How to replace the auxiliary heater core on Chevrolet Suburban 2500?

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.

OEM Chevrolet Suburban 2500 Heater Core

HVAC Heater Core

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Chevrolet Suburban 2500 Heater Core
Part Number: 89018297
$177.94 MSRP: $319.18
You Save: $141.24 (45%)
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:
- 2000-2013 Chevrolet Suburban 2500 | Base, LS, LT, LTZ | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
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Chevrolet Suburban 2500 Heater Core
Part Number: 52478848
$62.91 MSRP: $113.86
You Save: $50.95 (45%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Core Assembly, Auxiliary Heater; Core, Heater Core
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2006 Chevrolet Suburban 2500 | Base, LS, LT | 8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
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Chevrolet Suburban 2500 Heater Core
Part Number: 19258989
$154.99 MSRP: $278.00
You Save: $123.01 (45%)
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 Chevrolet Suburban 2500 | LS, LT | 8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
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Chevrolet Suburban 2500 Heater Core
Part Number: 25882728
$83.00 MSRP: $148.22
You Save: $65.22 (44%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Core Assembly-Auxiliary Heater; Core, Heater Core
- Replaces: 15225891
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2013 Chevrolet Suburban 2500 | LS, LT, LTZ | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS

Chevrolet Suburban 2500 Heater Core

Our website offers an extensive catalog of genuine Chevrolet Suburban 2500 Heater Core at unbeatable prices. Every OEM Chevrolet Suburban 2500 Heater Core comes with a manufacturer's warranty, an easy return policy, and rapid delivery service. Don't miss out on this great opportunity!

Chevrolet Suburban 2500 Heater Core Parts Questions & Experts Answers

Heater Core
89018297
Q: How to replace the auxiliary heater core on Chevrolet Suburban 2500?
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.

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