Agility Autoparts HVAC Heater Core P/N:9010171
Keep warm air flowing to the cabin with the Agility Auto Parts HVAC Heater Core 9010639, a direct-fit Cadillac SRX heater core that drops into the 2003-2007 Cadillac CTS [All] and the 2004-2009 Cadillac SRX [All]. The heater core routes engine coolant through a finned core so blower air picks up heat for the dash vents and defrost — when it leaks or clogs you get weak heat, fogged glass, a sweet coolant smell, or coolant on the floor.
Country of origin: China. Sold individually; one heater core per application.
Interchange: 18-12434
1812434 · 25740392 · 92015 · 98062
This part cross-references / interchanges with the following part numbers:
Will this fit my Cadillac CTS or SRX?
Yes. It is a direct-fit replacement for the 2003-2007 Cadillac CTS [All] and the 2004-2009 Cadillac SRX [All]. Check the Buyer's Guide tab to confirm your vehicle.
What does a heater core do?
It passes engine coolant through a finned aluminum core so the blower air absorbs heat, feeding the dash vents and defrost.
What are the signs my heater core needs replacing?
Common signs include weak or no heat, fogged windows, a sweet coolant smell in the cabin, or coolant pooling on the passenger floor.
What is this heater core made of?
It uses an all-aluminum design — aluminum core, tank, and construction — for thermal performance and corrosion resistance.
Is it tested and ready to install?
Yes. It is built under ISO TS16949 quality systems, 100% leak tested, and fitment checked in the vehicle's HVAC module for a drop-in install.
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.