Agility Autoparts 9010925 HVAC Heater Core

Brand Agility Autoparts 9010925
Core Material Aluminum
Outlet Pipe Diameter 0.6875
Inlet Pipe Diameter 0.6875
Construction Expanded tube
Core Depth (in) 1.000
Core Height (in) 7.375
Core Width (in) 6.000
Product line Heater Core
Fits Chevrolet, GMC, and Isuzu · 81 vehicles

Aluminum core. Promotes efficient heat transfer in HVAC heater applications.

Expanded-tube design. Supports steady coolant flow through the heat exchanger.

Direct-fit sizing. Listed dimensions and pipe diameters help confirm replacement fit.

Cross-references Dorman - HELP 99447, 1835620780 and 1835620781 for the same application. See all 4.

$90.01Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $90.01
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Free returns within 60 days if it doesn't fit when fitment is verified.

Heater Core Overview

Agility Autoparts heater core 9010925 is an aluminum HVAC core built for heavy-duty truck heating systems. It is shaped with expanded-tube construction and sized for direct replacement in supported applications, including Chevrolet, GMC, and Isuzu medium-duty models.

Key Features

  • Aluminum core material for efficient heat transfer.
  • Expanded-tube construction for consistent coolant flow through the core.
  • Compact dimensions: 7.375 in. height, 6.000 in. width, and 1.000 in. depth.
  • 0.6875 in. inlet and outlet pipe diameters for matched hose connection sizing.
  • Fits a wide range of Chevrolet T6500, T7500, and T8500, GMC T6500 and T7500, and Isuzu FXR, FTR, FRR, and FSR applications.

Detailed Description

This heater core is designed for HVAC systems that need reliable cabin heat and stable coolant-to-air transfer. The aluminum construction and expanded-tube design support efficient thermal exchange, while the listed dimensions and pipe sizes help confirm fitment before installation. Part number 9010925 is used across multiple medium-duty platforms, including Chevrolet T6500, Chevrolet T7500, GMC T7500, and Isuzu FTR applications.

Agility Autoparts serves the aftermarket wholesale market with distribution in Canada and the United States, which supports efficient parts availability for commercial repair operations. This part cross-references Dorman - HELP 99447 for the same application.

What It Is Used For

  • Restoring weak or uneven cabin heat.
  • Replacing a leaking heater core that can cause coolant loss.
  • Addressing restricted coolant flow through the HVAC heat exchanger.
  • Correcting poor defrost performance caused by insufficient heater output.
  • Replacing a corroded or damaged core in medium-duty truck HVAC systems.

Installation Notes and Tips

Verify inlet and outlet pipe diameter, core height, width, and depth against the original unit before installation. Confirm vehicle application by year, make, and model, since this part number 9010925 is used across multiple Chevrolet, GMC, and Isuzu platforms. Flush the cooling system and inspect hoses and seals during replacement to help prevent repeat contamination or leaks.

Quality Assurance

Agility Autoparts is a North American-based aftermarket supplier with warehouse distribution in both Canada and the United States, supporting timely fulfillment for wholesale repair needs.

This part fits 81 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2010IsuzuFXR7.8LL6Heater Core
2009ChevroletT65007.8LL6Heater Core
2009ChevroletT75007.8LL6Heater Core
2009ChevroletT85007.8LL6Heater Core
2009GMCT75007.8LL6Heater Core
2009IsuzuFTR7.8LL6Heater Core
2009IsuzuFXR7.8LL6Heater Core
2008ChevroletT65007.8LL6Heater Core
2008ChevroletT75007.8LL6Heater Core
2008ChevroletT85007.8LL6Heater Core
2008GMCT75007.8LL6Heater Core
2008IsuzuFTR7.8LL6Heater Core
2008IsuzuFXR7.8LL6Heater Core
2007ChevroletT65007.8LL6Heater Core
2007ChevroletT75007.8LL6Heater Core
2007ChevroletT85007.8LL6Heater Core
2007GMCT75007.8LL6Heater Core
2007IsuzuFTR7.8LL6Heater Core
2007IsuzuFXR7.8LL6Heater Core
2006ChevroletT65007.8LL6Heater Core
2006ChevroletT75007.8LL6Heater Core
2006ChevroletT85007.8LL6Heater Core
2006GMCT75007.8LL6Heater Core
2006IsuzuFTR7.8LL6Heater Core
2006IsuzuFXR7.8LL6Heater Core
2005ChevroletT65007.8LL6Heater Core
2005ChevroletT75007.8LL6Heater Core
2005ChevroletT85007.8LL6Heater Core
2005GMCT75007.8LL6Heater Core
2005IsuzuFTR7.8LL6Heater Core
2005IsuzuFXR7.8LL6Heater Core
2004ChevroletT65007.8LL6Heater Core
2004ChevroletT75007.8LL6Heater Core
2004ChevroletT85007.8LL6Heater Core
2004GMCT75007.8LL6Heater Core
2004IsuzuFRR7.8LL6Heater Core
2004IsuzuFTR7.8LL6Heater Core
2004IsuzuFXR7.8LL6Heater Core
2003IsuzuFRR7.8LL6Heater Core
2003IsuzuFTR7.8LL6Heater Core
2002ChevroletT65007.2LL6Heater Core
2002ChevroletT75007.2LL6Heater Core
2002GMCT65007.2LL6Heater Core
2002GMCT75007.8LL6Heater Core
2002IsuzuFRR7.8LL6Heater Core
2002IsuzuFSR7.8LL6Heater Core
2002IsuzuFTR7.8LL6Heater Core
2001ChevroletT65007.2LL6Heater Core
2001ChevroletT75007.2LL6Heater Core
2001GMCT65007.2LL6Heater Core
2001GMCT75007.8LL6Heater Core
2001IsuzuFRR7.8LL6Heater Core
2001IsuzuFSR7.8LL6Heater Core
2001IsuzuFTR7.8LL6Heater Core
2000ChevroletT65007.8LL6Heater Core
2000ChevroletT75007.2LL6Heater Core
2000GMCT65007.2LL6Heater Core
2000GMCT75007.2LL6Heater Core
2000IsuzuFRR7.8LL6Heater Core
2000IsuzuFSR7.8LL6Heater Core
2000IsuzuFTR7.8LL6Heater Core
1999ChevroletT65007.2LL6Heater Core
1999ChevroletT75007.2LL6Heater Core
1999GMCT65007.8LL6Heater Core
1999GMCT75007.2LL6Heater Core
1999IsuzuFSR7.8LL6Heater Core
1999IsuzuFTR7.8LL6Heater Core
1998ChevroletT65006.6LL6Heater Core
1998ChevroletT75007.2LL6Heater Core
1998GMCT65006.0LV8Heater Core
1998GMCT75006.6LL6Heater Core
1998IsuzuFRR7.1LL6Heater Core
1998IsuzuFSR7.8LL6Heater Core
1998IsuzuFTR7.1LL6Heater Core
1997ChevroletT65006.0LV8Heater Core
1997ChevroletT75006.6LL6Heater Core
1997GMCT65006.6LL6Heater Core
1997GMCT75006.6LL6Heater Core
1997IsuzuFRR7.1LL6Heater Core
1997IsuzuFSR7.1LL6Heater Core
1997IsuzuFTR7.1LL6Heater Core
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dorman - HELP — 99447183562078018356207818982384750