Bosch 18002 Oxygen Sensor - Upstream Left

Reliable Oxygen Sensor for Nissan Frontier and Xterra

The Bosch Actual OE Oxygen Sensor 18002 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 the vehicle’s engine management system.

• Brand: Bosch
• Brand Line: Actual OE Oxygen Sensor
• Part Number: 18002
• Fitment: Nissan Frontier, Nissan Xterra
• Oxygen Sensor Type: Narrow-band heated
• Wiring Harness Length: 31.1 inches
• Connector Shape: Rectangle, Male Connector
• Terminal Type: Pin with 4 terminals
• Mounting Type: Threaded, 18 mm thread diameter
• Overall Length: 34.8 inches
• Housing Material: Metal with steel finish
• Wire Quantity: 3 wires included with wiring harness
• Hex Size: 22 mm for installation

About the Bosch Actual OE Oxygen Sensor 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 Nissan vehicles, including the Frontier and Xterra. The sensors in this line feature heated elements to improve response time and maintain accurate readings under various operating conditions.

Product Details and Specifications

This Bosch oxygen sensor features a narrow-band heated design, which allows it to quickly reach operating temperature and deliver precise air-fuel ratio data. The sensor includes a 31.1-inch wiring harness with a rectangular male connector housing four pin terminals, ensuring a secure and specific fit for Nissan Frontier and Xterra models. The threaded mounting type with an 18 mm diameter and 22 mm hex size allows for straightforward installation using standard tools. Constructed with a durable metal housing finished in steel, this sensor is built to withstand harsh engine environments.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper engine fuel management
• Helps resolve rough idling and poor fuel economy
• Reduces emissions by ensuring correct air-fuel mixture
• Prevents check engine light triggers related to oxygen sensor faults
• Improves overall engine performance and drivability

Installation Notes and Tips

When installing the Bosch 18002 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 your vehicle’s factory sensor to ensure proper fitment. Thread the sensor carefully to avoid cross-threading and torque to manufacturer specifications. No mounting bracket is included, as this sensor mounts directly into the exhaust system.

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 line is a standard replacement grade product, engineered to match OEM specifications. While specific warranty details are not provided here, Bosch typically offers limited warranties on their emission control components to ensure customer confidence.