Get warm air moving again with the Agility Autoparts HVAC Heater Core 9010577 — a direct-fit Audi A4 heater core that drops into the 2002-2010 Audi A4, 2002-2012 Audi A4 Quattro, 2007-2008 Audi RS4, and 2004-2009 Audi S4. It circulates hot engine coolant through its core so the blower can push warmed air into the cabin.
Signs the original A4 heater core may need replacing include weak or no cabin heat, a sweet coolant smell inside, fogged windows, or coolant seepage under the dash. Diagnose the cause before replacing. Country of origin: China.
Interchange: 18-12395
1812395 · 8E1820031 · 8066 · 98723 · 92003 · 99373
This part cross-references / interchanges with the following part numbers:
What vehicles does this Audi A4 heater core fit?
It's a direct-fit replacement for the 2002-2010 Audi A4, 2002-2012 Audi A4 Quattro, 2007-2008 Audi RS4, and 2004-2009 Audi S4 (all engines). See the Buyer's Guide tab to confirm your vehicle.
What is the heater core made of?
The core and tanks are aluminum, built with fin-and-tube technology for thermal performance and corrosion resistance.
What type of connections does it use?
It has O-ring inlet and outlet connections.
Is this heater core leak tested?
Yes. It is 100% leak tested and engineered under ISO TS16949 quality systems to meet or exceed OE specifications.
What does a heater core do and how do I know mine failed?
It transfers heat from engine coolant to the air sent into the cabin. Weak heat, a sweet smell, fogged windows, or coolant under the dash may signal a bad core; diagnose the cause first.
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.
