Bosch 18003 Oxygen Sensor - Downstream Right

Overview of Bosch Actual OE Oxygen Sensor 18003

The Bosch Actual OE Oxygen Sensor 18003 is designed specifically for Nissan Frontier and Xterra models. This narrow-band heated oxygen sensor ensures accurate emission control and optimal engine performance by monitoring exhaust gases effectively.

• Specific fit for Nissan Frontier and Xterra vehicles
• Heated narrow-band oxygen sensor for precise readings
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes a 30.7-inch wiring harness with a 4-wire blade terminal connector
• Durable metal housing finished in steel for long-lasting use

About the Bosch Actual OE Oxygen Sensor Product Line

The Actual OE Oxygen Sensor line by Bosch is engineered to meet original equipment specifications, providing reliable replacement parts that maintain factory performance standards. This product line focuses on delivering sensors that match the exact fit and function required by specific vehicle models, such as the Nissan Frontier and Xterra, ensuring compatibility and ease of installation.

Detailed Product Description

The Bosch 18003 oxygen sensor features a narrow-band heated sensor type, which allows for quicker warm-up times and more accurate air-fuel mixture readings. It comes with a 4-wire blade terminal connector with a square shape and male gender, designed for a secure and precise electrical connection. The sensor’s overall length is 34.4 inches, with a wiring harness length of 30.7 inches, providing sufficient reach for installation. The threaded mounting type with an 18 mm diameter and 22 mm hex size ensures a proper fit and easy tightening during replacement. Constructed with a metal housing and finished in steel, this sensor is built to withstand harsh engine conditions.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for improved fuel efficiency
• Resolves check engine light triggers related to oxygen sensor faults
• Helps reduce harmful emissions by maintaining proper air-fuel ratios
• Prevents engine performance issues caused by faulty sensor readings
• Supports emission control system compliance for Nissan Frontier and Xterra

Installation Notes and Tips

When installing the Bosch 18003 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 and connector type match the vehicle’s specifications. The sensor is threaded and requires proper torque to avoid leaks or damage. No mounting bracket is included, so use the existing mounting point on the vehicle. Confirm the connector’s male blade terminals align correctly with the vehicle harness for a secure connection.

Quality Assurance and Warranty

Bosch oxygen sensors, including the Actual OE Oxygen Sensor 18003, are manufactured to meet strict quality standards and original equipment specifications. This ensures reliable performance and durability under normal operating conditions. Bosch typically offers a limited warranty on their oxygen sensors; please refer to Bosch’s official documentation or your parts provider for specific warranty details.