Global Parts 1811852 Ignition Knock (Detonation) Sensor

Overview of Global Parts Ignition Knock Sensor 1811852

The Global Parts Ignition Knock (Detonation) Sensor 1811852 is designed for precise detection of engine knock in select Audi and Volkswagen models. This sensor helps maintain optimal engine performance by monitoring detonation and sending accurate signals to the engine control unit.

• Compatible with Audi A4, A4 Quattro, and Volkswagen Passat
• Wiring harness length of 26 inches included for flexible installation
• Blade terminal type with 3 terminals for reliable electrical connection
• Single female oblong connector for secure fitment
• Mounting hardware not included

Technical Details and Features

The ignition knock sensor 1811852 from Global Parts features a 26-inch wiring harness that facilitates easy routing within the engine bay. It includes a single female oblong connector with three blade terminals, ensuring a stable and consistent electrical connection. The sensor is engineered to detect engine detonation accurately, allowing the vehicle’s ECU to adjust ignition timing accordingly. While mounting hardware is not included, the sensor’s design matches OEM specifications for direct replacement in compatible Audi and Volkswagen models.

Compatible Vehicles and Applications

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

• Audi A4
• Audi A4 Quattro
• Volkswagen Passat

It is intended for use in emission control systems to monitor and reduce engine knock, contributing to smoother engine operation and improved fuel efficiency.

Common Issues Addressed by the Knock Sensor

• Engine knocking or pinging under acceleration
• Reduced engine performance due to improper ignition timing
• Check engine light triggered by detonation sensor faults
• Increased fuel consumption caused by inefficient combustion
• Potential engine damage from prolonged knocking

Installation Notes and Tips

When installing the Global Parts 1811852 knock sensor, ensure the wiring harness is routed away from high-heat areas to prevent damage. Verify the connector is fully seated and the blade terminals are clean for optimal electrical contact. 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 standards for fit and function. The product undergoes quality control testing to ensure reliable performance in emission control applications. Warranty coverage details should be confirmed at the point of purchase, as they may vary by distributor.