2003 GMC Sierra 3500 Heating Parts

Essential 2003 GMC Sierra 3500 Heating Parts

GM Genuine Parts – Heater Core (Part No.15-62960)

Heater Core

from

$209.99
GM Genuine Parts HVAC Heater Cores are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These HVAC heater cores are small radiators, located in the plenum behind the dashboard. Engine coolant flows through the heater core in order to heat the air in the passenger compartment. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Long-life alloys provide corrosion resistance
  • High-strength brazed joints ensure durability
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • Original equipment parts are designed to work with your GM vehicle safety systems — aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
  • GM regularly updates production and service part designs to integrate new materials and technologies
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KAI – HVA/C Heater Core (Part No.HTR010095)

HVA/C Heater Core

from

$64.99
New Standard Replacement Front Heater Core

Product Features:
  • Made Of Aluminum
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
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Santech – Heater Core (Part No.R3000223256SII)

Heater Core

from

$95.37
Heater Core

Carquest Premium – Heater Core (Part No.394204)

Heater Core

from

$139.99
Carquest Premium offers a complete line of automotive heater cores covering 94% of all North American vehicle applications. Carquest Premium provides value in several ways, including increased thermal performance and resistance to corrosion using enhanced design features, such as the latest fin and tube technology and design standardization for maximum availability. Carquest Premium offers certified heater cores that meet or exceed OE specifications and are all fitment checked in the actual vehicle’s HVAC heater module and are, thus, ready to be installed right out of the box for a “Drop-In Fit”. Carquest Premium heater cores are engineered and manufactured under ISO TS16949 quality systems and are 100% leak tested.

Product Features:
  • All heater cores are designed and tested to match or exceed OE specifications for form, fit and performance with a clear focus on obtaining the highest heat transfer performance possible through use of quality materials and manufacturing processes to ensu
  • Carquest Premium heater cores are engineered and manufactured under ISO TS16949 quality systems and are 100% leak tested.
  • Provides value in several ways, including increased thermal performance and resistance to corrosion using enhanced design features, such as the latest fin and tube technology and design standardization for maximum availability.
  • Carquest Premium offers a complete line of automotive heater cores covering 94% of all North American vehicle applications.
  • Our advanced engineering methods coupled with our innovative manufacturing technology provides products to the aftermarket that meet or exceed form, fit, and function of OEM Parts
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Carquest Premium – HVAC Heater Core (Part No.910463)

HVAC Heater Core

from

$127.99
Carquest Premium offers a complete line of automotive heaters covering 94% of all North American vehicle applications. Carquest Premium provides value in several ways, including increased thermal performance and resistance to corrosion using enhanced design features, such as the latest fin and tube technology and design standardization for maximum availability. Carquest Premium offers certified heaters that meet or exceed OE specifications and are all fitment checked in the actual vehicle’s HVAC heater module and are, thus, ready to be installed right out of the box for a “Drop-In Fit”. Carquest Premium heaters are engineered and manufactured under ISO TS16949 quality systems and are 100% leak tested.

Product Features:
  • All heater cores are designed and tested to match or exceed OE specifications for form, fit and performance with a clear focus on obtaining the highest heat transfer performance possible through use of quality materials and manufacturing processes to ensu
  • Premium parts you can rely on; The finest quality at a great price. The finest quality at the most competitive price /or/ Premium quality at the most competitive price.
  • CARQUEST heaters are engineered and manufactured under ISO TS16949 quality systems and are 100% leak tested.
  • Designed to keep your A/C system in top shape and built to provide long-lasting service
  • Provides value in several ways, including increased thermal performance and resistance to corrosion using enhanced design features, such as the latest fin and tube technology and design standardization for maximum availability.
  • CARQUEST offers a complete line of automotive heaters covering 94% of all North American vehicle applications.
  • Our advanced engineering methods coupled with our innovative manufacturing technology provides products to the aftermarket that meet or exceed form, fit, and function of OEM Parts
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ACDelco – GM Original Equipment Heater Core (Part No.R3000223256ACD)

GM Original Equipment Heater Core

from

$245.72
ACDelco GM Original Equipment HVAC Heater Cores are small radiators, located in the plenum behind the dashboard, and are GM-recommended replacements for your vehicle’s original components. Engine coolant flows through the heater core in order to heat the air in the passenger compartment. This original equipment HVAC heater core has been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service live you expect from General Motors.

Product Features:
  • Long-life alloys provide corrosion resistance
  • High-strength brazed joints ensure durability
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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2003 GMC Sierra 3500 Heating Parts

Maybe you’re in the middle of a full rebuild of that 2003 GMC Sierra 3500. Maybe you just need a couple of Heating Parts. Either way, Advance Auto Parts has 6 different Heating Parts in our inventory ranging from $64.99 to $245.72. That means you can find the exact parts or products you need to keep that 2003 GMC Sierra 3500 running smoothly.

Heating Parts are only as good as their brand. We stock 5 different brands to make sure you have plenty of trusted parts to choose from for your 2003 GMC Sierra 3500. Carquest Premium, KAI, and GM Genuine Parts are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Heating Parts for your 2003 GMC Sierra 3500, but don’t take our word for it – read our customer ratings and reviews and buy with confidence.

So if you’re in the market for aftermarket Heating Parts to keep your 2003 GMC Sierra 3500 rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Heating Parts Brands To Make Your 2003 GMC Sierra 3500 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 GMC Sierra 3500 demands trusted brand parts and products to keep it running. Many trusted brands of Heating Parts make up Advance Auto Parts’ inventory, and all are ready to help make your Sierra 3500 the best it can be. Be sure to browse some of our top Heating Parts brands and parts.

Popular GM Genuine Parts Heating Parts

We carry GM Genuine Parts parts in our stock across Heater Cores categories, plus more. For a 2003 GMC Sierra 3500, our most popular GM Genuine Parts Heating Parts include:
Heater Core
from $209.99
(1)
Heater Core
Heater Cores

Top 2003 GMC Sierra 3500 Heating Parts from Carquest Premium

Carquest Premium products are another trusted brand when it comes to Heating Parts for your 2003 GMC Sierra 3500. Popular Carquest Premium parts include:
Heater Core
from $139.99
(14)
Heater Core
Heater Cores
HVAC Heater Core
from $127.99
(1)
HVAC Heater Core
Heater Cores

FAQs for 2003 GMC Sierra 3500 Heating Parts

What are the most purchased Heating Parts for the 2003 GMC Sierra 3500?

Out of 6 Heating Parts for the 2003 GMC Sierra 3500, the most popular in our inventory are:
HVA/C Heater Core
from $64.99
This product is not rated
HVA/C Heater Core
Heater Cores
Heater Core
from $95.37
This product is not rated
Heater Core
Heater Cores
GM Original Equipment Heater Core
from $245.72
This product is not rated
GM Original Equipment Heater Core
Heater Cores