Global Parts 1811777 Ignition Knock (Detonation) Sensor

Overview of Global Parts Ignition Knock Sensor 1811777

The Global Parts Ignition Knock (Detonation) Sensor 1811777 is designed specifically for Subaru Impreza and Legacy models. This sensor plays a critical role in detecting engine knock and ensuring optimal ignition timing for efficient engine performance.

• Wiring harness length: 4.5 inches for precise fitment
• Single blade terminal for reliable electrical connection
• Includes wiring harness with a female round connector
• One connector and one terminal for streamlined installation
• Mounting hardware not included

Detailed Product Description

This ignition knock sensor from Global Parts features a 4.5-inch wiring harness, providing adequate length for easy routing within the engine bay of Subaru Impreza and Legacy vehicles. The sensor uses a single blade terminal type, which ensures a secure and stable electrical connection. The included wiring harness comes with one female round connector, designed to match the factory wiring harness for a direct replacement. While mounting hardware is not included, the sensor is engineered to fit seamlessly into the designated mounting location on compatible Subaru models.

Compatible Vehicles and Applications

This ignition knock sensor is compatible with the following Subaru vehicles:

• Subaru Impreza
• Subaru Legacy

Part number 1811777 is intended for use in emission control systems to detect engine detonation and relay signals to the engine control unit (ECU) for ignition timing adjustments.

Common Issues Addressed by This Sensor

• Engine knocking or pinging during acceleration
• Reduced fuel efficiency due to improper ignition timing
• Check engine light triggered by knock sensor fault codes
• Engine performance irregularities related to detonation detection
• Potential engine damage from undetected knocking

Installation Notes and Tips

When installing the Global Parts ignition knock sensor 1811777, ensure the wiring harness is routed away from high-heat areas to prevent damage. Verify the connector is fully seated and locked to avoid intermittent electrical issues. Since mounting hardware is not included, reuse the original hardware or source compatible fasteners. Proper torque specifications should be followed to avoid sensor damage or improper function.

Quality Assurance and Warranty

Global Parts manufactures this ignition knock sensor to meet OEM specifications for Subaru Impreza and Legacy models. The part number 1811777 undergoes quality control testing to ensure reliable performance in emission control applications. Warranty coverage details should be confirmed with the distributor or retailer at the time of purchase.