How to replace the auxiliary heater core on 2004 Chevrolet Suburban 1500?

To replace the auxiliary heater core, remove the auxiliary HVAC module and detach the air temperature actuator. Take out the stud between the heater core pipes, separate the gasket, and remove the heater core pipe retainer. Extract the heater core, then reinstall it and reassemble the module in the vehicle.

OEM 2004 Chevrolet Suburban 1500 Heater Core

HVAC Heater Core

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3 Heater Cores found

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2004 Chevrolet Suburban 1500 Heater Core Part Number: 89018297
$158.42 MSRP: $325.56
You Save: $167.14 (52%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Core, Heater Core; HVAC Heater Core
- Replaces: 52473326, 52473322
- Item Weight: 4.10 Pounds
- Item Dimensions: 20.6 x 16.3 x 8.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 89018297
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2004 Chevrolet Suburban 1500 Submodels:
- Base, LS, LT, LTZ, Z71 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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2004 Chevrolet Suburban 1500 Heater Core Part Number: 19258989
$148.98 MSRP: $278.00
You Save: $129.02 (47%)
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Product Specifications
- Other Name: Core, Heater Core
- Replaces: 88986627
- Item Weight: 2.90 Pounds
- Item Dimensions: 14.1 x 13.8 x 7.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 19258989
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2004 Chevrolet Suburban 1500 Submodels:
- Base, LS, LT, LTZ, Z71 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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2004 Chevrolet Suburban 1500 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
- Item Weight: 3.70 Pounds
- Item Dimensions: 20.2 x 16.6 x 8.9 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 52478848
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2004 Chevrolet Suburban 1500 Submodels:
- Base, LS, LT, LTZ, Z71 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS

2004 Chevrolet Suburban 1500 Heater Core

With a comprehensive array of OEM 2004 Chevrolet Suburban 1500 Heater Core, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2004 Chevrolet Suburban 1500 Heater Core are backed by the manufacturer's warranty and are offered at competitive prices in the market. Rest assured, you can shop with complete confidence.

2004 Chevrolet Suburban 1500 Heater Core Parts and Q&A

Q: How to replace the auxiliary heater core on 2004 Chevrolet Suburban 1500?
A: To replace the auxiliary heater core, remove the auxiliary HVAC module and detach the air temperature actuator. Take out the stud between the heater core pipes, separate the gasket, and remove the heater core pipe retainer. Extract the heater core, then reinstall it and reassemble the module in the vehicle.