Bosch 13651 Oxygen Sensor - Downstream Left

Reliable Oxygen Sensor for Nissan Pathfinder and Infiniti QX4

The Bosch Actual OE Oxygen Sensor 13651 is designed specifically for Nissan Pathfinder and Infiniti QX4 models. This narrow-band heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to your vehicle's engine management system.

• Brand: Bosch
• Part Number: 13651
• Compatible with Nissan Pathfinder and Infiniti QX4
• Wiring Harness Length: 44.9 inches
• Threaded Mounting Type with 18 mm Thread Diameter
• Heated Narrow-band Oxygen Sensor
• 4-wire configuration with blade terminals and square male connector
• Overall Length: 48.6 inches
• Metal housing with steel finish
• Includes wiring harness

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 ensures compatibility and reliable performance for emission control systems. The 13651 sensor maintains the integrity of your vehicle’s emissions system by delivering accurate oxygen level readings, essential for efficient fuel combustion and reduced emissions.

Detailed Product Description

This Bosch oxygen sensor features a narrow-band heated design, which allows it to reach operating temperature quickly for faster sensor response. The sensor includes a 4-wire setup with blade-type terminals and a square male connector, ensuring secure and precise electrical connections. Its threaded mounting type with an 18 mm thread diameter allows for straightforward installation in the exhaust system. The sensor’s metal housing and steel finish provide durability and resistance to harsh automotive environments. With an overall length of 48.6 inches and a wiring harness length of 44.9 inches, this sensor offers ample reach for proper fitment in Nissan Pathfinder and Infiniti QX4 vehicles.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for improved engine efficiency
• Helps resolve check engine light triggers related to oxygen sensor faults
• Reduces emissions by ensuring proper catalytic converter function
• Improves fuel economy by optimizing combustion control
• Prevents rough idling and engine performance issues caused by faulty sensors

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use a 22 mm oxygen sensor socket for installation and removal
• Verify connector type and wiring harness length for proper fitment
• Do not overtighten the sensor; follow manufacturer torque specifications
• Check for exhaust leaks after installation to maintain sensor accuracy

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards and are designed for durability and reliable performance. The Actual OE Oxygen Sensor 13651 is a standard replacement part that maintains factory specifications. While specific warranty details may vary, Bosch typically offers coverage against defects in materials and workmanship to ensure customer confidence in their product.