2003 Chevrolet Express 3500 Heating Parts

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Keep Your 2003 Chevrolet Express 3500 in Top Shape with Quality Heating Parts

Whether you’re repairing or upgrading your Heating Part, using high-quality parts is key to keeping your 2003 Chevrolet Express 3500 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Heater Valves, HVAC Heater Water Flow Control Valves, and Heater Cores. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Explore Related Parts

While you’re upgrading or replacing your Heating Part, don’t forget to check out other key components like Engine Cooling Parts and HVAC Electrical Parts. At Advance Auto Parts, we’re here to help you keep your 2003 Chevrolet Express 3500 in peak condition, inside and out.

Essential 2003 Chevrolet Express 3500 Heating Parts

Carquest Premium – HVAC Heater Core (Part No.910317)

HVAC Heater Core

from

$119.99
Carquest Premium heater cores use advanced engineering methods together with innovative manufacturing technology resulting in a product that meets or exceeds form, fit, and function.

Product Features:
  • Designed to keep your A/C system in top shape and built to provide long-lasting service.
  • Our advanced engineering methods coupled with our innovative manufacturing technology provide products to the aftermarket that meet or exceed form, fit, and function of OEM parts.
  • Our advanced engineering methods coupled with our innovative manufacturing technology provide products to the aftermarket that meet or exceed form, fit, and function of OEM parts.
See More

KAI – HVA/C Heater Core (Part No.HTR010096)

HVA/C Heater Core

from

$36.99
New Standard Replacement Rear 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
See More

Omega Environmental Tech – HVAC Heater Core (Part No.27-58357)

HVAC Heater Core

from

$244.99
Keep your cabin warm and comfortable with our Heater Cores. Designed to transfer heat from the engine’s cooling system to the interior of your vehicle, these heater cores provide efficient heating and reliable performance. Built with high-quality materials to resist corrosion and withstand extreme temperatures, they ensure long-lasting durability and consistent heat distribution. Engineered to meet or exceed OEM specifications, our heater cores deliver optimal thermal efficiency, maintaining a comfortable cabin environment in any weather.

Product Features:
  • Meets or Exceeds OE Specifications
  • Durability tested for reliability under extreme conditions
  • Designed for improved performance
  • Direct OE Replacement
See More

Carquest Premium – HVAC Heater Core (Part No.398357)

HVAC Heater Core

from

$93.99
Carquest Premium heater cores use advanced engineering methods together with innovative manufacturing technology resulting in a product that meets or exceeds form, fit, and function.

Product Features:
  • Designed to keep your A/C system in top shape and built to provide long-lasting service.
  • Our advanced engineering methods coupled with our innovative manufacturing technology provide products to the aftermarket that meet or exceed form, fit, and function of OEM parts.
  • Our advanced engineering methods coupled with our innovative manufacturing technology provide products to the aftermarket that meet or exceed form, fit, and function of OEM parts.
See More

KAI – HVA/C Heater Core (Part No.HTR010097)

HVA/C Heater Core

from

$70.99
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
See More

Carquest Premium – HVAC Vacuum Closed Non-Bypass Heater Valve (Part No.T74803)

HVAC Vacuum Closed Non-Bypass Heater Valve

from

$20.29
Carquest Heater Control Valves are application specific and tested to ensure proper fit and function to maintain your vehicle’s heater is functioning to OEM standards.

Product Features:
  • Precision-controlled flow for reliable HVAC performance
  • Designed for dependable sealing and operation
  • Engineered for a precise, vehicle-specific fit and operation
See More

Carquest Premium – HVAC Vacuum Closed Bypass Heater Valve (Part No.T74797)

HVAC Vacuum Closed Bypass Heater Valve

from

$26.99
Carquest Heater Control Valves are application specific and tested to ensure proper fit and function to maintain your vehicle’s heater is functioning to OEM standards.

Product Features:
  • Precision-controlled flow for reliable HVAC performance
  • Designed for dependable sealing and operation
  • Engineered for a precise, vehicle-specific fit and operation
See More

Carquest Premium – HVAC Vacuum Closed Bypass Heater Valve (Part No.T74781)

HVAC Vacuum Closed Bypass Heater Valve

from

$36.99
Carquest Heater Control Valves are application specific and tested to ensure proper fit and function to maintain your vehicle’s heater is functioning to OEM standards.

Product Features:
  • Precision-controlled flow for reliable HVAC performance
  • Designed for dependable sealing and operation
  • Engineered for a precise, vehicle-specific fit and operation
See More

GM Genuine Parts – Heater Water Flow Control Valve (Part No.15-51278)

Heater Water Flow Control Valve

from

$103.99
GM Genuine Parts HVAC Heater Water Flow Control Valves are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These HVAC heater water flow control valves control the flow of engine coolant through the heater core. The heater water flow control valve is closed when maximum AC cooling is selected. 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:
  • Visual- and leak-tested for 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
See More

Most Popular Heater Valves for 2003 Chevrolet Express 3500s

Enhance your 2003 Chevrolet Express 3500 with one of the 2 Heater Valves we have in stock, starting at just $20.29.

Carquest Premium – HVAC Vacuum Closed Bypass Heater Valve (Part No.T74781)

HVAC Vacuum Closed Bypass Heater Valve

from

$36.99
Carquest Heater Control Valves are application specific and tested to ensure proper fit and function to maintain your vehicle’s heater is functioning to OEM standards.

Product Features:
  • Precision-controlled flow for reliable HVAC performance
  • Designed for dependable sealing and operation
  • Engineered for a precise, vehicle-specific fit and operation
See More

Carquest Premium – HVAC Vacuum Closed Non-Bypass Heater Valve (Part No.T74803)

HVAC Vacuum Closed Non-Bypass Heater Valve

from

$20.29
Carquest Heater Control Valves are application specific and tested to ensure proper fit and function to maintain your vehicle’s heater is functioning to OEM standards.

Product Features:
  • Precision-controlled flow for reliable HVAC performance
  • Designed for dependable sealing and operation
  • Engineered for a precise, vehicle-specific fit and operation
See More

Best-Selling 2003 Chevrolet Express 3500 HVAC Heater Water Flow Control Valve

Upgrade your Express 3500 with our best-selling HVAC Heater Water Flow Control Valve.

GM Genuine Parts – Heater Water Flow Control Valve (Part No.15-51278)

Heater Water Flow Control Valve

from

$103.99
GM Genuine Parts HVAC Heater Water Flow Control Valves are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These HVAC heater water flow control valves control the flow of engine coolant through the heater core. The heater water flow control valve is closed when maximum AC cooling is selected. 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:
  • Visual- and leak-tested for 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
See More

Top-Quality Heater Cores for 2003 Chevrolet Express 3500s

Choose a high-quality OEM or aftermarket Heater Core for Chevrolet Express 3500s and enjoy top-notch performance from $36.99.

Carquest Premium – HVAC Heater Core (Part No.398357)

HVAC Heater Core

from

$93.99
Carquest Premium heater cores use advanced engineering methods together with innovative manufacturing technology resulting in a product that meets or exceeds form, fit, and function.

Product Features:
  • Designed to keep your A/C system in top shape and built to provide long-lasting service.
  • Our advanced engineering methods coupled with our innovative manufacturing technology provide products to the aftermarket that meet or exceed form, fit, and function of OEM parts.
  • Our advanced engineering methods coupled with our innovative manufacturing technology provide products to the aftermarket that meet or exceed form, fit, and function of OEM parts.
See More

Omega Environmental Tech – HVAC Heater Core (Part No.27-58357)

HVAC Heater Core

from

$244.99
Keep your cabin warm and comfortable with our Heater Cores. Designed to transfer heat from the engine’s cooling system to the interior of your vehicle, these heater cores provide efficient heating and reliable performance. Built with high-quality materials to resist corrosion and withstand extreme temperatures, they ensure long-lasting durability and consistent heat distribution. Engineered to meet or exceed OEM specifications, our heater cores deliver optimal thermal efficiency, maintaining a comfortable cabin environment in any weather.

Product Features:
  • Meets or Exceeds OE Specifications
  • Durability tested for reliability under extreme conditions
  • Designed for improved performance
  • Direct OE Replacement
See More

Carquest Premium – HVAC Heater Core (Part No.910317)

HVAC Heater Core

from

$119.99
Carquest Premium heater cores use advanced engineering methods together with innovative manufacturing technology resulting in a product that meets or exceeds form, fit, and function.

Product Features:
  • Designed to keep your A/C system in top shape and built to provide long-lasting service.
  • Our advanced engineering methods coupled with our innovative manufacturing technology provide products to the aftermarket that meet or exceed form, fit, and function of OEM parts.
  • Our advanced engineering methods coupled with our innovative manufacturing technology provide products to the aftermarket that meet or exceed form, fit, and function of OEM parts.
See More

KAI – HVA/C Heater Core (Part No.HTR010097)

HVA/C Heater Core

from

$70.99
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
See More

KAI – HVA/C Heater Core (Part No.HTR010096)

HVA/C Heater Core

from

$36.99
New Standard Replacement Rear 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
See More

FAQs for 2003 Chevrolet Express 3500 Heating Parts

What are the best-selling Heating Parts for 2003 Chevrolet Express 3500s?

Out of 8 Heating Parts that fit 2003 Chevrolet Express 3500s, the following parts are the top sellers:

What’s the price range for 2003 Chevrolet Express 3500 Heating Parts?

The prices of Heating Parts for the 2003 Chevrolet Express 3500 range from $20.29 up to $244.99 for the most premium parts.

What is the average price of a Heating Part for a 2003 Chevrolet Express 3500?

The average price for Heating Parts for the 2003 Chevrolet Express 3500 is $79.73. Keep in mind the variety of part types within our Heating Part category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Heating Parts for other Chevrolet Express 3500 model years?

Yes, we carry Heating Parts for 29 model years of Chevrolet Express 3500s between 1996 and 2026. The following model years are the most popular for Heating Part purchases: 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, and 2015.

What are the cheapest Heating Parts for my 2003 Chevrolet Express 3500?

The cheapest 2003 Chevrolet Express 3500 Heating Parts we carry are:

Does Advance Auto Parts sell Heating Parts for any other 2003 Chevrolet models?

Yes. We stock Heating Parts for 32 other popular 2003 Chevrolet models. Some of the most popular are 2003 Tahoe Heating Parts, 2003 Impala Heating Parts, 2003 Silverado 1500 Heating Parts, 2003 Malibu Heating Parts, and 2003 Suburban 1500 Heating Parts.

What types of Heating Parts do you sell for my 2003 Chevrolet Express 3500?

As of 6/2/26, these are some of the most in-demand types of Heating Parts for a 2003 Chevrolet Express 3500:

Can I get help with 2003 Chevrolet Express 3500 Heating Part orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Chevrolet Heating Parts and more.

What is your return policy for Chevrolet Express 3500 Heating Parts?

Advance Auto Parts keeps returns simple. For new Chevrolet Express 3500 Heating Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.