1998 GMC C3500 HVAC Electrical Parts

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Keep Your 1998 GMC C3500 in Top Shape with Quality HVAC Electrical Parts

Whether you’re repairing or upgrading your HVAC Electrical Part, using high-quality parts is key to keeping your 1998 GMC C3500 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including HVAC Air Mode Valve Actuator Connector, AC and Heater Wiring Connector, and HVAC Pressure Sensor Connector. 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 HVAC Electrical 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 1998 GMC C3500 in peak condition, inside and out.

Essential 1998 GMC C3500 HVAC Electrical Parts

Carquest Premium – Carquest Multi-Use Connector, PTA1737 (Part No.PTA1737)

Carquest Multi-Use Connector, PTA1737

from

$12.49
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
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GM Genuine Parts – GM Genuine Parts 2-Way Female Black Multi-Purpose Pigtail, PT124 (Part No.PT124)

GM Genuine Parts 2-Way Female Black Multi-Purpose Pigtail, PT124

from

$43.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
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Carquest Premium – Carquest Engine Cooling Fan Motor Relay Connector, T37232 (Part No.T37232)

Carquest Engine Cooling Fan Motor Relay Connector, T37232

from

$24.99
Carquest A/C Accessories provide a comprehensive offering of premium quality fittings and tools to service all aspects of an a/c service from the most simple fitting replacement to complex diagnostics required for late model applications.
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Carquest Premium – Carquest A/C Compressor Wiring Harness, T37215 (Part No.T37215)

Carquest A/C Compressor Wiring Harness, T37215

from

$20.99
Carquest A/C Accessories provide a comprehensive offering of premium quality fittings and tools to service all aspects of an a/c service from the most simple fitting replacement to complex diagnostics required for late model applications.
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Carquest Premium – Carquest A/C Compressor Wiring Harness, T37201 (Part No.T37201)

Carquest A/C Compressor Wiring Harness, T37201

from

$20.79
Carquest A/C Accessories provide a comprehensive offering of premium quality fittings and tools to service all aspects of an a/c service from the most simple fitting replacement to complex diagnostics required for late model applications.
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Carquest Premium – Carquest A/C Compressor Wiring Harness, T37218 (Part No.T37218)

Carquest A/C Compressor Wiring Harness, T37218

from

$20.79
Carquest A/C Accessories provide a comprehensive offering of premium quality fittings and tools to service all aspects of an a/c service from the most simple fitting replacement to complex diagnostics required for late model applications.
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Dorman – Dorman Climate Control Module, 599-006 (Part No.599-006)

Dorman Climate Control Module, 599-006

from

$219.99
When the factory climate control module is damaged or malfunctioning on specified Cadillac, GMC and Chevrolet pickup trucks and SUVs, this all-new construction module is designed to seamlessly restore all the features of the originally installed module. Assembled in the USA and engineered with quality components to match the fit and performance of the factory unit, this direct replacement module will help ensure a professional, complete repair. This application-specific part is only for specified vehicles that were originally equipped with a rear window defroster feature.
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Dorman – Dorman Climate Control Module, 599-007 (Part No.599-007)

Dorman Climate Control Module, 599-007

from

$256.99
When the original equipment climate control module is damaged or malfunctioning on specified Cadillac, GMC and Chevrolet pickup trucks and SUVs, this all-new construction module is designed to seamlessly restore all the features of the originally installed module. Assembled in the USA and engineered with quality components to match the fit and performance of the factory unit, this direct replacement module will help ensure a professional, complete repair. This application-specific part is only for specified vehicles that were originally not equipped with a rear window defroster feature.
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Dorman – Dorman Remanufactured Climate Control Module, 599-012 (Part No.599-012)

Dorman Remanufactured Climate Control Module, 599-012

from

$277.99
Seamlessly restore operation by easily swapping the malfunctioning original module with this fully tested replacement unit.
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Most Popular HVAC Air Mode Valve Actuator Connector for 1998 GMC C3500s

Enhance your 1998 GMC C3500 with this popular HVAC Air Mode Valve Actuator Connector we have in stock, for $12.49.

Carquest Premium – Carquest Multi-Use Connector, PTA1737 (Part No.PTA1737)

Carquest Multi-Use Connector, PTA1737

from

$12.49
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
See More

Best-Selling 1998 GMC C3500 AC and Heater Wiring Connector

Upgrade your C3500 with one of our 3 best-selling AC and Heater Wiring Connector.

Carquest Premium – Carquest Engine Cooling Fan Motor Relay Connector, T37232 (Part No.T37232)

Carquest Engine Cooling Fan Motor Relay Connector, T37232

from

$24.99
Carquest A/C Accessories provide a comprehensive offering of premium quality fittings and tools to service all aspects of an a/c service from the most simple fitting replacement to complex diagnostics required for late model applications.
See More

Carquest Premium – Carquest A/C Compressor Wiring Harness, T37215 (Part No.T37215)

Carquest A/C Compressor Wiring Harness, T37215

from

$20.99
Carquest A/C Accessories provide a comprehensive offering of premium quality fittings and tools to service all aspects of an a/c service from the most simple fitting replacement to complex diagnostics required for late model applications.
See More

Carquest Premium – Carquest A/C Compressor Wiring Harness, T37218 (Part No.T37218)

Carquest A/C Compressor Wiring Harness, T37218

from

$20.79
Carquest A/C Accessories provide a comprehensive offering of premium quality fittings and tools to service all aspects of an a/c service from the most simple fitting replacement to complex diagnostics required for late model applications.
See More

Top-Quality HVAC Pressure Sensor Connector for 1998 GMC C3500s

Choose a high-quality OEM or aftermarket HVAC Pressure Sensor Connector for GMC C3500s and enjoy top-notch performance from $43.99.

GM Genuine Parts – GM Genuine Parts 2-Way Female Black Multi-Purpose Pigtail, PT124 (Part No.PT124)

GM Genuine Parts 2-Way Female Black Multi-Purpose Pigtail, PT124

from

$43.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
See More

Top Picks for 1998 GMC C3500 Climate Control Modules

Invest in one of our 2 durable Climate Control Modules for your 1998 GMC, knowing you’re getting trusted brands and expert craftsmanship.

Dorman – Dorman Climate Control Module, 599-007 (Part No.599-007)

Dorman Climate Control Module, 599-007

from

$256.99
When the original equipment climate control module is damaged or malfunctioning on specified Cadillac, GMC and Chevrolet pickup trucks and SUVs, this all-new construction module is designed to seamlessly restore all the features of the originally installed module. Assembled in the USA and engineered with quality components to match the fit and performance of the factory unit, this direct replacement module will help ensure a professional, complete repair. This application-specific part is only for specified vehicles that were originally not equipped with a rear window defroster feature.
See More

Dorman – Dorman Climate Control Module, 599-006 (Part No.599-006)

Dorman Climate Control Module, 599-006

from

$219.99
When the factory climate control module is damaged or malfunctioning on specified Cadillac, GMC and Chevrolet pickup trucks and SUVs, this all-new construction module is designed to seamlessly restore all the features of the originally installed module. Assembled in the USA and engineered with quality components to match the fit and performance of the factory unit, this direct replacement module will help ensure a professional, complete repair. This application-specific part is only for specified vehicles that were originally equipped with a rear window defroster feature.
See More

FAQs for 1998 GMC C3500 HVAC Electrical Parts

What are the best-selling HVAC Electrical Parts for 1998 GMC C3500s?

Out of 7 HVAC Electrical Parts that fit 1998 GMC C3500s, the following parts are the top sellers:

What’s the price range for 1998 GMC C3500 HVAC Electrical Parts?

The prices of HVAC Electrical Parts for the 1998 GMC C3500 range from $12.49 up to $256.99 for the most premium parts.

What is the average price of an HVAC Electrical Part for a 1998 GMC C3500?

The average price for HVAC Electrical Parts for the 1998 GMC C3500 is $85.75. Keep in mind the variety of part types within our HVAC Electrical 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 HVAC Electrical Parts for other GMC C3500 model years?

Yes, we carry HVAC Electrical Parts for 18 model years of GMC C3500s between 1979 and 1999. The following model years are the most popular for HVAC Electrical Part purchases: 1999, 1997, 1996, 1995, 1994, 1993, 1992, 1991, and 1990.

What are the cheapest HVAC Electrical Parts for my 1998 GMC C3500?

The cheapest 1998 GMC C3500 HVAC Electrical Parts we carry are:

Does Advance Auto Parts sell HVAC Electrical Parts for any other 1998 GMC models?

Yes. We stock HVAC Electrical Parts for 15 other popular 1998 GMC models. Some of the most popular are 1998 Yukon HVAC Electrical Parts, 1998 Savana 1500 HVAC Electrical Parts, 1998 Savana 2500 HVAC Electrical Parts, 1998 Jimmy HVAC Electrical Parts, and 1998 K2500 HVAC Electrical Parts.

What types of HVAC Electrical Parts do you sell for my 1998 GMC C3500?

As of 8/2/26, these are some of the most in-demand types of HVAC Electrical Parts for a 1998 GMC C3500:

Can I get help with 1998 GMC C3500 HVAC Electrical Part orders?

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

What is your return policy for GMC C3500 HVAC Electrical Parts?

Advance Auto Parts keeps returns simple. For new GMC C3500 HVAC Electrical Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.