2003 GMC C8500 Topkick Heating Parts

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Keep Your 2003 GMC C8500 Topkick 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 GMC C8500 Topkick looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including HVAC Control Vacuum Check 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.

Top-Rated Heating Parts from Trusted Brands

Looking for a reliable Heating Part? We’ve got you covered with options from brands you know and trust like GM Genuine. For example, GM Genuine Heating Parts start at just $5.79 with an average 4.6 star rating. With over 2 reviews and a solid 5.0 star average, you can shop with confidence knowing other GMC C8500 Topkick owners approve.

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 GMC C8500 Topkick in peak condition, inside and out.

Essential 2003 GMC C8500 Topkick Heating Parts

GM Genuine Parts – GM Genuine Parts Vacuum Check Valve, 15-50568 (Part No.15-50568)

GM Genuine Parts Vacuum Check Valve, 15-50568

from

$5.79
GM Genuine Parts Vacuum Check Valves are designed, engineered, and tested to rigorous standards, and are backed by General Motors. 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).
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Carquest Premium – Carquest HVAC Heater Core, 398357 (Part No.398357)

Carquest HVAC Heater Core, 398357

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.
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Carquest Premium – Carquest HVAC Heater Core, 910000 (Part No.910000)

Carquest HVAC Heater Core, 910000

from

$62.99
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.
See More

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

KAI HVA/C Heater Core, HTR010097

from

$70.99
New Standard Replacement Front Heater Core
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Most Popular HVAC Control Vacuum Check Valve for 2003 GMC C8500 Topkicks

Enhance your 2003 GMC C8500 Topkick with this popular HVAC Control Vacuum Check Valve we have in stock, for $5.79.

GM Genuine Parts – GM Genuine Parts Vacuum Check Valve, 15-50568 (Part No.15-50568)

GM Genuine Parts Vacuum Check Valve, 15-50568

from

$5.79
GM Genuine Parts Vacuum Check Valves are designed, engineered, and tested to rigorous standards, and are backed by General Motors. 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).
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Best-Selling 2003 GMC C8500 Topkick Heater Cores

Upgrade your C8500 Topkick with one of our 3 best-selling Heater Cores.

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

Carquest HVAC Heater Core, 398357

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.
See More

Carquest Premium – Carquest HVAC Heater Core, 910000 (Part No.910000)

Carquest HVAC Heater Core, 910000

from

$62.99
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.
See More

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

KAI HVA/C Heater Core, HTR010097

from

$70.99
New Standard Replacement Front Heater Core
See More

Top-Rated Heating Part Brands For Your 2003 GMC C8500 Topkick

When it comes to finding the perfect Heating Part for your 2003 GMC C8500 Topkick, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 3 trusted brands. We carry the most popular Heating Part brands including GM Genuine, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $5.79. Purchasing a Heating Part from us here at Advance Auto Parts is a smart move for both you and your 2003 GMC C8500 Topkick, providing peace of mind with parts that meet or exceed OEM standards.

Popular GM Genuine 2003 GMC C8500 Topkick Heating Parts

If you’re looking for a top-quality Heating Part for your 2003 GMC C8500 Topkick, Advance Auto Parts has exactly what you need with our selection of GM Genuine Heating Parts. We have 1 GM Genuine Heating Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $5.79, you’ll find the perfect Heating Part for your needs and budget. GM Genuine Heating Parts for the 2003 GMC C8500 Topkick come highly rated, with over 2 customer reviews and an impressive average rating of 4.6 stars. Choosing a GM Genuine Heating Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
GM Genuine Parts Vacuum Check Valve, 15-50568
from $5.79
(2)
GM Genuine Parts Vacuum Check Valve, 15-50568
“The vents on my 1997 camaro were stuck on defrost. It turned out the old vacuum check valve had cracked and that was the cause. This was easy to rep”

FAQs for 2003 GMC C8500 Topkick Heating Parts

What are the best-selling Heating Parts for 2003 GMC C8500 Topkicks?

Out of 4 Heating Parts that fit 2003 GMC C8500 Topkicks, the following parts are the top sellers:

What’s the price range for 2003 GMC C8500 Topkick Heating Parts?

The prices of Heating Parts for the 2003 GMC C8500 Topkick range from $5.79 up to $93.99 for the most premium parts.

What is the average price of a Heating Part for a 2003 GMC C8500 Topkick?

The average price for Heating Parts for the 2003 GMC C8500 Topkick is $72.30. 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 GMC C8500 Topkick model years?

Yes, we carry Heating Parts for 5 model years of GMC C8500 Topkicks between 2004 and 2009. The following model years are the most popular for Heating Part purchases: 2009, 2008, 2007, 2006, 2005, and 2004.

What are the cheapest Heating Parts for my 2003 GMC C8500 Topkick?

The cheapest 2003 GMC C8500 Topkick Heating Parts we carry are:

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

Yes. We stock Heating Parts for 19 other popular 2003 GMC models. Some of the most popular are 2003 Yukon Heating Parts, 2003 Sierra 1500 Heating Parts, 2003 Yukon XL 1500 Heating Parts, 2003 Sierra 2500 HD Heating Parts, and 2003 Yukon XL 2500 Heating Parts.

What are the top-rated Heating Parts that fit the 2003 GMC C8500 Topkick?

The one 2003 GMC C8500 Topkick Heating Part we have in stock is the GM Genuine Parts Vacuum Check Valve, 15-50568. It is rated 5 stars and costs $5.79.

What types of Heating Parts do you sell for my 2003 GMC C8500 Topkick?

As of 8/2/26, these are some of the most in-demand types of Heating Parts for a 2003 GMC C8500 Topkick:

Can I get help with 2003 GMC C8500 Topkick Heating Part orders?

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

What is your return policy for GMC C8500 Topkick Heating Parts?

Advance Auto Parts keeps returns simple. For new GMC C8500 Topkick Heating Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.