Global Parts 1811788 Ignition Knock (Detonation) Sensor

Reliable Ignition Knock Sensor for Saab and Subaru Vehicles

The Global Parts 1811788 Ignition Knock (Detonation) Sensor is designed to provide accurate engine knock detection for select Saab and Subaru models. This sensor helps maintain optimal engine performance by monitoring detonation and sending precise signals to the engine control unit.

• Wiring harness length of 4.25 inches for easy installation
• Single female oblong connector with one terminal for secure connection
• Blade-type terminal ensuring reliable electrical contact
• Wiring harness included for a complete sensor setup
• Mounting hardware not included, allowing use of existing components

Detailed Product Description

The Global Parts 1811788 ignition knock sensor is engineered to detect engine detonation by sensing vibrations caused by knocking. It features a 4.25-inch wiring harness that provides sufficient length for installation in engine compartments of Saab 9-2X and Subaru models including Baja, Forester, Impreza, Legacy, and Outback. The sensor includes a single female oblong connector with one blade terminal, designed to ensure a secure and stable electrical connection. While mounting hardware is not included, this sensor is compatible with the original mounting points on the specified vehicles. The included wiring harness simplifies the replacement process, reducing installation time and effort.

Compatible Vehicles and Common Applications

This ignition knock sensor is compatible with the following makes and models:

• Saab 9-2X
• Subaru Baja
• Subaru Forester
• Subaru Impreza
• Subaru Legacy
• Subaru Outback

It is commonly used to address issues such as:

• Engine knocking or pinging noises
• Reduced engine performance or power loss
• Check engine light triggered by knock sensor faults
• Poor fuel economy due to incorrect ignition timing
• Engine misfires related to detonation detection failure

Installation Notes and Tips

When installing the Global Parts 1811788 ignition knock sensor, ensure the wiring harness is routed away from high-heat areas to prevent damage. Use the original mounting hardware or compatible fasteners to secure the sensor firmly in place. Verify the connector is fully seated and locked to avoid intermittent electrical issues. It is recommended to clear any diagnostic trouble codes after installation and perform a test drive to confirm proper sensor operation.

Quality Assurance and Warranty

Global Parts manufactures this ignition knock sensor to meet or exceed OEM specifications for fit and function. The part number 1811788 undergoes quality control testing to ensure reliable performance in Saab and Subaru vehicles. While mounting hardware is not included, the sensor is backed by Global Parts' standard warranty coverage, providing assurance of durability and operational integrity.