How to replace the Heater Core (Delphi) on Chevrolet Silverado 3500?

The Heater Core (Delphi) substitution process starts by uninstalling the HVAC module assembly while detaching the screws on the heater core cover. Proceed to detach the heater core cover from the HVAC module assembly after removing the heater core cowl gasket from the heater core . Remove the heater core by extracting the component from the HVAC module assembly. Begin the install process by placing the heater core inside the HVAC module assembly and then apply the heater core cowl gasket onto the heater core surface. Secure the heater core cover to the HVAC module assembly and fasten its screws into the heater core cover while tightening them to 2 N.m (18 lb in). The installation of the HVAC module assembly should be completed last.

OEM Chevrolet Silverado 3500 Heater Core

HVAC Heater Core

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Chevrolet Silverado 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 Chevrolet Silverado 3500 | Base, LS, LT, 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
View related parts
Chevrolet Silverado 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 Chevrolet Silverado 3500 | Base, LS, LT, 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

Chevrolet Silverado 3500 Heater Core

Our website offers an extensive catalog of genuine Chevrolet Silverado 3500 Heater Core at unbeatable prices. Every OEM Chevrolet Silverado 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!

Chevrolet Silverado 3500 Heater Core Parts Questions & Experts Answers

Heater Core
19258989
Q: How to replace the Heater Core (Delphi) on Chevrolet Silverado 3500?
A: The Heater Core (Delphi) substitution process starts by uninstalling the HVAC module assembly while detaching the screws on the heater core cover. Proceed to detach the heater core cover from the HVAC module assembly after removing the heater core cowl gasket from the heater core . Remove the heater core by extracting the component from the HVAC module assembly. Begin the install process by placing the heater core inside the HVAC module assembly and then apply the heater core cowl gasket onto the heater core surface. Secure the heater core cover to the HVAC module assembly and fasten its screws into the heater core cover while tightening them to 2 N.m (18 lb in). The installation of the HVAC module assembly should be completed last.

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