Global Parts 1811815 Ignition Knock (Detonation) Sensor

Overview of Global Parts Ignition Knock Sensor 1811815

The Global Parts Ignition Knock (Detonation) Sensor 1811815 is designed for precise detection of engine knock in select Saab and Subaru models. This sensor helps maintain optimal engine performance by monitoring detonation and sending accurate signals to the engine control unit.

• Compatible with Saab 9-2X and Subaru models including Baja, Forester, Impreza, Legacy, and Outback
• Wiring harness length of 4.5 inches for flexible installation
• Single rectangular female connector with one blade terminal
• Includes wiring harness but does not include mounting hardware
• Designed for emission control sensor applications

Detailed Product Description

The Global Parts 1811815 ignition knock sensor features a 4.5-inch wiring harness that facilitates straightforward connection within the engine bay. It uses a single rectangular female connector with one blade terminal, ensuring compatibility with the factory wiring harnesses on Saab 9-2X and Subaru vehicles such as the Forester and Legacy. While mounting hardware is not included, the sensor is engineered for direct replacement and integration with existing mounting points. This sensor plays a critical role in emission control by detecting engine knock or detonation and relaying this information to the vehicle’s engine control module to adjust ignition timing accordingly.

Common Applications and Issues Addressed

• Detects engine knocking or pinging to prevent engine damage
• Helps maintain proper ignition timing for fuel efficiency
• Reduces harmful emissions by optimizing combustion
• Prevents engine misfires related to detonation
• Supports engine performance stability in Saab 9-2X and Subaru models

Installation Notes and Tips

When installing the Global Parts 1811815 ignition knock sensor, ensure the wiring harness is routed away from high-heat areas to prevent damage. Since mounting hardware is not included, reuse the original hardware or source compatible fasteners. Verify the connector securely mates with the vehicle’s wiring harness to avoid signal interruptions. Proper torque on the sensor mounting point is essential to ensure accurate knock detection.

Quality Assurance and Warranty

Global Parts manufactures this ignition knock sensor to meet OEM specifications for fit and function. The part number 1811815 undergoes quality checks to ensure reliable performance in emission control systems. While specific warranty details are not provided, Global Parts typically offers coverage against manufacturing defects. Confirm warranty terms with the distributor or installer prior to purchase.