Global Parts 1811874 Ignition Knock (Detonation) Sensor

Overview of Global Parts Ignition Knock Sensor 1811874

The Global Parts Ignition Knock (Detonation) Sensor 1811874 is designed specifically for Volvo S40 and V40 models. This sensor plays a critical role in detecting engine knock and ensuring optimal ignition timing for improved engine performance and longevity.

• Compatible with Volvo S40 and V40 vehicles
• Wiring harness length of 42 inches for flexible installation
• Blade terminal type with 3 terminals for reliable electrical connection
• Single rectangular female connector for secure fitment
• Wiring harness included for ease of replacement
• Mounting hardware not included

Detailed Product Description

The Global Parts ignition knock sensor 1811874 is engineered to detect engine detonation or knocking, which can negatively impact engine efficiency and cause damage over time. Featuring a 42-inch wiring harness, this sensor allows for convenient routing within the engine bay of Volvo S40 and V40 models. The sensor includes a single rectangular female connector with three blade terminals, ensuring a stable and precise electrical connection. While mounting hardware is not included, the sensor is designed to fit directly into the designated mounting point on compatible Volvo vehicles.

Function and Common Applications

• Detects engine knock or detonation to optimize ignition timing
• Helps prevent engine damage caused by pre-ignition or knocking
• Improves fuel efficiency by enabling precise engine control
• Supports engine performance monitoring systems in Volvo S40 and V40
• Replaces faulty or worn ignition knock sensors to restore engine function

Installation Notes and Tips

When installing the Global Parts ignition knock sensor 1811874, ensure the wiring harness is routed away from high-heat areas to prevent damage. Verify the connector securely mates with the vehicle’s wiring harness to avoid electrical issues. Since mounting hardware is not included, reuse the original hardware or source compatible fasteners. It is recommended to disconnect the battery before installation to prevent electrical shorts.

Quality Assurance and Warranty

Global Parts provides this ignition knock sensor with quality standards that meet OEM specifications for Volvo S40 and V40 models. The part number 1811874 undergoes rigorous testing to ensure reliable performance and durability. Warranty coverage details should be confirmed at the point of purchase, as they may vary.