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Bosch 15437 Oxygen Sensor - Downstream
Reliable Oxygen Sensor for Infiniti G20 Emission Control
The Bosch Actual OE Oxygen Sensor 15437 is designed specifically for the Infiniti G20, ensuring precise emission control and optimal engine performance. This narrow-band heated oxygen sensor provides accurate air-fuel mixture readings to help maintain your vehicle’s efficiency and reduce harmful emissions.
- Specific fit for Infiniti G20 models
- Heated narrow-band oxygen sensor for fast response
- Threaded mounting type with 18 mm thread diameter
- 11.9-inch wiring harness length with 4-wire configuration
- Durable metal housing with steel finish
- Blade terminal type with square male connector
- Overall length of 15.6 inches for proper installation
- Includes wiring harness for direct replacement
About the Bosch Actual OE Oxygen Sensor Line
The Bosch Actual OE Oxygen Sensor line is engineered to meet original equipment specifications, providing a direct replacement solution for emission control sensors. This product line focuses on delivering reliable performance and compatibility with specific vehicle models, such as the Infiniti G20, ensuring proper fitment and function without modification.
Detailed Product Description
The Bosch 15437 oxygen sensor features a narrow-band heated design, which allows it to quickly reach operating temperature and provide accurate oxygen level readings to the engine control unit. Its 4-wire configuration includes a heating element to improve sensor response time. The sensor’s metal housing and steel finish offer durability against harsh engine conditions. With a threaded mounting type and an 18 mm thread diameter, installation is straightforward and secure. The included wiring harness, measuring 11.9 inches, and the square male connector with blade terminals ensure a precise electrical connection. This sensor is a standard replacement part designed specifically for the Infiniti G20, maintaining emission system integrity and engine efficiency.
Common Issues Addressed by This Oxygen Sensor
- Check engine light triggered by faulty oxygen sensor readings
- Poor fuel economy due to incorrect air-fuel mixture
- Increased emissions failing vehicle inspection
- Engine performance issues such as rough idling or hesitation
- Failed catalytic converter efficiency due to sensor malfunction
Installation Notes and Tips
- Ensure the engine is cool before removing the old sensor to avoid burns
- Use a 22 mm hex socket for sensor removal and installation
- Verify the wiring harness length and connector type match the vehicle’s factory setup
- Do not overtighten the sensor; follow manufacturer torque specifications
- Check for any exhaust leaks around the mounting area after installation
Quality Assurance and Warranty
Bosch oxygen sensors are manufactured to meet strict quality standards and undergo rigorous testing to ensure durability and performance. The Actual OE Oxygen Sensor 15437 is backed by Bosch’s commitment to quality, providing a reliable replacement part for your Infiniti G20’s emission control system. Warranty details are available through Bosch and authorized distributors.
This part fits 2 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2001 | INFINITI | G20 | 2.0L | L4 | Downstream | To 12/2000; Actual OE Oxygen Sensor |
| 2000 | INFINITI | G20 | 2.0L | L4 | 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.