Global Parts 1811803 Ignition Knock (Detonation) Sensor

Overview of Global Parts Ignition Knock Sensor for Mazda Protege

The Global Parts Ignition Knock (Detonation) Sensor, part number 1811803, is designed specifically for Mazda Protege models. This sensor plays a critical role in detecting engine knock and ensuring optimal ignition timing for efficient engine performance.

• Wiring harness length: 13 inches for flexible installation
• Blade terminal type with 2 terminals for reliable electrical connection
• Includes wiring harness for direct replacement
• Single rectangular male connector for secure fitment
• Mounting hardware not included

Detailed Product Description

The Global Parts 1811803 ignition knock sensor is engineered to monitor engine detonation by detecting vibrations caused by knocking. It features a 13-inch wiring harness that provides sufficient length for easy routing within the engine bay of Mazda Protege vehicles. The sensor uses a blade terminal type with two terminals, ensuring a stable and consistent electrical connection. Its single rectangular male connector is designed to match the factory wiring harness, facilitating a straightforward plug-and-play installation. While mounting hardware is not included, the sensor is compatible with existing mounting points on the Mazda Protege.

Function and Common Applications

• Detects engine knock to prevent damage and maintain performance
• Helps optimize ignition timing for fuel efficiency
• Reduces engine noise caused by detonation
• Prevents potential engine damage from uncontrolled knocking
• Supports emission control by maintaining proper combustion

Installation Notes and Tips

When installing the Global Parts 1811803 ignition knock sensor on a Mazda Protege, 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 signals. Since mounting hardware is not included, reuse the original bolts or hardware from the previous sensor. It is recommended to disconnect the battery before installation to prevent electrical shorts.

Quality Assurance and Warranty

Global Parts maintains strict quality control standards for their emission control sensors, including the 1811803 ignition knock sensor. This part is manufactured to meet or exceed OEM specifications for fit, form, and function. While specific warranty details may vary, Global Parts typically offers a limited warranty covering defects in materials and workmanship to ensure reliability and customer confidence.