How to service the heater core on GMC C2500?

The service process for a heater core begins by draining engine coolant first while recovering refrigerant. You must begin by taking out the heater/vent module followed by unfastening the heater core cover screws before extracting the heater core cover in order to reach the heater core. Place the replacement heater core before installing the heater core cover and attach screws according to the manufacturer recommendations of 1.6 N.m (14 lb in). Reinstall the heater/vent module and then complete coolant system refilling before recharge of the air conditioning system.

OEM GMC C2500 Heater Core

HVAC Heater Core

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6 Heater Cores found

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GMC C2500 Heater Core Part Number: 89019173
$100.02 MSRP: $205.54
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Product Specifications
- Other Name: Core, Heater; HVAC Heater Core; Core, Heater Core
- Replaces: 52467018
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-2000 GMC C2500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
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GMC C2500 Heater Core Part Number: 52452918
Product Specifications
- Other Name: Core, Heater; Core, Heater Core
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1990 GMC C2500 | Sierra, Sierra SLE, Sierra SLX | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL
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GMC C2500 Heater Core Part Number: 52467017
Product Specifications
- Other Name: Core, Heater; Core, Heater Core
- Replaces: 52461009
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-2000 GMC C2500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
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GMC C2500 Heater Core Part Number: 3034749
Product Specifications
- Other Name: Core, Auxiliary Heater; Core, Heater Core
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1986 GMC C2500 | Base, High Sierra, Sierra Classic | 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L GAS, 6 Cyl 4.8 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
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GMC C2500 Heater Core Part Number: 19131978
Product Specifications
- Other Name: Core, Heater Core; HVAC Heater Core
- Replaces: 03027247, 52479870, 3027247
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1986 GMC C2500 | Base, High Sierra, Sierra Classic | 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L GAS, 6 Cyl 4.8 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
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GMC C2500 Heater Core Part Number: 19131974
Product Specifications
- Other Name: Core, Heater Core; HVAC Heater Core
- Replaces: 03027265, 3027265, 52479865
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1986 GMC C2500 | Base, High Sierra, Sierra Classic | 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L GAS, 6 Cyl 4.8 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS

GMC C2500 Heater Core

Want to cut long-term maintenance and repair costs? Choose OEM Heater Core. Those parts deliver top durability you can trust. On our site, you'll find a huge catalog of genuine GMC C2500 parts. Prices are unbeatable, so you can keep more in your pocket. Every OEM GMC C2500 Heater Core includes a manufacturer's warranty. You can also get an easy return policy that keeps buying risk free. Fast delivery, get your car on the road quickly. It's simple to search, compare, and order. Stop guessing about quality or fit. Order today and save with parts that last.

The heater core is a part of the auto climate control system in the famous GMC C2500 automobiles and characterised by durability and efficiency. This Heater Core effectively manages to dissipate excessive heat from the engine to ensure that the cabin is made warm for the comfort of the driver mostly in the cold states. Available types of the heater cores include the C2500 aluminum heater core or the GMC C2500 brass heater core all of which are sturdy structures crafted from aluminum or brass plate for withstanding harsh usage in models ranging from 1960-1998 C2500. This applicability of the trim levels including Base, Deluxe, Custom, Sierra and Sierra Grande makes it versatile within the whole GMC family. Besides, improving the comfort of the car interior, Heater Core offers an important function in maintaining safety by ensuring proper circulation of a coolant and preventing overheating. Various specialized solutions like electromechanical actuators for better temperature regulation and climate options for the GMC C2500 Heater Core are some of the critical automotive features. Further, in the air-conditioned models, the Heater Core also contributes towards the vehicle's dehumidification process which makes the drive much more comfortable. Nevertheless, like any other component, problems such as clogging, leaks, and others may appear from time to time, however, the layout and construction of the GMC C2500 Heater Core are created in a way that makes this part to stay as efficient and durable as possible which has a positive impact on the GMC C2500 heater core as well as the performance and reliability of the trucks.

GMC C2500 Heater Core Parts Questions & Experts Answers

Heater Core
89019173
Q: How to service the heater core on GMC C2500?
A:
The service process for a heater core begins by draining engine coolant first while recovering refrigerant. You must begin by taking out the heater/vent module followed by unfastening the heater core cover screws before extracting the heater core cover in order to reach the heater core. Place the replacement heater core before installing the heater core cover and attach screws according to the manufacturer recommendations of 1.6 N.m (14 lb in). Reinstall the heater/vent module and then complete coolant system refilling before recharge of the air conditioning system.