1979 GMC P3500 Air Conditioning Parts

Keep Your 1979 GMC P3500 in Top Shape with Quality Air Conditioning Parts

Whether you’re repairing or upgrading your Air Conditioning Part, using high-quality parts is key to keeping your 1979 GMC P3500 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Accumulator and Receiver Driers, AC Caps and Valve Core Kits, and Expansion Valve and Orifice Tubes. 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 Air Conditioning Parts from Trusted Brands

Looking for a reliable Air Conditioning Part? We’ve got you covered with options from brands you know and trust like Factory Air, Carquest, and Carquest Premium. For example, Factory Air Air Conditioning Parts start at just $7.29 with an average 4.4 star rating. Carquest and Carquest Premium offer similar pricing and quality, backed by strong customer feedback. With over 138 reviews and a solid 4 star average, you can shop with confidence knowing other GMC P3500 owners approve.

Explore Related Parts

While you’re upgrading or replacing your Air Conditioning 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 1979 GMC P3500 in peak condition, inside and out.

Find Your Specific 1979 GMC P3500 Air Conditioning Parts

Looking for the perfect Air Conditioning Part for your 1979 GMC P3500? You’re in the right place. Below, you’ll find links to various types of Air Conditioning Parts that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Air Conditioning Parts, ensuring durability and a precise fit for your GMC P3500. Whether you’re driving a 1979 model or another popular model year like 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, and 1999, we’ve got you covered. Purchasing Air Conditioning 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 Air Conditioning Parts that fit your vehicle.

Essential 1979 GMC P3500 Air Conditioning Parts

Carquest Premium – A/C Severe Temp Automatic Adjusting Orifice Tube (Part No.T38904)

A/C Severe Temp Automatic Adjusting Orifice Tube

from

$19.99
Carquest Orifice Tubes are designed to regulate the flow of refrigerant through the air conditioning system to provide optimal cooling to the passenger compartment. Each orifice tube is manufactured to original equipment specifications to perform its function even in the harshest climates. Each part is supplied with the necessary gaskets and o-rings for installation.

Product Features:
  • Each orifice tube is tested for function and leakage according to OEM specifications to ensure optimal performance of the air conditioning system.
  • O-Rings necessary for installation are included.
  • Color coded
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(97 reviews)
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Factory Air – O-Ring & Gasket A/C System Seal Kit (Part No.26739)

O-Ring & Gasket A/C System Seal Kit

from

$7.29
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Factory Air.

Product Features:
  • All the seals needed to complete the job
  • Compatible with both R12 and R134a refrigerants
  • Application specific
  • SUV and rear air applications
  • All the seals needed to complete the job
  • Compatible with both R12 and R134a refrigerants
  • Application specific
  • SUV and rear air applications
See More

(3 reviews)
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Carquest Premium – A/C Clutch Cycle Switch (Part No.ACA1542)

A/C Clutch Cycle Switch

from

$15.79
Carquest Premium Vehicle Solutions provides high-quality solutions for a wide range of applications. The HVAC Pressure Sensor/Switch monitors the refrigerant pressure within the air conditioning system, ensuring optimal performance and preventing potential system damage, which enhances climate control and passenger comfort. Engineered for maximum performance and durability, our products are built to excel in even the most demanding conditions, ensuring reliable operation and long-lasting value.

Product Features:
  • Durable Construction: Designed with high-quality materials to withstand harsh environmental conditions, ensuring long-lasting performance in extreme temperatures, vibrations, and moisture exposure.
  • Precision Engineering: Accurate sensing and switching capabilities provide reliable performance, reducing the risk of malfunctions and improving vehicle safety and efficiency.
  • Easy Installation & Maintenance: Designed for quick installation and minimal upkeep, reducing downtime and repair costs for both manufacturers and consumers.
  • Fit/Form/Function: Each vehicle electronic component is engineered to meet or surpass OEM standards, ensuring precise fit, optimal functionality, and reliable performance.
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Carquest Premium – A/C Harness Connector (Part No.T37201)

A/C Harness Connector

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 – Electrical Harness – 2-Wire GM A/C Clutch with Diode (Part No.85143)

Electrical Harness - 2-Wire GM A/C Clutch with Diode

from

$12.49
This HVAC clutch coil connector is designed to match the appearance and function of the original hardware on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this HVAC clutch coil connector matches the appearance and function of the factory hardware on specified applications
  • Ideal solution – this connector is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Carquest Premium – Multi-Use Connector (Part No.PTA1091)

Multi-Use Connector

from

$35.99
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.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Carquest Premium – A/C New, with Clutch, with HR6 Compressor (Part No.T58964)

A/C New, with Clutch, with HR6 Compressor

from

$275.99
Carquest New Compressors are designed, manufactured and tested to meet or exceed strict original equipment specifications for superior quality and performance. Each new compressor is tested to provide durable life to the vehicle’s air conditioning system. All new compressor components are assembled using state of the art equipment and techniques to ensure smooth operation. Each part is equipped with a clutch and connector that matches the original equipment part and provides an exact replacement to your vehicle’s part. All compressors are supplied with the necessary gaskets and o-rings for installation.

Product Features:
  • Each new compressor design undergoes rigorous life cycle testing at high RPMs and pressures to ensure that they can withstand years in the harshest conditions.
  • New compressors are designed with utmost precision using 3D coordinate measuring machines to ensure a perfect fit.
  • The production process contains automated controls at every stage that alerts and halts production in case of an error, assuring that the finished product will always be flawless.
  • All new compressors must pass a helium leak test and pump up function test prior to packaging.
  • O-Rings and gaskets necessary for installation are included.
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Carquest Premium – A/C New, with Clutch, with SD7H15 Compressor (Part No.T68594)

A/C New, with Clutch, with SD7H15 Compressor

from

$366.99
Carquest New Compressors are designed, manufactured and tested to meet or exceed strict original equipment specifications for superior quality and performance. Each new compressor is tested to provide durable life to the vehicle’s air conditioning system. All new compressor components are assembled using state of the art equipment and techniques to ensure smooth operation. Each part is equipped with a clutch and connector that matches the original equipment part and provides an exact replacement to your vehicle’s part. All compressors are supplied with the necessary gaskets and o-rings for installation.

Product Features:
  • Each new compressor design undergoes rigorous life cycle testing at high RPMs and pressures to ensure that they can withstand years in the harshest conditions.
  • New compressors are designed with utmost precision using 3D coordinate measuring machines to ensure a perfect fit.
  • The production process contains automated controls at every stage that alerts and halts production in case of an error, assuring that the finished product will always be flawless.
  • All new compressors must pass a helium leak test and pump up function test prior to packaging.
  • O-Rings and gaskets necessary for installation are included.
See More
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Carquest Premium – A/C Filter Drier (Part No.T33986)

A/C Filter Drier

from

$75.99
Carquest Accumulators and Receiver Driers are designed to store, filter and dry the air conditioning refrigerant to provide proper performance and durability for the air conditioning system. They are manufactured to meet or exceed original equipment specifications.

Product Features:
  • All parts meet or exceed original equipment standards for moisture absorption, pressure and temperature resistance, air tightness, vibration resistance, corrosiveness, and pulse pressure.
  • Desiccant is 100% tested and assembled in a controlled environment to ensure performance meets or exceeds original equipment standards.
  • All accumulators and receiver driers are helium leak tested prior to packaging.
  • O-Rings necessary for installation are included.
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Carquest Premium – A/C Filter Drier (Part No.T33985)

A/C Filter Drier

from

$63.99
Carquest Accumulators and Receiver Driers are designed to store, filter and dry the air conditioning refrigerant to provide proper performance and durability for the air conditioning system. They are manufactured to meet or exceed original equipment specifications.

Product Features:
  • All parts meet or exceed original equipment standards for moisture absorption, pressure and temperature resistance, air tightness, vibration resistance, corrosiveness, and pulse pressure.
  • Desiccant is 100% tested and assembled in a controlled environment to ensure performance meets or exceeds original equipment standards.
  • All accumulators and receiver driers are helium leak tested prior to packaging.
  • O-Rings necessary for installation are included.
See More
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Factory Air – Compressor Mounted Low Cut-Out Pressure Switch (Part No.35756)

Compressor Mounted Low Cut-Out Pressure Switch

from

$34.49
High quality OE replacement part with all components needed to complete the job

Product Features:
  • Contains gaskets, O-rings, or seals to properly replace the product
  • Color coded for easy identification
  • Zinc coated to resist corrosion
  • Improved 2 terminal design replacing older 1 terminal switch
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(3 reviews)
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Factory Air – Green Round O-Ring (sold by each) (Part No.24650)

Green Round O-Ring (sold by each)

from

$1.99
Made from HNBR material; Compatible with R12 And R134A; High quality construction; Universal applications
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Factory Air – Green Round O-Ring (sold by each) (Part No.24615)

Green Round O-Ring (sold by each)

from

$1.99
Made from HNBR material; Compatible with R12 And R134A; High quality construction; Universal applications
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Factory Air – Compressor Mounted Low Cut-Out Pressure Switch (Part No.35973)

Compressor Mounted Low Cut-Out Pressure Switch

from

$31.49
High quality OE replacement part with all components needed to complete the job

Product Features:
  • Contains gaskets, O-rings, or seals to properly replace the product
  • Color coded for easy identification
  • Zinc coated to resist corrosion
  • Improved 2 terminal design replacing older 1 terminal switch
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(14 reviews)
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Factory Air – Compressor Mounted High Cut-Out Pressure Switch (Part No.35974)

Compressor Mounted High Cut-Out Pressure Switch

from

$36.99
High quality OE replacement part with all components needed to complete the job

Product Features:
  • Contains gaskets, O-rings, or seals to properly replace the product
  • Color coded for easy identification
  • Zinc coated to resist corrosion
  • Improved 2 terminal design replacing older 1 terminal switch
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(10 reviews)
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ACDelco – Multi-Purpose Pigtail (Part No.PT2319)

Multi-Purpose Pigtail

from

$53.99
ACDelco Professional Throttle Position Sensor Connector is a high quality aftermarket replacement component for one or more of the following vehicle systems: ignition, starting and charging, body-electrical and lighting, and/or engine fuel management. This premium aftermarket connector is manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
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Carquest Premium – Multi-Use Connector (Part No.PTA1329)

Multi-Use Connector

from

$19.99
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.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More
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Carquest Premium – Multi-Use Connector (Part No.PTA1269)

Multi-Use Connector

from

$5.29
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.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Carquest Standard – Remanufactured GM R4 Heavy Compressor with Clutch (Part No.DW57231)

Remanufactured GM R4 Heavy Compressor with Clutch

from

$207.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Carquest.

Product Features:
  • Built in a TS16949 certified manufacturing environment to ensure consistent quality that meets or exceeds OE specifications for fit, form, function and durability
  • All remanufactured compressors are built using the latest compressor technology available today and using strict remanufacturing processes
  • All units have new seals, O-rings, gaskets and clutch bearings
  • Tested for noise, vibration, durability, vacuum decay and pressure decay to ensure no leaks and longer life
  • Remanufactured compressors are 100 percent tested to ensure compressor function and noise level meets or exceeds OE specifications
  • Remanufactured compressors come pre-charged with 3 ounces of PAG oil for R134a or R1234yf applications
  • Remanufactured compressors are individually vacuum and pressure tested to ensure no leaks
  • Remanufactured compressors come with the R12/R134A/1234yf required O-rings /sealing washers to install the compressor
  • Remanufactured Compressors are built in a ISO9001:2015 Certified facility to ensure consistent quality standards in the Re-manufacturing process
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(4 reviews)
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Carquest Premium – A/C New, with Clutch, with SD510HD Compressor (Part No.T58559)

A/C New, with Clutch, with SD510HD Compressor

from

$342.99
Carquest New Compressors are designed, manufactured and tested to meet or exceed strict original equipment specifications for superior quality and performance. Each new compressor is tested to provide durable life to the vehicle’s air conditioning system. All new compressor components are assembled using state of the art equipment and techniques to ensure smooth operation. Each part is equipped with a clutch and connector that matches the original equipment part and provides an exact replacement to your vehicle’s part. All compressors are supplied with the necessary gaskets and o-rings for installation.

Product Features:
  • Each new compressor design undergoes rigorous life cycle testing at high RPMs and pressures to ensure that they can withstand years in the harshest conditions.
  • New compressors are designed with utmost precision using 3D coordinate measuring machines to ensure a perfect fit.
  • The production process contains automated controls at every stage that alerts and halts production in case of an error, assuring that the finished product will always be flawless.
  • All new compressors must pass a helium leak test and pump up function test prior to packaging.
  • O-Rings and gaskets necessary for installation are included.
See More
View Product

National – Multi-Purpose Bearing (Part No.907257)

Multi-Purpose Bearing

from

$48.99
Product Features:
  • BUILT TO LAST: Advanced heat treatment process for strength
  • PREMIUM MATERIALS: Precision manufactured using premium-grade steel for lasting performance and extended bearing life
  • RELIABLE PERFORMANCE: Element size and quantity are engineered to meet or exceed the load rating of OE bearings
  • COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
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National – Multi-Purpose Bearing (Part No.5001-KFF)

Multi-Purpose Bearing

from

$37.49
Product Features:
  • BUILT TO LAST: Advanced heat treatment process for strength
  • PREMIUM MATERIALS: Precision manufactured using premium-grade steel for lasting performance and extended bearing life
  • RELIABLE PERFORMANCE: Element size and quantity are engineered to meet or exceed the load rating of OE bearings
  • COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
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Driveworks – Ball Bearing (Part No.S-907257)

Ball Bearing

from

$22.49
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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(4 reviews)
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National – Multi-Purpose Bearing (Part No.S-128)

Multi-Purpose Bearing

from

$12.49
Product Features:
  • RIGHT TYPE: Needle bearings are application-specific for the repair occasion, using either caged or full complement designs
  • PREMIUM MATERIALS: Precision manufactured using high-quality materials for outstanding durability and performance
  • OE-STYLE DESIGN: Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
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Factory Air – Cap & Valve A/C System Seal Kit (Part No.26783)

Cap & Valve A/C System Seal Kit

from

$21.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Factory Air.

Product Features:
  • All the seals needed to complete the job
  • Compatible with both R12 and R134a refrigerants
  • SUV and rear air applications
  • Application specific
  • All the seals needed to complete the job
  • Compatible with both R12 and R134a refrigerants
  • SUV and rear air applications
  • Application specific
See More

(29 reviews)
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Factory Air – Cap & Valve A/C System Seal Kit (Part No.26775)

Cap & Valve A/C System Seal Kit

from

$18.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Factory Air.

Product Features:
  • All the seals needed to complete the job
  • Compatible with both R12 and R134a refrigerants
  • SUV and rear air applications
  • Application specific
  • All the seals needed to complete the job
  • Compatible with both R12 and R134a refrigerants
  • SUV and rear air applications
  • Application specific
See More

(26 reviews)
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Carquest Premium – A/C Valve Core/Cap (Part No.T26775)

A/C Valve Core/Cap

from

$18.99
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
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Carquest Premium – A/C Valve Core/Cap (Part No.T26777)

A/C Valve Core/Cap

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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Popular 1979 GMC P3500 Air Conditioning Parts Categories

AC Compressor With Clutch
AC Compressor With Clutch
AC Compressor Without Clutch
AC Compressor Without Clutch
AC Harness Connectors
AC Harness Connectors
AC Line O-Rings
AC Line O-Rings
AC Caps and Valve Core Kits
AC Caps and Valve Core Kits
AC Compressor Cut-Out Relay Harness Connectors
AC Compressor Cut-Out Relay Harness Connectors
AC Clutch Coil Connectors
AC Clutch Coil Connectors
Accumulator and Receiver Driers
Accumulator and Receiver Driers
AC Clutch Bearings
AC Clutch Bearings
Expansion Valve and Orifice Tubes
Expansion Valve and Orifice Tubes
AC High Pressure Side Switches
AC High Pressure Side Switches
AC Compressor Cut-Off Switches
AC Compressor Cut-Off Switches
AC Switch Connectors
AC Switch Connectors
AC Compressor Pressure Switches
AC Compressor Pressure Switches
AC Compressor Thrust Bearings
AC Compressor Thrust Bearings
AC Compressor Seals
AC Compressor Seals

Most Popular Accumulator and Receiver Drier for 1979 GMC P3500s

Enhance your 1979 GMC P3500 with this popular Accumulator and Receiver Drier we have in stock, for $26.99.
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Carquest Premium – A/C Filter Drier (Part No.T33211)

A/C Filter Drier

from

$26.99
Carquest Accumulators and Receiver Driers are designed to store, filter and dry the air conditioning refrigerant to provide proper performance and durability for the air conditioning system. They are manufactured to meet or exceed original equipment specifications.

Product Features:
  • All parts meet or exceed original equipment standards for moisture absorption, pressure and temperature resistance, air tightness, vibration resistance, corrosiveness, and pulse pressure.
  • Desiccant is 100% tested and assembled in a controlled environment to ensure performance meets or exceeds original equipment standards.
  • All accumulators and receiver driers are helium leak tested prior to packaging.
  • O-Rings necessary for installation are included.
See More

(4 reviews)
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Best-Selling 1979 GMC P3500 AC Caps and Valve Core Kit

Upgrade your P3500 with our best-selling AC Caps and Valve Core Kit.
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Carquest Premium – A/C Valve Core/Cap (Part No.T26777)

A/C Valve Core/Cap

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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Top-Quality Expansion Valve and Orifice Tubes for 1979 GMC P3500s

Choose a high-quality OEM or aftermarket Expansion Valve and Orifice Tube for GMC P3500s and enjoy top-notch performance from $25.99.
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Carquest Premium – A/C TXV O-Ring Expansion Valve (Part No.T38683)

A/C TXV O-Ring Expansion Valve

from

$25.99
Carquest Expansion Valves are designed to regulate the flow of refrigerant through the air conditioning system to provide optimal cooling to the passenger compartment. Each expansion valve is manufactured to original equipment specifications to perform its function even in the harshest climates. Each part is supplied with the necessary gaskets and o-rings for installation.

Product Features:
  • The bodies of these expansion valves are machined from a single block of aluminum or brass metal.
  • Each expansion valve has settings for tonnage and superheat based on the vehicle specifications.
  • Each expansion valve is tested for function and leakage according to OEM specifications to ensure optimal performance of the air conditioning system.
  • O-Rings necessary for installation are included.
  • O-Rings necessary for installation are included.
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Top Picks for 1979 GMC P3500 AC Compressor Without Clutch

Invest in one of our 3 durable AC Compressor Without Clutch for your 1979 GMC, knowing you’re getting trusted brands and expert craftsmanship.
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Carquest Standard – Reman GM A6 Compressor w/ Clutch (Part No.DW57098)

Reman GM A6 Compressor w/ Clutch

from

$371.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Carquest.

Product Features:
  • Built in a TS16949 certified manufacturing environment to ensure consistent quality that meets or exceeds OE specifications for fit, form, function and durability
  • All remanufactured compressors are built using the latest compressor technology available today and using strict remanufacturing processes
  • All units have new seals, O-rings, gaskets and clutch bearings
  • Tested for noise, vibration, durability, vacuum decay and pressure decay to ensure no leaks and longer life
  • Remanufactured compressors are 100 percent tested to ensure compressor function and noise level meets or exceeds OE specifications
  • Remanufactured compressors come pre-charged with 3 ounces of PAG oil for R134a or R1234yf applications
  • Remanufactured compressors are individually vacuum and pressure tested to ensure no leaks
  • Remanufactured compressors come with the R12/R134A/1234yf required O-rings /sealing washers to install the compressor
  • Remanufactured Compressors are built in a ISO9001:2015 Certified facility to ensure consistent quality standards in the Re-manufacturing process
See More

(1 reviews)
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Carquest Standard – Reman GM A6 Compressor w/ Clutch (Part No.DW57089)

Reman GM A6 Compressor w/ Clutch

from

$321.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Carquest.

Product Features:
  • Built in a TS16949 certified manufacturing environment to ensure consistent quality that meets or exceeds OE specifications for fit, form, function and durability
  • All remanufactured compressors are built using the latest compressor technology available today and using strict remanufacturing processes
  • All units have new seals, O-rings, gaskets and clutch bearings
  • Tested for noise, vibration, durability, vacuum decay and pressure decay to ensure no leaks and longer life
  • Remanufactured compressors are 100 percent tested to ensure compressor function and noise level meets or exceeds OE specifications
  • Remanufactured compressors come pre-charged with 3 ounces of PAG oil for R134a or R1234yf applications
  • Remanufactured compressors are individually vacuum and pressure tested to ensure no leaks
  • Remanufactured compressors come with the R12/R134A/1234yf required O-rings /sealing washers to install the compressor
  • Remanufactured Compressors are built in a ISO9001:2015 Certified facility to ensure consistent quality standards in the Re-manufacturing process
See More

(8 reviews)
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Carquest Standard – Remanufactured GM R4 Heavy Compressor with Clutch (Part No.DW57231)

Remanufactured GM R4 Heavy Compressor with Clutch

from

$207.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Carquest.

Product Features:
  • Built in a TS16949 certified manufacturing environment to ensure consistent quality that meets or exceeds OE specifications for fit, form, function and durability
  • All remanufactured compressors are built using the latest compressor technology available today and using strict remanufacturing processes
  • All units have new seals, O-rings, gaskets and clutch bearings
  • Tested for noise, vibration, durability, vacuum decay and pressure decay to ensure no leaks and longer life
  • Remanufactured compressors are 100 percent tested to ensure compressor function and noise level meets or exceeds OE specifications
  • Remanufactured compressors come pre-charged with 3 ounces of PAG oil for R134a or R1234yf applications
  • Remanufactured compressors are individually vacuum and pressure tested to ensure no leaks
  • Remanufactured compressors come with the R12/R134A/1234yf required O-rings /sealing washers to install the compressor
  • Remanufactured Compressors are built in a ISO9001:2015 Certified facility to ensure consistent quality standards in the Re-manufacturing process
See More

(4 reviews)
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Top-Rated AC Compressor With Clutch for 1979 GMC P3500s

Make a smart move for your 1979 GMC P3500 with products all priced from $305.99 to $493.99.
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Carquest Premium – New GM R4 Heavy Compressor with Clutch (Part No.T58231)

New GM R4 Heavy Compressor with Clutch

from

$305.99
Manufactured Compressors are built in a ISO9001:2015 Certified facility to ensure consistent quality standards in the manufacturing process.

Product Features:
  • Each new compressor design undergoes rigorous life cycle testing at high RPMs and pressures to ensure that they can withstand years in the harshest conditions.
  • New compressors are designed with utmost precision using 3D coordinate measuring machines to ensure a perfect fit.
  • The production process contains automated controls at every stage that alerts and halts production in case of an error, assuring that the finished product will always be flawless.
  • All new compressors must pass a helium leak test and pump up function test prior to packaging.
  • O-Rings and gaskets necessary for installation are included.
See More

(3 reviews)
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Carquest Premium – New GM A6 Compressor with Clutch (Part No.T58098)

New GM A6 Compressor with Clutch

from

$493.99
New Compressors are built in a ISO9001:2015 Certified facility. These facilities go through several audits to ensure quality standards in the manufacturing process.

Product Features:
  • All compressors go through sophisticated testing and leak test processes
  • Includes specific electrical connector to eliminate splicing
  • For ease of installation this compressor includes all gaskets, O-rings or sealing washers needed to repair your car
  • Built in a TS16949 certified manufacturing environment to ensure consistent quality that meets or exceeds OE specifications for fit, form, function, and durability
  • New Compressors meet or exceed OE specifications
  • New Compressors are validated for the equivalent of 100,000 miles
  • New Compressors come pre-charged with 3 ounces of PAG oil for R134a or R1234yf applications
  • New Compressors come with direct fit connectors for ease of installation and to help eliminate splicing
  • New Compressors come with the R12/R134A/1234yf required O-rings /sealing washers to install the compressor
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Top-Rated Air Conditioning Part Brands For Your 1979 GMC P3500

When it comes to finding the perfect Air Conditioning Part for your 1979 GMC P3500, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 7 trusted brands. We carry the most popular Air Conditioning Part brands including Factory Air, Carquest, and Carquest Premium, and more, all known for their exceptional customer ratings (average brand rating of 4.4 stars) and competitive prices, as low as $7.29. Purchasing a Air Conditioning Part from us here at Advance Auto Parts is a smart move for both you and your 1979 GMC P3500, providing peace of mind with parts that meet or exceed OEM standards.

Popular Factory Air 1979 GMC P3500 Air Conditioning Parts

If you’re looking for a top-quality Air Conditioning Part for your 1979 GMC P3500, Advance Auto Parts has exactly what you need with our selection of Factory Air Air Conditioning Parts. We have 3 Factory Air Air Conditioning Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $7.29 and an average cost of $26.26, you’ll find the perfect Air Conditioning Part for your needs and budget. Factory Air Air Conditioning Parts for the 1979 GMC P3500 come highly rated, with over 16 customer reviews and an impressive average rating of 4.4 stars. Choosing a Factory Air Air Conditioning Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
O-Ring & Gasket A/C System Seal Kit
from $7.29
(3)
O-Ring & Gasket A/C System Seal Kit
“Thx”
Compressor Mounted High Cut-Out Pressure Switch
from $36.99
(10)
Compressor Mounted High Cut-Out Pressure Switch
“AC high pressure switch work perfect”
Compressor Mounted Low Cut-Out Pressure Switch
from $34.49
(3)
Compressor Mounted Low Cut-Out Pressure Switch
“Fit and wAS EASE TO INSTALL.”

Top-Quality Carquest 1979 GMC P3500 Air Conditioning Parts

For those in search of a high-quality Air Conditioning Part for their 1979 GMC P3500, Advance Auto Parts offers a great selection of Carquest Air Conditioning Parts. With 2 Carquest Air Conditioning Parts in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Air Conditioning Parts start at just $321.99, with an average price of $346.99, giving you a range of options to suit your budget. Backed by over 9 customer ratings and an average rating of 4.4 stars, Carquest Air Conditioning Parts provide both reliability and excellent performance. Choosing a Carquest Air Conditioning Part from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Reman GM A6 Compressor w/ Clutch
from $371.99
(1)
Reman GM A6 Compressor w/ Clutch
“A great quality remanufactured A/C compressor.”
Reman GM A6 Compressor w/ Clutch
from $321.99
(8)
Reman GM A6 Compressor w/ Clutch
“This compressor brought my 71 Camaro’s A/C back to life. Came with a two year warranty and a good price what more could you want.”

FAQs for 1979 GMC P3500 Air Conditioning Parts

What are the best-selling Air Conditioning Parts for 1979 GMC P3500s?

Out of 26 Air Conditioning Parts that fit 1979 GMC P3500s, the following parts are the top sellers:

What’s the price range for 1979 GMC P3500 Air Conditioning Parts?

The prices of Air Conditioning Parts for the 1979 GMC P3500 range from $1.99 up to $493.99 for the most premium parts.

What is the average price of an Air Conditioning Part for a 1979 GMC P3500?

The average price for Air Conditioning Parts for the 1979 GMC P3500 is $83.92. Keep in mind the variety of part types within our Air Conditioning 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 Air Conditioning Parts for other GMC P3500 model years?

Yes, we carry Air Conditioning Parts for 19 model years of GMC P3500s between 1980 and 1999. The following model years are the most popular for Air Conditioning Part purchases: 1999, 1998, 1997, 1996, 1995, 1994, 1993, 1992, and 1991.

What are the cheapest Air Conditioning Parts for my 1979 GMC P3500?

The cheapest 1979 GMC P3500 Air Conditioning Parts we carry are:

Does Advance Auto Parts sell Air Conditioning Parts for any other 1979 GMC models?

Yes. We stock Air Conditioning Parts for 16 other popular 1979 GMC models. Some of the most popular are 1979 Jimmy Air Conditioning Parts, 1979 K2500 Air Conditioning Parts, 1979 C2500 Air Conditioning Parts, 1979 K1500 Air Conditioning Parts, and 1979 C1500 Air Conditioning Parts.

What are the top-rated Air Conditioning Parts that fit the 1979 GMC P3500?

Based on 138 reviews by customers, our 1979 GMC P3500 Air Conditioning Parts have an average customer rating of 4 stars. These are the highest-rated categories of Air Conditioning Parts for the 1979 GMC P3500 and their top-rated products:

What types of Air Conditioning Parts do you sell for my 1979 GMC P3500?

As of 11/2/25, these are some of the most in-demand types of Air Conditioning Parts for a 1979 GMC P3500:

Can I get help with 1979 GMC P3500 Air Conditioning Part orders?

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

What is your return policy for GMC P3500 Air Conditioning Parts?

Advance Auto Parts keeps returns simple. For new GMC P3500 Air Conditioning Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

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