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Bosch 15526 Oxygen Sensor - Downstream Right
Reliable Oxygen Sensor for Nissan Pathfinder
The Bosch Validated Oxygen Sensor 15526 is designed specifically for Nissan Pathfinder models, ensuring precise emission control and optimal engine performance. This narrow-band heated oxygen sensor provides accurate air-fuel mixture readings to help maintain efficient combustion.
- Specific fit for Nissan Pathfinder vehicles
- Narrow-band heated oxygen sensor type
- Threaded mounting with 18 mm thread diameter and 22 mm hex size
- Includes a 32.8-inch wiring harness with 4 wires and blade terminals
- Durable metal housing finished in steel color
- Connector features a square shape with male gender and 4 terminals
- Overall length of 36.2 inches for proper installation
About the Bosch Validated Oxygen Sensor Line
The Bosch Validated Oxygen Sensor product line focuses on delivering reliable emission control components that meet OEM specifications. This line ensures compatibility and performance for specific vehicle applications, such as the Nissan Pathfinder, providing a standard replacement grade sensor that supports proper engine management and emissions compliance.
Product Details and Specifications
The Bosch 15526 oxygen sensor is a narrow-band heated sensor designed to monitor exhaust oxygen levels accurately. It features a threaded mounting type with an 18 mm thread diameter and a 22 mm hex size for secure installation. The sensor includes a 32.8-inch wiring harness with four wires and blade terminals, facilitating a direct connection to the vehicle's electrical system. The connector is male with a square shape and four terminals, matching the Nissan Pathfinder's factory specifications. Constructed with a metal housing and finished in steel color, this sensor is built for durability and consistent performance. The overall length of 36.2 inches ensures proper fitment within the exhaust system.
Common Applications and Issues Addressed
- Restores accurate air-fuel ratio readings for improved fuel efficiency
- Helps resolve check engine light triggers related to oxygen sensor faults
- Supports reduction of harmful emissions for environmental compliance
- Prevents engine performance issues caused by faulty sensor signals
- Maintains proper operation of the vehicle’s emission control system
Installation Notes and Tips
When installing the Bosch 15526 oxygen sensor on a Nissan Pathfinder, ensure the threaded sensor is securely tightened using a 22 mm hex socket. Verify the wiring harness length of 32.8 inches is sufficient for your vehicle’s routing requirements. The sensor’s male blade terminals and square connector should match the factory harness for a direct plug-and-play fit. Avoid damaging the sensor’s wiring during installation and confirm the sensor is mounted in the correct orientation for accurate readings.
Quality Assurance and Warranty
The Bosch Validated Oxygen Sensor 15526 is manufactured to meet OEM standards for fit, form, and function. It is a standard replacement grade sensor designed to provide reliable performance in Nissan Pathfinder vehicles. Bosch products typically come with a limited warranty; please refer to Bosch’s official documentation for specific warranty details related to this oxygen sensor.
| Brand | Bosch |
| Part Number | 15526 |
| Position | Bosch Validated Oxygen Sensor, Downstream Right |
| Wiring Harness Length | 32.8 |
| Terminal Type | Blade |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Grade Type | Standard replacement |
| Connector Shape | Square |
| Terminal Quantity | 4 |
| Connector Gender | Male |
| Terminal Gender | Male |
| Overall Length | 36.2 |
| Mounting Type | Threaded |
| Additional Accessories Included | No |
| Automotive Color / Finish | Steel |
| Automotive Item Weight (lbs) | 0.330693 lb |
| Heated (Oxygen Sensor) | Yes |
| Hex Size (Oxygen Sensor) | 22 mm |
| Housing Material | Metal |
| Length (Sealing Surface To End Of Connector) | 35 in |
| Mounting Bracket Included | No |
| Oxygen Sensor Type | Narrow-band heated |
| Sensor Type | Narrow-band |
| Thread Diameter (Oxygen Sensor) | 18 mm |
| Thread Size | 18 |
| Wiring Harness Included | Yes |
This part fits 1 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2003 | Nissan | Pathfinder | 3.5L | V6 | Downstream Right | 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.