1978 GMC Caballero Heating Parts
Keep Your 1978 GMC Caballero 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 1978 GMC Caballero looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Heater 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.
Competitive Prices and Extensive Inventory
The average price for a 1978 GMC Caballero Heating Part at Advance Auto Parts is around $41.32, with a range that starts at $19.99 and goes up to $52.99. With 4 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Carquest HVAC Vacuum Closed Non-Bypass Heater Valve, T74612 and Carquest HVAC Vacuum Closed Non-Bypass Heater Valve, T74605 start at just $19.99 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Heating Part, don’t forget to check out other key components like Blower Motor and Related Products and Engine Cooling Parts. At Advance Auto Parts, we’re here to help you keep your 1978 GMC Caballero in peak condition, inside and out.
Find Your Specific 1978 GMC Caballero Heating Parts
Looking for the perfect Heating Part for your 1978 GMC Caballero? You’re in the right place. Below, you’ll find links to various types of Heating Parts that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Heating Parts, ensuring durability and a precise fit for your GMC Caballero. Whether you’re driving a 1978 model or another popular model year like
1979,
1980,
1981,
1982,
1983,
1984,
1985,
1986, and
1987, we’ve got you covered. Purchasing Heating Parts from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Heating Parts that fit your vehicle.
Essential 1978 GMC Caballero Heating Parts
Carquest Premium – Carquest HVAC Vacuum Closed Non-Bypass Heater Valve, T74612 (Part No.T74612)
from
$19.99
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.
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Carquest Premium – Carquest HVAC Vacuum Closed Non-Bypass Heater Valve, T74691 (Part No.T74691)
from
$32.99
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.
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Carquest Premium – Carquest HVAC Vacuum Closed Non-Bypass Heater Valve, T74605 (Part No.T74605)
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.
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Carquest Premium – Carquest HVAC Heater Core, 399092 (Part No.399092)
from
$52.99
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, 399088 (Part No.399088)
from
$49.99
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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Popular 1978 GMC Caballero Heating Parts Categories
Most Popular Heater Valves for 1978 GMC Caballeros
Enhance your 1978 GMC Caballero with one of the 2 Heater Valves we have in stock, starting at just $19.99.
Carquest Premium – Carquest HVAC Vacuum Closed Non-Bypass Heater Valve, T74612 (Part No.T74612)
from
$19.99
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.
See More
Carquest Premium – Carquest HVAC Vacuum Closed Non-Bypass Heater Valve, T74605 (Part No.T74605)
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.
See More
Best-Selling 1978 GMC Caballero Heater Cores
Upgrade your Caballero with one of our 2 best-selling Heater Cores, earning an average 2.75 stars rating across 5 reviews.
Carquest Premium – Carquest HVAC Heater Core, 399088 (Part No.399088)
from
$49.99
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, 399092 (Part No.399092)
from
$52.99
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
FAQs for 1978 GMC Caballero Heating Parts
What are the best-selling Heating Parts for 1978 GMC Caballeros?
Out of 4 Heating Parts that fit 1978 GMC Caballeros, the following parts are the top sellers:
- Carquest HVAC Vacuum Closed Non-Bypass Heater Valve, T74612 (12186327) – $19.99
- Carquest HVAC Vacuum Closed Non-Bypass Heater Valve, T74605 (12186298) – $36.99
What’s the price range for 1978 GMC Caballero Heating Parts?
The prices of Heating Parts for the 1978 GMC Caballero range from $19.99 up to $52.99 for the most premium parts.
What is the average price of a Heating Part for a 1978 GMC Caballero?
The average price for Heating Parts for the 1978 GMC Caballero is $41.32. 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 Caballero model years?
What are the cheapest Heating Parts for my 1978 GMC Caballero?
The cheapest 1978 GMC Caballero Heating Parts we carry are:
- Carquest HVAC Vacuum Closed Non-Bypass Heater Valve, T74612 (12186327) – $19.99
- Carquest HVAC Vacuum Closed Non-Bypass Heater Valve, T74605 (12186298) – $36.99
- Carquest HVAC Heater Core, 399088 (5895286) – $49.99
- Carquest HVAC Heater Core, 399092 (5890551) – $52.99
Does Advance Auto Parts sell Heating Parts for any other 1978 GMC models?
Yes. We stock Heating Parts for 12 other popular 1978 GMC models. Some of the most popular are 1978 Jimmy Heating Parts, 1978 K25 Heating Parts, 1978 K15 Heating Parts, 1978 G25 Heating Parts, and 1978 C25 Heating Parts.
What are the top-rated Heating Parts that fit the 1978 GMC Caballero?
The one 1978 GMC Caballero Heating Part we have in stock is the Carquest HVAC Vacuum Closed Non-Bypass Heater Valve, T74612. It costs $19.99.
What types of Heating Parts do you sell for my 1978 GMC Caballero?
As of 8/2/26, these are some of the most in-demand types of Heating Parts for a 1978 GMC Caballero:
Can I get help with 1978 GMC Caballero 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 Caballero Heating Parts?
Advance Auto Parts keeps returns simple. For new GMC Caballero Heating Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.