Bosch 18004 Oxygen Sensor - Downstream Left

Reliable Oxygen Sensor for Nissan Frontier and Xterra

The Bosch Actual OE Oxygen Sensor 18004 is designed specifically for Nissan Frontier and Xterra 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.

• Specific fit for Nissan Frontier and Xterra vehicles
• Heated narrow-band oxygen sensor for improved response time
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes a 41.8-inch wiring harness with a square male connector
• Standard replacement grade with metal housing and steel finish
• Four-wire design with blade terminal type for secure connections

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 18004 part number belongs to this line, offering a standard replacement sensor with a heated element to maintain accurate readings under various operating conditions.

Detailed Product Description

This Bosch oxygen sensor features a narrow-band design with heating capability to reduce warm-up time and improve sensor accuracy. The sensor's metal housing and steel finish provide durability and resistance to harsh engine environments. It includes a 41.8-inch wiring harness with a square-shaped male connector and four blade terminals, ensuring a secure and precise electrical connection. The threaded mounting type with an 18 mm diameter and 22 mm hex size allows for straightforward installation in compatible Nissan Frontier and Xterra models.

Common Applications and Issues Addressed

• Restores proper air-fuel ratio monitoring for Nissan Frontier and Xterra
• Helps resolve check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency by providing accurate emissions data
• Reduces harmful exhaust emissions by maintaining optimal combustion
• Prevents engine performance issues caused by faulty oxygen sensors

Installation Notes and Tips

When installing the Bosch 18004 oxygen sensor, ensure the engine is cool to avoid burns. Use a 22 mm oxygen sensor socket for removal and installation. Verify the wiring harness length of 41.8 inches is sufficient for your vehicle's routing. The sensor's threaded mounting and male blade terminals require proper torque and secure electrical connections to function correctly. No mounting bracket is included, so use the existing factory hardware.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards and original equipment specifications. The Actual OE Oxygen Sensor 18004 is a standard replacement part designed for durability and reliable performance. While specific warranty details may vary, Bosch typically offers coverage against defects in materials and workmanship to ensure customer confidence in their product.