How to remove the front and rear heater cores in Chevrolet Avalanche,Silverado,Suburban,Tahoe,GMC Sierra,Yukon,Yukon Denali and Yukon XL?

To remove the front heater core, the air conditioning system must be discharged and the battery cable disconnected. Drain the cooling system and detach the air conditioning lines from the evaporator core fittings at the firewall. The heater hoses should be disconnected from the firewall, and the engine cover, battery, and accumulator removed.

Genuine Chevrolet Avalanche Heater Core

HVAC Heater Core

Select Vehicle by Model
Select Vehicle by VIN

Select Vehicle by Model

Make

Model

Year

Select Vehicle by VIN

For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

2 Heater Cores found

View related parts
Chevrolet Avalanche Core Asm,Heater
Part Number: 89018297
$144.03 MSRP: $302.60
You Save: $158.57 (53%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: CORE, Heater Core; Heater Core
- Replaces: 52473326, 52473322
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2013 Chevrolet Avalanche | 1/2 TON, 3/4 TON | 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 8.1L
View related parts
Chevrolet Avalanche Core Asm,Heater
Part Number: 19258989
$147.34 MSRP: $278.00
You Save: $130.66 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: CORE, Heater Core; Heater Core
- Replaces: 88986627
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2006 Chevrolet Avalanche | 1/2 TON, 3/4 TON | 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 8.1L

Chevrolet Avalanche Heater Core Parts Questions & Experts Answers

Core Asm,Heater
89018297
Q: How to remove the front and rear heater cores in Chevrolet Avalanche,Silverado,Suburban,Tahoe,GMC Sierra,Yukon,Yukon Denali and Yukon XL?
A: To remove the front heater core, the air conditioning system must be discharged and the battery cable disconnected. Drain the cooling system and detach the air conditioning lines from the evaporator core fittings at the firewall. The heater hoses should be disconnected from the firewall, and the engine cover, battery, and accumulator removed.

Related Chevrolet Avalanche Parts

Browse by Year

2013 Heater Core 2012 Heater Core 2011 Heater Core 2010 Heater Core 2009 Heater Core 2008 Heater Core 2007 Heater Core 2006 Heater Core 2005 Heater Core 2004 Heater Core 2003 Heater Core 2002 Heater Core