Genuine OEM Volkswagen Engine Wiring Harness, part number 04L971604H. This is the main wiring set that connects various engine components and sensors to the vehicle's electrical system. It is located within the engine bay, routing power and data signals. This wiring harness is constructed with high-quality materials to ensure reliable electrical conductivity and durability under engine operating conditions. Genuine OEM parts are essential for maintaining the precise electrical integrity and functionality of your vehicle's engine management system.