Volkswagen Lower Radiator Coolant Hose / Line 5Q0122051BF

This OEM lower radiator coolant hose, part number 5Q0122051BF, is a critical component for maintaining optimal engine performance in several Audi and Volkswagen models. Designed to fit the lower section of the radiator, this hose connects the engine cooling system to the radiator, allowing coolant to flow effectively, which prevents overheating. It is compatible with the 2016-2020 Audi A3 (various trims), Audi S3, and several Volkswagen models such as the GTI and Golf variants, specifically for 1.8L and 2.0L L4 gasoline engines. Replacing a worn or damaged coolant hose is essential to avoid coolant leaks and potential engine overheating. This factory-original part, also referred to as the lower front hose or water line, ensures reliability and durability, making it an ideal choice for maintaining your vehicle's cooling system health. Additional compatible part numbers include 5Q0121251HA and 5Q0122157AK, ensuring that you can easily find a replacement that fits your needs. This authentic part, sourced from salvage vehicles, guarantees that you are investing in a genuine manufacturer product that will restore your vehicle's functionality and dependability.