How to replace the Heater Core (Visteon) on GMC Sierra 3500?

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.

OEM GMC Sierra 3500 Heater Core

HVAC Heater Core

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GMC Sierra 3500 Heater Core
Part Number: 89018297
$155.32 MSRP: $319.18
You Save: $163.86 (52%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Core, Heater Core; HVAC Heater Core
- Replaces: 52473326, 52473322
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2006 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
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GMC Sierra 3500 Heater Core
Part Number: 19258989
$135.28 MSRP: $278.00
You Save: $142.72 (52%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Core, Heater Core
- Replaces: 88986627
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2006 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS

GMC Sierra 3500 Heater Core

Our website offers an extensive catalog of genuine GMC Sierra 3500 Heater Core at unbeatable prices. Every OEM GMC Sierra 3500 Heater Core comes with a manufacturer's warranty, an easy return policy, and rapid delivery service. Don't miss out on this great opportunity!

GMC Sierra 3500 Heater Core Parts Questions & Experts Answers

Heater Core
89018297
Q: How to replace the Heater Core (Visteon) on GMC Sierra 3500?
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.

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