1979 GMC P3500 Air Conditioning Parts

Name: Factory Air Cap & Valve A/C System Seal Kit, 26775
Brand: Factory Air
SKU: 26775
Price: 18.99 USD
Rating: 4.0 (26 reviews)

Please Select your Vehicle to See Exact Fit 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, Expansion Valve and Orifice Tubes, and AC Line O-Rings. 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 117 reviews and a solid 3.8 star average, you can shop with confidence knowing other GMC P3500 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1979 GMC P3500 Air Conditioning Part at Advance Auto Parts is around $72.20, with a range that starts at $0.65 and goes up to $496.99. With 28 options in stock from 8 trusted brands, finding the right fit is easy. Popular picks like Factory Air Green Round O-Ring (Sold by each), 24650, Carquest A/C Compressor, T58231, and Driveworks Ball Bearing, S-907257 start at just $0.95 and offer a great balance of form and function.

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.

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

Factory Air Cap & Valve A/C System Seal Kit, 26775

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.

Factory Air O-Ring & Gasket A/C System Seal Kit, 26743

from

$15.49

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.

Schaeffler Bearing - DGBB (Deep Groove Ball Bearing), 5908-VAW

from

$45.99

We develop and produce high-quality roller bearings, spherical bearings, and plain bearings worldwide for a wide range of applications.

Driveworks Multi-Purpose Bearing, SL-203-FF

from

$13.49

Carquest Standard Bearings provide OE fit, form and function

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.

from

$29.99

Factory Air Compressor Mounted High Cut-Out Pressure Switch, 35974

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$36.99

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

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$32.99

The Carquest Premium line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Switch monitors system pressures, aiding in proper and efficient control of the compressor, fans and system levels. An improperly functioning A/C Pressure Switch will provide erratic or inaccurate actuation and operation, severely affecting system performance and function. Without reliable and accurate actuation from a properly functioning A/C Pressure Switch, critical components and the system as a whole are left unregulated and unprotected which can lead to excessive wear and tear on critical components and costly system damage.

Omega Environmental Tech Rapid Seal Kit, MT2555

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$5.69

Our Rapid Seal Kits are manufactured from the highest quality materials and designed for long life under extreme conditions.

Factory Air Green Round O-Ring (Sold by each), 24615

from

$2.29

Made from HNBR material; Compatible with R12 And R134A; High quality construction; Universal applications

from

$17.99

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.

from

$14.49

This HVAC switch 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.

Carquest A/C Compressor, New, with Clutch, with HR6 Compressor, T58964

from

$277.99

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.

Carquest Remanufactured GM DA6, HR6, HE6 Compressor with Clutch, DW57963

from

$249.99

Remanufactured Compressors are built in a ISO9001:2015 Certified facility to ensure consistent quality standards in the Re-manufacturing process.

Factory Air Green Oval O-Ring (Sold by each), 24619

from

$1.99

Made from HNBR material; Compatible with R12 And R134A; High quality construction; Universal applications

Factory Air Green Round O-Ring (Sold by each), 24650

from

$1.99

Made from HNBR material; Compatible with R12 And R134A; High quality construction; Universal applications

from

$29.49

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.

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$28.49

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.

Carquest A/C System Valve Core and Cap Kit, T26778

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$42.99

Carquest A/C Accessories are designed for optimal performance to protect your air conditioning parts and systems from unwanted leaks. They are designed to seal each connection with premium quality material and exact measurements.

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$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.

Carquest A/C Compressor Cut-Out Switch, ACA1257

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$30.99

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.

Carquest Air Conditioner Compressor Cut-Out Switch, ACA1256

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$20.79

from

$35.99

from

$37.99

from

$22.49

Value-priced bearing meets all cataloged application requirements.

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$12.49

Manufactured with premium materials, National needle bearings are designed and engineered to meet OE specifications.

Carquest A/C Evaporator Core Repair Kit, T16149

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$26.99

Carquest A/C Evaporator Core Repair Kit, T16152

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$23.99

Popular 1979 GMC P3500 Air Conditioning Parts Categories

AC Compressor Without Clutch

AC Harness Connectors

AC Line O-Rings

AC Caps and Valve Core Kits

Accumulator and Receiver Driers

AC Clutch Bearings

AC O-Ring and Gasket Kits

AC Evaporator Repair Kits

Expansion Valve and Orifice Tubes

AC High Pressure Side Switches

AC Compressor Cut-Off Switches

AC Switch Connectors

AC Compressor Thrust Bearings

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 $29.99.

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from

$29.99

Best-Selling 1979 GMC P3500 Expansion Valve and Orifice Tube

Upgrade your P3500 with our best-selling Expansion Valve and Orifice Tube.

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from

$24.99

Top-Quality AC Line O-Rings for 1979 GMC P3500s

Choose a high-quality OEM or aftermarket AC Line O-Ring for GMC P3500s and enjoy top-notch performance from $20.99.

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Factory Air Cap & Valve A/C System Seal Kit, 26777

from

$20.99

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.

Top Picks for 1979 GMC P3500 AC O-Ring and Gasket Kits

Invest in one of our 3 durable AC O-Ring and Gasket Kits for your 1979 GMC, knowing you’re getting trusted brands and expert craftsmanship.

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Factory Air O-Ring & Gasket A/C System Seal Kit, 26739

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.

from

$2.29

Made from HNBR material; Compatible with R12 And R134A; High quality construction; Universal applications

Factory Air Green Round O-Ring (Sold by each), 24623

from

$1.99

Made from HNBR material; Compatible with R12 And R134A; High quality construction; Universal applications

Top-Rated AC Compressor Without Clutch for 1979 GMC P3500s

Make a smart move for your 1979 GMC P3500 with products all priced from $311.99 to $496.99.

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Carquest Reman GM A6 Compressor w/ Clutch, DW57098

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$373.99

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.

Carquest Reman GM A6 Compressor w/ Clutch, DW57089

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.

from

$311.99

Carquest New GM A6 Compressor with Clutch, T58098

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$496.99

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

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 8 trusted brands. We carry the most popular Air Conditioning Part brands including Carquest Premium, Factory Air, and Carquest, and more, all known for their exceptional customer ratings (average brand rating of 4.5 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 Carquest Premium 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 Carquest Premium Air Conditioning Parts. We have 1 Carquest Premium Air Conditioning Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $29.99, you’ll find the perfect Air Conditioning Part for your needs and budget. Carquest Premium Air Conditioning Parts for the 1979 GMC P3500 come highly rated, with over 4 customer reviews and an impressive average rating of 4.5 stars. Choosing a Carquest Premium Air Conditioning Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

from $29.99

(4)

Carquest A/C Receiver Drier, T33211

“Exact fit for my needs.”

Top-Quality Factory Air 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 Factory Air Air Conditioning Parts. With 3 Factory Air 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 $7.29, with an average price of $21.76, giving you a range of options to suit your budget. Backed by over 19 customer ratings and an average rating of 4.4 stars, Factory Air Air Conditioning Parts provide both reliability and excellent performance. Choosing a Factory Air Air Conditioning Part from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.

from $7.29

(3)

Factory Air O-Ring & Gasket A/C System Seal Kit, 26739

“Thx”

from $20.99

(6)

Factory Air Cap & Valve A/C System Seal Kit, 26777

“Good product and price.”

from $18.45

(10)

Factory Air Compressor Mounted High Cut-Out Pressure Switch, 35974

“AC high pressure switch work perfect”

FAQs for 1979 GMC P3500 Air Conditioning Parts

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

Out of 28 Air Conditioning Parts that fit 1979 GMC P3500s, the following parts are the top sellers:

Factory Air Green Round O-Ring (Sold by each), 24650 (18890169) – $1.99
Carquest A/C Compressor, T58231 (18892563) – $311.99
Driveworks Ball Bearing, S-907257 (5052882) – $22.49

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 $0.65 up to $496.99 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 $72.20. 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:

Factory Air Green Round O-Ring (Sold by each), 24650 (18890169) – $1.99
Factory Air Green Oval O-Ring (Sold by each), 24619 (18893146) – $1.99
Factory Air Green Round O-Ring (Sold by each), 24623 (18890849) – $1.99
Factory Air Green Round O-Ring (Sold by each), 24615 (18890821) – $2.29
Factory Air O-Ring & Gasket A/C System Seal Kit, 26739 (15890322) – $7.29

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 117 reviews by customers, our 1979 GMC P3500 Air Conditioning Parts have an average customer rating of 3.8 stars. These are the highest-rated categories of Air Conditioning Parts for the 1979 GMC P3500 and their top-rated products:

AC Line O-Rings
- Factory Air Cap & Valve A/C System Seal Kit, 26777 (15890308) – $20.99
AC High Pressure Side Switches
- Factory Air Compressor Mounted High Cut-Out Pressure Switch, 35974 (3880036) – $36.99

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

As of 8/2/26, 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.

1979 GMC P3500 Air Conditioning Parts

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

Factory Air – Factory Air O-Ring & Gasket A/C System Seal Kit, 26743 (Part No.26743)

Schaeffler – Schaeffler Bearing – DGBB (Deep Groove Ball Bearing), 5908-VAW (Part No.5908-VAW)

Driveworks – Driveworks Multi-Purpose Bearing, SL-203-FF (Part No.SL-203-FF)

Carquest Premium – Carquest A/C Receiver Drier, T33986 (Part No.T33986)

Carquest Premium – Carquest A/C Receiver Drier, T33211 (Part No.T33211)

Factory Air – Factory Air Compressor Mounted High Cut-Out Pressure Switch, 35974 (Part No.35974)

Carquest Premium – Carquest HVAC Pressure Switch, ACA1334 (Part No.ACA1334)

Omega Environmental Tech – Omega Environmental Tech Rapid Seal Kit, MT2555 (Part No.MT2555)

Factory Air – Factory Air Green Round O-Ring (Sold by each), 24615 (Part No.24615)

Carquest Premium – Carquest Multi-Use Connector, PTA1827 (Part No.PTA1827)

Dorman – Dorman Two-Wire Pressure, 85141 (Part No.85141)

Carquest Premium – Carquest A/C Compressor, New, with Clutch, with HR6 Compressor, T58964 (Part No.T58964)

Carquest Standard – Carquest Remanufactured GM DA6, HR6, HE6 Compressor with Clutch, DW57963 (Part No.DW57963)

Factory Air – Factory Air Green Oval O-Ring (Sold by each), 24619 (Part No.24619)

Factory Air – Factory Air Green Round O-Ring (Sold by each), 24650 (Part No.24650)

Carquest Premium – Carquest A/C Orifice Tube – White, T623 (Part No.T623)

Carquest Premium – Carquest A/C Expansion Valve, T39192 (Part No.T39192)

Carquest Premium – Carquest A/C System Valve Core and Cap Kit, T26778 (Part No.T26778)

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

Carquest Premium – Carquest A/C Compressor Cut-Out Switch, ACA1257 (Part No.ACA1257)

Carquest Premium – Carquest Air Conditioner Compressor Cut-Out Switch, ACA1256 (Part No.ACA1256)

Carquest Premium – Carquest Multi-Use Connector, PTA1091 (Part No.PTA1091)

Carquest Premium – Carquest Multi-Use Connector, PTA1174 (Part No.PTA1174)

Driveworks – Driveworks Ball Bearing, S-907257 (Part No.S-907257)

National – National Multi-Purpose Bearing, S-128 (Part No.S-128)

Carquest Premium – Carquest A/C Evaporator Core Repair Kit, T16149 (Part No.T16149)

Carquest Premium – Carquest A/C Evaporator Core Repair Kit, T16152 (Part No.T16152)

Carquest Premium – Carquest A/C Receiver Drier, T33211 (Part No.T33211)

Carquest Premium – Carquest A/C Expansion Valve, T38683 (Part No.T38683)

Factory Air – Factory Air Cap & Valve A/C System Seal Kit, 26777 (Part No.26777)

Factory Air – Factory Air O-Ring & Gasket A/C System Seal Kit, 26739 (Part No.26739)

Factory Air – Factory Air Green Round O-Ring (Sold by each), 24615 (Part No.24615)

Factory Air – Factory Air Green Round O-Ring (Sold by each), 24623 (Part No.24623)

Carquest Standard – Carquest Reman GM A6 Compressor w/ Clutch, DW57098 (Part No.DW57098)

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

Carquest Premium – Carquest A/C Compressor, T58231 (Part No.T58231)

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