Genuine OEM Audi Glow Plug Wiring Harness, part number 038971782B. This critical electrical component provides the necessary connections for the engine's glow plugs, ensuring proper pre-heating for cold starts. It is typically located on the engine, connecting directly to the glow plugs. Weighing 0.226 kg, this harness is designed for precise fitment and reliable electrical conductivity. Using a genuine OEM wiring harness ensures correct pin configurations, insulation integrity, and resistance to engine bay conditions, which are vital for preventing electrical faults and ensuring consistent glow plug operation.