Keep warm air flowing to the cab with the Agility Autoparts HVAC Heater Core 9010728, a direct-fit replacement for the listed applications. It fits many vehicles, among them the 1995-2007 Chevrolet W3500 Tiltmaster, 1995-2007 Chevrolet W4500 Tiltmaster and 1995-2007 GMC W3500 Forward; see the Buyer's Guide tab for the full list. The heater core is the small radiator inside the HVAC module: engine coolant circulates through its tubes while the blower pushes cabin air across the fins, transferring heat to warm the interior and assist defrost.
Country of origin: China. Signs the original core may need replacing include a sweet coolant smell in the cab, fogged windows, weak or no heat, or coolant on the cab floor.
Interchange: 18-12045
1812045 · 8971016370 · 8971747350 · 8972409410 · 8972512910 · 8982385040 · 97240941 · 92387 · 99440
This part cross-references / interchanges with the following part numbers:
What vehicles does this heater core fit?
It fits many vehicles, among them the 1995-2007 Chevrolet W3500 Tiltmaster, 1995-2007 Chevrolet W4500 Tiltmaster and 1995-2007 GMC W3500 Forward. See the Buyer's Guide tab to confirm your vehicle.
What is the heater core made of?
The core is aluminum with expanded-tube construction and plastic tanks, using a fin-and-tube design for thermal performance and corrosion resistance.
What are the core dimensions?
The core measures 6.125 in high by 6.3125 in wide by 1.625 in deep, with 0.625 in inlet and outlet pipe diameters.
How do I know my heater core has failed?
Common signs include a sweet coolant odor in the cab, foggy windows, weak or no heat, or coolant on the cab floor. Diagnose the cause before replacing.
Is this a direct-fit part?
Yes. It is certified to meet or exceed OE specifications and is fitment-checked in the vehicle's actual HVAC heater module for a drop-in install on the listed applications.
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.
