in a rectangular male connector with four terminals. The sensor’s metal housing and steel finish provide durability under high-temperature conditions. With an overall length of 22.4 inches and a hex size of 22 mm, this sensor is engineered for straightforward installation and reliable performance.
Common Applications and Issues Addressed
- Restores accurate oxygen sensing for Lexus GS300 emission control
- Resolves engine performance issues related to faulty oxygen sensors
- Helps correct rough idling and poor fuel economy
- Reduces exhaust emissions by maintaining proper air-fuel mixture
- Prevents check engine light triggers related to oxygen sensor faults
Installation Notes and Tips
- Ensure compatibility with Lexus GS300 before installation
- Use a 22 mm hex socket for sensor removal and installation
- Do not overtighten the threaded sensor to avoid damage
- Check wiring harness connections for secure fit and proper terminal engagement
- Allow the engine to cool before replacing the sensor to prevent burns
Quality Assurance and Warranty
The Bosch Validated Oxygen Sensor 15119 is manufactured to meet OEM standards for quality and durability. It undergoes rigorous testing to ensure reliable performance in emission control systems. While specific warranty details are not provided here, Bosch products typically come with a limited warranty covering defects in materials and workmanship.
This part fits 2 vehicles. Search below:
| Year | Make | Model | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2006 | Lexus | GS300 | AWD | 3.0L | V6 | Downstream Right | Bosch Validated Oxygen Sensor |
| 2006 | Lexus | GS300 | RWD | 3.0L | V6 | Downstream | Bosch Validated 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.