Bosch 15871 Oxygen Sensor - Downstream

Overview of Bosch Actual OE Oxygen Sensor 15871

The Bosch Actual OE Oxygen Sensor 15871 is designed specifically for Nissan Frontier models, providing precise emission control and engine performance monitoring. This narrow-band heated oxygen sensor ensures accurate air-fuel mixture readings for optimal combustion efficiency.

• Compatible with Nissan Frontier vehicles
• Part number 15871 for exact fitment
• Heated narrow-band oxygen sensor type
• Threaded mounting with 18 mm thread diameter
• 47.1-inch wiring harness length with 4 wires and blade terminals
• Square male connector with 4 terminals
• Steel housing with 22 mm hex size for installation
• Standard replacement grade for reliable performance

Detailed Product Features and Specifications

This Bosch oxygen sensor features a heated narrow-band sensor element that helps maintain accurate oxygen level readings under various engine conditions. The sensor is designed with a threaded mounting type, using an 18 mm thread diameter and 22 mm hex size, allowing for straightforward installation on compatible Nissan Frontier models. The wiring harness is 47.1 inches long and includes four wires terminated with blade-type terminals, connected via a square-shaped male connector with four terminals. The sensor housing is constructed from durable steel, weighing approximately 0.44 pounds, ensuring longevity and resistance to harsh under-hood environments.

About the Bosch Actual OE Oxygen Sensor Product Line

The Bosch Actual OE Oxygen Sensor line is engineered to meet original equipment specifications, providing a direct replacement for factory-installed sensors. This product line focuses on delivering precise sensor performance and fitment, ensuring compatibility with specific vehicle makes and models like the Nissan Frontier. The 15871 sensor maintains the integrity of the vehicle’s emission control system by accurately monitoring exhaust gases and supporting efficient engine management.

Common Applications and Issues Addressed

• Restores proper air-fuel ratio monitoring for Nissan Frontier engines
• Resolves check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency by providing accurate exhaust gas data
• Helps reduce harmful emissions by supporting catalytic converter function
• Eliminates rough idling or engine hesitation caused by faulty sensors

Installation Notes and Tips

When installing the Bosch 15871 oxygen sensor, ensure the engine is cool to avoid burns. Use a 22 mm oxygen sensor socket for removal and installation. Verify the sensor’s wiring harness length and connector type match the vehicle’s factory setup to prevent electrical issues. Thread the sensor carefully to avoid cross-threading and torque to manufacturer specifications. No mounting bracket is included, so use the existing vehicle hardware.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards, ensuring reliable operation and durability. The Actual OE Oxygen Sensor 15871 is a standard replacement grade part designed to match OEM performance. While specific warranty details are not provided here, Bosch typically offers limited warranties on their emission control components to cover defects in materials and workmanship.