Global Parts 1811809 Ignition Knock (Detonation) Sensor

Overview of Global Parts Ignition Knock Sensor 1811809

The Global Parts Ignition Knock (Detonation) Sensor 1811809 is designed for precise detection of engine knock in Subaru vehicles. Compatible with Subaru Forester, Impreza, Legacy, and Outback models, this sensor helps maintain optimal engine performance by monitoring detonation events.

• Wiring harness length: 4.38 inches for flexible installation
• Blade terminal type with 2 terminals for reliable electrical connection
• Includes wiring harness with a single female rectangular connector
• Mounting hardware not included, allowing use of existing fasteners
• Compatible with Subaru Forester, Impreza, Legacy, and Outback models

Detailed Product Description

The Global Parts 1811809 ignition knock sensor features a 4.38-inch wiring harness that provides sufficient length for straightforward routing within the engine bay. The sensor uses a blade terminal type with two terminals, ensuring a secure and stable electrical connection. It comes with a single female rectangular connector, designed to interface directly with the vehicle’s wiring harness. While mounting hardware is not included, this allows technicians to reuse existing fasteners or select hardware appropriate for their specific installation needs. This sensor is engineered to detect engine knock or detonation, enabling the engine control unit to adjust ignition timing and prevent potential engine damage.

Applications and Common Issues Addressed

• Detects engine knock to prevent detonation damage
• Helps maintain engine performance and fuel efficiency
• Prevents check engine light triggers related to knock sensor faults
• Reduces risk of engine misfire caused by improper ignition timing
• Supports emission control by ensuring proper combustion

Installation Notes and Tips

• Verify compatibility with Subaru Forester, Impreza, Legacy, and Outback models before installation
• Use existing mounting hardware or appropriate fasteners as mounting hardware is not included
• Ensure the wiring harness is routed away from high-heat areas to prevent damage
• Confirm secure connection of the female rectangular connector to avoid signal loss
• Follow vehicle manufacturer torque specifications when securing the sensor

Quality Assurance and Warranty

Global Parts provides this ignition knock sensor with quality standards that meet OEM specifications. The part number 1811809 undergoes testing to ensure reliable performance in Subaru vehicles. While specific warranty details may vary, Global Parts typically offers limited warranty coverage against defects in materials and workmanship. Always consult product documentation or contact the distributor for exact warranty terms.