Agility Autoparts HVAC Heater Core P/N:9010478
Help restore cabin heat with the Agility Auto Parts HVAC Heater Core, P/N 9010488, a direct-fit replacement heater core for the listed applications. It fits many vehicles, among them the 1999-2005 Audi A6, 1999-2005 Audi A6 Quattro and 2001-2005 Audi Allroad Quattro. The heater core is the small radiator inside the HVAC module: hot engine coolant flows through its tubes and fins while the blower pushes cabin air across them to warm the interior. See the Buyer's Guide tab for the full vehicle list and the engine-level fitment on your vehicle.
If a leaking or clogged original heater core is the cause of weak heat, a sweet coolant odor, or foggy windows, this unit replaces it.
Interchange: 18-11784
1811784 · 4B1819031C · 99127 · 92001 · 99001
This part cross-references / interchanges with the following part numbers:
Is this the right Audi A6 heater core for a 1999-2005 Audi A6?
Yes. It is listed for the 1999-2005 Audi A6, 1999-2005 Audi A6 Quattro and 2001-2005 Audi Allroad Quattro. See the Buyer's Guide tab for other vehicles and engine details.
What does a heater core do?
It is a small radiator inside the HVAC module. Hot engine coolant flows through its tubes and fins while the blower moves cabin air across them to warm the interior.
What are signs my heater core may need replacing?
Weak or no heat, a sweet coolant smell inside, fogging on the windows, or coolant on the passenger floor can indicate a leaking or clogged heater core. Diagnose the cause before replacing.
Is this a direct-fit replacement?
Yes. It is certified to meet or exceed OE specifications and is fitment-checked in the actual vehicle's HVAC heater module for a drop-in fit on the listed applications.
Is the heater core leak tested?
Yes. Agility heater cores are engineered and manufactured under ISO TS16949 quality systems and are 100% leak tested.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.