Introducing the top-quality AUDI Heater Core A3 S3 8D1819030A manufactured by Jingyigroup. This is an OEM replacement heater core for your AUDI A3 S3, providing the same fit and function as the original part. Jingyigroup has been a leading manufacturer of automotive heating and cooling components since 1988, ensuring that this heating core is built to the highest standards of quality and reliability. Whether you're experiencing a leak or a lack of heat from your vehicle's heater, this heater core is the perfect solution to keep your AUDI A3 S3 running smoothly and comfortably. Trust Jingyigroup for all your heating and cooling needs.