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GM 89018297
Heater Core

1999-2014 GM

Customer Questions & Expert Answers (23)
GM 89018297 Heater Core
GM 89018297 Heater Core
GM 89018297 Heater Core
GM 89018297 Heater Core
GM 89018297 Heater Core
  • Part Description
    Core, Heater Core; HVAC Heater Core
  • Replaces
    52473326, 52473322
  • Manufacturer
    General Motors
Make sure this part fits
$155.32 MSRP: $319.18
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  • 89018297 Heater Core is Ref No. 9 in the diagram below

    2003 GMC Sierra 1500 HD Heater Core Diagram for 89018297
    The diagram listed above is for your reference. View diagram for your vehicle

    Related Parts for 89018297

  • Vehicle Fitment

    Year Make Model Trim Engine
    2002-2014 Cadillac EscaladeBase, Hybrid, Hybrid Platinum, Luxury, Platinum, Premium8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
    2003-2014 Cadillac Escalade ESVBase, Luxury, Platinum, Premium8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
    2002-2013 Cadillac Escalade EXTBase, Luxury, Premium8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
    2007-2013 Chevrolet AvalancheBlack Diamond LS, Black Diamond LT, Black Diamond LTZ, LS, LT, LTZ8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
    2002-2006 Chevrolet Avalanche 1500Base, LS, LT, North Face, On Road Edition, WBH, Z66, Z718 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
    2002-2006 Chevrolet Avalanche 2500Base, LS, LT8 Cyl 8.1 L GAS
    1999-2013 Chevrolet Silverado 1500Base, Hybrid, LS, LT, LTZ, SS, WT, XFE, Z71 Off-Road6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX
    2007 Chevrolet Silverado 1500 ClassicHybrid, LS, LT, SS, WT6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
    2005-2006, 2001-2003 Chevrolet Silverado 1500 HDBase, LS, LT8 Cyl 6.0 L GAS
    2007 Chevrolet Silverado 1500 HD ClassicLT8 Cyl 6.0 L GAS
    View More
    Warning: California's Proposition 65

  • Customer Questions & Expert Answers

    Q:
    Is 89018297 compatible with my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 89018297 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to service the heater core on Chevrolet Avalanche 2500? Posted by Customer
    A:
    The service of heater core begins with removing the heater/vent assembly. Begin by removing the heater core cover screws before taking out the heater core and heater core cover one after another. Install the new heater core by setting it into correct position before putting back the heater core cover. When installing the heater core cover screws users must follow the Fastener Notice in Service Precautions before securing them to 1.6 Nm (14 lb in). Finally, reinstall the heater/vent module.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the auxiliary heater core on Chevrolet Suburban 2500? Posted by Customer
    A:
    The replacement process for the auxiliary heater core begins with removing the auxiliary HVAC module and then removing the air temperature actuator from the module. The stud found underneath the auxiliary HVAC module between heater core pipes should be taken out so technicians can separate the gasket and remove the heater core pipe retainer. Start by extracting the auxiliary HVAC module lower cover and subsequently remove the heater core clamp before taking out the heater core from the module. You should start by inserting the heater core into the auxiliary HVAC module before tightening it with the heater core clamp during installation. Install the heater core pipe retainer followed by its gasket before you can attach the auxiliary HVAC module lower cover. Reinstall the stud which connects the heater core inlet to outlet at the underpart of the rear HVAC module. Follow this step by fixing the air temperature actuator onto the auxiliary HVAC module.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the heater core in the auxiliary HVAC module on Chevrolet Tahoe? Posted by Customer
    A:
    The replacement of the heater core inside the auxiliary HVAC module requires the module to be extracted first then the air temperature actuator and heater core cover should be removed. Start heater core removal by taking it out from the auxiliary HVAC module. Begin heater core installation by placing the new component into the auxiliary HVAC module and then return the heater core cover and the air temperature actuator to attach onto the module. The installation of the vehicle's auxiliary HVAC module assembly requires its return it back into the vehicle after all other steps are completed.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the Heater Core (Heat Only) on Chevrolet Silverado 2500? Posted by Customer
    A:
    The heater core replacement (HEAT ONLY) starts with uninstalling the heater/vent module then proceeding to remove heater core cover screws before uninstalling the heater core cover. Follow the fastening guidance in Service Precautions when you install the new heater core because the next step is to put on the heater core cover followed by the replacement of the heater core. Reinstall the heater/vent module after tightening the heater core cover screws to 1.6 N.m (14 lb in).
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the Heater Core (Visteon) on GMC Sierra 1500? Posted by Customer
    A:
    The replacement process of Visteon heater cores starts with the HVAC module assembly removal. The first step involves removing the screws holding the heater core cover before extracting the heater core cover out of the HVAC module assembly . The next step requires removing the heater core cowl gasket from the heater core which allows the heater core to be extracted from the HVAC module assembly. Reinstall the heater core inside the HVAC module assembly before putting on the heater core cowl gasket to the HVAC module assembly . Post-installation verify that all hardware is tightly fastened to 2 N.m (18 lb in). Secure the heater core cover onto the HVAC module assembly while maintaining proper tightenness of screws at 2 N.m (18 lb in). Repair the procedure by reinstalling the HVAC module assembly.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the Heater Core (Visteon) on GMC Sierra 3500? Posted by Customer
    A:
    Installments for a new Visteon heater core should begin by removing the HVAC module assembly. Screws from the heater core cover must be extracted before pulling the heater core cover apart from its position on the HVAC module assembly. The separate procedure involves removing the heater core from the assembly through the removal of the heater core cowl gasket . Installation begins by putting the heater core inside the HVAC module assembly before installing the heater core cowl gasket to the HVAC module assembly. Install the heater core cover to the HVAC module assembly following the specified instructions in the Service Precautions for Fastener Notice. You should install and tighten the heater core cover screws to 2 Nm (18 lb in). You must reinstall the HVAC module assembly as the last step.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the Heater Core (Delphi) on GMC Sierra 1500 Classic? Posted by Customer
    A:
    The replacement of the Delphi-based heater core starts with removing the HVAC module assembly. Press the screws from the heater core cover before you take the heater core cover out of the HVAC module assembly. The heater core cowl gasket must be detached from the heater core before the core can be extracted from the HVAC module assembly. Put the heater core into the HVAC module assembly first and then position the heater core cowl gasket on top of the heater core. Use the HVAC module assembly as a base to install the heater core cover before securing its screws which must be tightened to 2 N.m (18 lb in). Put the HVAC module assembly back into position as the last step.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the Heater Core (Delphi) on GMC Sierra 1500? Posted by Customer
    A:
    The replacement process for the heater core (Delphi) starts with HVAC module assembly removal. The following steps require separate screw removal from the heater core cover before removing it from the HVAC module assembly. You should then disconnect the heater core cowl gasket from the heater core and remove the heater core from the HVAC module assembly. Put the heater core into position first in the HVAC module assembly before setting the heater core cowl gasket onto the heater core . Reinstall the heater core cover onto the HVAC module assembly before securing its screws at 2 N.m (18 lb in) torque range. The HVAC module assembly should be installed as the last step.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the auxiliary heater core on GMC Yukon XL 2500? Posted by Customer
    A:
    The process of changing the auxiliary heater core begins with the removal of the auxiliary HVAC module followed by unattachment of the air temperature actuator connecting to the module. First access the stud beneath the auxiliary HVAC module while between the heater core inlet and outlet pipes before gently removing the heater core pipe gasket from the module case to take out the heater core pipe retainer. Begin heater core replacement by first removing the auxiliary HVAC module lower cover after you detach the heater core clamp before pulling out the heater core from the auxiliary HVAC module. When installing the core place it inside the auxiliary HVAC module then fasten it with heater core clamp. Insert the auxiliary HVAC module lower cover before installing the heater core pipe retainer along with its gasket. The installation of the stud between heater core inlet and outlet should take place under the rear HVAC module while reattaching the air temperature actuator to the auxiliary HVAC module followed by installation of the auxiliary HVAC module assembly back in the vehicle.
    Posted by ChevyPartsGiant Specialist
    Q:
    What is the first step to replace the heater core (Delphi) for the 2005 Cadillac Escalade EXT? Posted by Customer
    A:
    Remove the HVAC module assembly.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Heater Core
    Q:
    What is the first step to replace the heater core in a Visteon system for the 2003 Cadillac Escalade? Posted by Customer
    A:
    Remove the HVAC module assembly.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Heater Core
    Q:
    What is the next step after installing the heater core cowl gasket for the 2003 Chevrolet Avalanche 1500? Posted by Customer
    A:
    Attach the heater core cover to the HVAC module assembly and secure it with the screws, tightening them to 2 Nm (18 lb in).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Heater Core
    Q:
    What should be done with the screws for the heater core cover for the 2006 Chevrolet Silverado 1500? Posted by Customer
    A:
    Install the screws to the heater core cover and tighten them to 2 N.m (18 lb in).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Heater Core
    Q:
    What is the first step to replace the heater core for the 2007 Chevrolet Silverado 1500 Classic? Posted by Customer
    A:
    First, remove the heater/vent module.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Heater Core
    Q:
    What is the final step in the process for the 2007 Chevrolet Silverado 3500 Classic? Posted by Customer
    A:
    Reinstall the HVAC module assembly.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Heater Core
    Q:
    What should be removed from the heater core for the 2006 Chevrolet Silverado 3500? Posted by Customer
    A:
    Remove the heater core cowl gasket from the heater core.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Heater Core
    Q:
    What is the procedure for reinstalling the auxiliary HVAC module assembly for the 2000 Chevrolet Tahoe? Posted by Customer
    A:
    Reinstall the auxiliary HVAC module assembly into the vehicle, securing it with two bolts inside the vehicle.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Heater Core
    Q:
    What is the first step to replace the heater core in the auxiliary HVAC module for the 2003 Chevrolet Suburban 1500? Posted by Customer
    A:
    Remove the auxiliary HVAC module from the vehicle.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Heater Core
    Q:
    What should be noted about fasteners that need replacement for the 2005 GMC Yukon? Posted by Customer
    A:
    Any fasteners that need replacement or require thread locking compound or sealant will be specified in the service procedure.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Heater Core
    Q:
    Where is the auxiliary HVAC module located for the 2001 GMC Yukon XL 1500? Posted by Customer
    A:
    It is located at the underside of the vehicle.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Heater Core
    Q:
    What is the next step after detaching the air temperature actuator for the 2004 GMC Yukon? Posted by Customer
    A:
    Take off the heater core cover and remove the heater core from the module.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Heater Core
    Q:
    What should be removed after the heater/vent module for the 2006 GMC Sierra 1500? Posted by Customer
    A:
    Remove the heater core cover screws and the heater core cover.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Heater Core
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

OEM GM Heater Core 89018297 Designed for Proper Fit and Performance

Original OEM GM parts deliver superior quality and meet all performance standards needed for optimal automotive operation. The authentic part identified by 89018297 Heater Core is available in the market under the name GM Heater Core. This genuine product has a full warranty coverage from the manufacturer available at all authorized GM dealers throughout the United States. This part 89018297 Heater Core fits certain Chevrolet Tahoe, Avalanche, Silverado 1500 models, as well as GMC Sierra 1500, Yukon, Sierra 2500 HD. Additionally, it is compatible with Cadillac Escalade, Escalade ESV, Escalade EXT and Hummer H2 models.
The original GM component designated by manufacturer part number 89018297 maintains top performance when functioning as the Core, Heater Core; HVAC Heater Core unit. The component 89018297 is constructed from durable material and its dimensions span 20.6 x 16.3 x 8.8 inches while weighing 4.10 Pounds. The Direct Replacement component is ready in New condition to ensure full compatibility with your vehicle system. The part 89018297 has available replacement options 52473326, 52473322. GM manufacturer provides a warranty that ensures reliable operation of this product. The Shipping Policy and Return Policy pages outline complete details regarding shipping procedures and return processes.
If you want to save money in the long run on maintenance and repairs, you should choose OEM products because they're of the top level of durability. Are you on the quest of finding GM parts, our site is worth a visit. We stock an endless selection of high-quality GM components including things like ignition coils all the way through to fan shrouds and all at prices that can not be matched. You have nothing to worry about because all our OEM parts are covered with a manufacturer warranty, which guarantees superior quality and value.