Bosch 17643 Oxygen Sensor - Upstream

Overview of Bosch Actual OE Oxygen Sensor 17643

The Bosch Actual OE Oxygen Sensor 17643 is designed specifically for Honda Civic models, providing precise emission control and optimal engine performance. This narrow-band heated oxygen sensor features a threaded mounting type and a durable metal housing to ensure reliable operation.

• Compatible with Honda Civic vehicles
• Part number 17643 for exact fitment
• Narrow-band heated oxygen sensor type
• Threaded mounting with 18 mm thread diameter
• 9.4-inch wiring harness length with connector included
• Blade terminal type with 6 terminals and male connector
• Steel finish with 12.8-inch overall length
• Standard replacement grade for emission control sensors

Detailed Product Features and Specifications

This Bosch oxygen sensor is part of the Actual OE Oxygen Sensor line, which focuses on delivering original equipment quality and fitment. The sensor is a narrow-band heated type, designed to provide accurate air-fuel mixture readings to the engine control unit. It features a 22 mm hex size for installation and a threaded mounting type with an 18 mm thread diameter, ensuring a secure fit in the exhaust system.

The sensor includes a 9.4-inch wiring harness with an oblong-shaped male connector and blade terminal type, featuring 6 terminals and 4 wires. The overall length of the sensor is 12.8 inches, with a length of 11.6 inches from the sealing surface to the end of the connector. The metal housing and steel finish provide durability under high-temperature conditions.

Applications and Common Issues Addressed

• Replacement for faulty or failing oxygen sensors in Honda Civic models
• Helps resolve engine performance issues related to incorrect air-fuel mixture
• Reduces emissions by providing accurate feedback to the engine control unit
• Prevents check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency by maintaining proper combustion control

Installation Notes and Tips

When installing the Bosch Actual OE Oxygen Sensor 17643, ensure the sensor is threaded securely into the exhaust manifold or pipe using a 22 mm wrench. The wiring harness length of 9.4 inches allows for proper routing without strain. Verify the male oblong connector aligns correctly with the vehicle’s wiring harness to avoid connection issues. This sensor is a specific fit for Honda Civic models, so confirm compatibility before installation.

Quality Assurance and Warranty

Bosch’s Actual OE Oxygen Sensor line is engineered to meet original equipment specifications, ensuring reliable performance and durability. This sensor is a standard replacement grade part, designed to maintain emission control system integrity. While specific warranty details are not provided here, Bosch typically offers coverage consistent with OEM standards for emission control components.