Heater Core - 1AHCC00017

This part replaces:

  • OE # 52473178
  • HOLLANDER 676-00491

  • New

This new replacement heater core is just what you need to get your vehicle in good running form again!


  • Aluminum construction
  • Core measurements: 8 1/4 x 7 1/8 x 1 3/8 inches
  • 3/4 inch inlet tube
  • 5/8 inch outlet tube
  • Direct replacement
  • Replaces dealer part number: 52473178
  • Built to strict quality control standards

If your heater is not producing heat, or you can smell coolant inside your vehicle, or you see coolant leaking inside your vehicle it is time to replace your heater core.

If the coolant in your vehicle has not been properly maintained it can corrode and or block the coolant tubes inside your heater core. Once the heater core is blocked or leaking the only effective repair is to replace the heater core.

Left Hand Drive Note:

“All of our auto parts are intended for Left Hand Drive USDM vehicles and might not have been tested on Right Hand Drive platforms. If your vehicle is Right Hand Drive, please do your research prior to making a purchase to ensure the part is correct for your specific vehicle.”

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser. Please keep your invoice for proof of this warranty.

Vehicle Fit

  • 1998-2005 Chevy Blazer S10 Heater Core
  • 1998-2004 Chevy S10 Pickup Heater Core
  • 1998-2000 GMC Envoy Heater Core
  • 1998-2001 GMC Jimmy S-15 Heater Core
  • 1998-2004 GMC S-15 Sonoma Heater Core
  • 1998-2000 Isuzu Hombre Heater Core
  • 1998-2001 Olds Bravada Heater Core
Save 47%
List: $143.27 Save: $67.82
Only 3 left in stock
Part #: 1AHCC00017

Ships Same Day for orders placed by 5 P.M. ET


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