Agility Autoparts HVAC Heater Core P/N:9010478
Keep warm air moving to the cabin and defrost vents with the Agility Auto Parts HVAC Heater Core (P/N 9010079) — a front heater core that circulates hot engine coolant through its tubes while the blower pushes air across the fins to warm the interior. It drops in as a direct-fit replacement for many vehicles, among them the 1973-1974 and 1987-1991 Chevrolet Blazer, the 1975-1986 Chevrolet C10 and the 1975-1986 Chevrolet K5 Blazer — see the Buyer's Guide tab for the full application list.
If a leaking or clogged heater core is the cause of weak heat, fogged windows or a sweet coolant smell, this unit replaces it. Made in China.
Interchange: 18-11693
1811693 · 60014 · 9077 · 96057 · 3027265 · 98552 · 98552A · 399077 · 94552 · 90770
This part cross-references / interchanges with the following part numbers:
Will this work as a Blazer heater core for my 1987-1991 Chevrolet Blazer?
Yes. It's listed for the 1973-1974 and 1987-1991 Chevrolet Blazer, along with many other GM trucks and SUVs. Check the Buyer's Guide tab to confirm your exact year and model.
What is this heater core made of?
It uses an aluminum core with aluminum tanks, built with fin-and-tube technology for thermal performance and corrosion resistance.
What are the core dimensions?
The core measures 2.000 in deep, 6.625 in high and 7.250 in wide, with a 0.625 in inlet pipe and a 0.750 in outlet pipe.
What are signs my heater core may need replacing?
Common signs include weak or no cabin heat, fogged-up windows, a sweet coolant smell inside, or unexplained coolant loss. Diagnose the cause before replacing.
Is this heater core leak tested?
Yes. Every unit is 100% leak tested and certified as meeting or exceeding OE specifications, and it's fitment-checked in the actual HVAC module for a drop-in fit.
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.