Genuine OEM Audi Engine Coolant Pipe, part number 4K0145931C. This essential component is responsible for transporting coolant throughout the engine system, playing a critical role in maintaining optimal engine operating temperatures. Crafted from durable metal, this pipe weighs 0.086 kg and measures 0.2m x 0.15m x 0.05m. Opting for a genuine OEM coolant pipe ensures precise routing geometry, correct material composition for resistance to heat and corrosion, and a leak-free connection for reliable engine cooling.