1978 GMC G25 Air Conditioning Parts

Essential 1978 GMC G25 Air Conditioning Parts

Factory Air – Sealing Washer Kit (Part No.24338)

Sealing Washer Kit

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$5.29
Includes O-Ring; Compatible with R12 And R134A; High quality construction; Universal applications
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Carquest Premium – A/C Compressor Cut-Out Switch (Part No.ACA1256)

A/C Compressor Cut-Out Switch

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$20.79
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Factory Air – System Mounted Preset Cycling Temperature Switch (Part No.35720)

System Mounted Preset Cycling Temperature Switch

from

$18.05
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
  • Precision engineered
  • OE style connectors
  • Quality contacts ensure proper conductivity
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Carquest Standard – Reman GM R4 Heavy Compressor w/ Clutch (Part No.DW57231)

Reman GM R4 Heavy Compressor w/ Clutch

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$195.99
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
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GM Genuine Parts – Air Conditioning Compressor and Clutch Assembly (Part No.15-20206)

Air Conditioning Compressor and Clutch Assembly

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$252.99
GM Genuine Parts A/C Compressors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These compressors pump refrigerant through the system. The compressor is typically engine driven via the accessory belt, and a clutch on the compressor is used to engage and disengage the compressor. Hybrid vehicles are typically equipped with an electric motor driven compressor. The compressor is lubricated by refrigerant oil. 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).

Product Features:
  • Visual and leak-tested to help ensure the component’s quality and durability
  • The oil separator is part of the compressor and removes oil from the refrigerant to help keep system efficiency
  • GM meets an aggressive engineering requirement for compressor clutch durability and corrosion resistance. Together, these help ensure long-term quality and durability
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
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Carquest Premium – A/C White Orifice Tube (Part No.T38623)

A/C White Orifice Tube

from

$2.99
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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Factory Air – O-Ring & Gasket A/C System Seal Kit (Part No.26741)

O-Ring & Gasket A/C System Seal Kit

from

$15.49
High quality OE replacement part with all components needed to complete the job

Product Features:
  • All the seals needed to complete the job
  • Compatible with both R12 and R134a refrigerants
  • Application specific
  • SUV and rear air applications
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Factory Air – Cap & Valve A/C System Seal Kit (Part No.26777)

Cap & Valve A/C System Seal Kit

from

$16.99
High quality OE replacement part with all components needed to complete the job

Product Features:
  • All the seals needed to complete the job
  • Compatible with both R12 and R134a refrigerants
  • SUV and rear air applications
  • Application specific
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Carquest Premium – A/C Harness Connector (Part No.T37201)

A/C Harness Connector

from

$16.79
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

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$11.99
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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FAG US – BEARING (Part No.5908-VAW)

BEARING

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$54.99
BEARING

Carquest Premium – A/C Accumulator Tube (Part No.T34207)

A/C Accumulator Tube

from

$10.79
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 – HVAC Control Switch (Part No.HKA1014)

HVAC Control Switch

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$36.49
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Dorman – 2-Wire Pressure (Part No.85141)

2-Wire Pressure

from

$14.29
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.

Product Features:
  • Direct replacement – this HVAC switch 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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Factory Air – Green Round O-Ring (Part No.24650)

Green Round O-Ring

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 (Part No.24615)

Green Round O-Ring

from

$1.99
Made from HNBR material; Compatible with R12 And R134A; High quality construction; Universal applications
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Carquest Premium – A/C Accumulator Tank (Part No.T33204)

A/C Accumulator Tank

from

$30.49
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.T33211)

A/C Filter Drier

from

$22.99
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.T33215)

A/C Filter Drier

from

$20.99
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 Compressor Cut-Out Switch (Part No.ACA1257)

A/C Compressor Cut-Out Switch

from

$30.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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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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Factory Air – Compressor Mounted High Cut-Out Pressure Switch (Part No.35961)

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

Ball Bearing

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$22.29
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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National – Bearings (Part No.SCE-108)

Bearings

from

$6.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Available in both caged design and full complement
  • Industry leading coverage
  • Professional technicians know they can depend on National
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National – Bearings (Part No.S-128)

Bearings

from

$9.49
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Available in both caged design and full complement
  • Industry leading coverage
  • Professional technicians know they can depend on National
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National – Bearings (Part No.907257)

Bearings

from

$43.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Controlled heat treating process for lasting performance and extended bearing life
  • Industry leading coverage
  • Professional technicians know they can depend on National
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1978 GMC G25 Air Conditioning Parts

Maybe you’re in the middle of a full rebuild of that 1978 GMC G25. Maybe you just need a couple of Air Conditioning Parts. Either way, Advance Auto Parts has 39 different Air Conditioning Parts in our inventory ranging from $1.99 to $478.99. That means you can find the exact parts or products you need to keep that 1978 GMC G25 running smoothly.

Air Conditioning Parts are only as good as their brand. We stock 9 different brands to make sure you have plenty of trusted parts to choose from for your 1978 GMC G25. Carquest Premium, Factory Air, and Carquest are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Air Conditioning Parts for your 1978 GMC G25, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 1,656 reviews in this category, some of the top rated parts include A/C Filter Drier with 4.5 stars and Ball Bearing with 2.3 stars.

So if you’re in the market for aftermarket Air Conditioning Parts to keep your 1978 GMC G25 rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Air Conditioning Parts Brands To Make Your 1978 GMC G25 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1978 GMC G25 demands trusted brand parts and products to keep it running. Many trusted brands of Air Conditioning Parts make up Advance Auto Parts’ inventory, and all are ready to help make your G25 the best it can be. Be sure to browse some of our top Air Conditioning Parts brands and parts.

Popular ACDelco Air Conditioning Parts

We carry ACDelco parts in our stock across Expansion Valve and Orifice Tubes categories, plus more. For a 1978 GMC G25, our most popular ACDelco Air Conditioning Parts include:
Air Conditioning Orifice Tube
from $5.79
(2)
Air Conditioning Orifice Tube
Expansion Valve and Orifice Tubes

FAQs for 1978 GMC G25 Air Conditioning Parts

What are the most purchased Air Conditioning Parts for the 1978 GMC G25?

Out of 39 Air Conditioning Parts for the 1978 GMC G25, the most popular in our inventory are:
A/C New, with Clutch, with R4 Lightweight Compressor
from $261.99
(10)
A/C New, with Clutch, with R4 Lightweight Compressor
AC Compressor With Clutch
Compressor Mounted High Cut-Out Pressure Switch
from $36.99
(10)
Compressor Mounted High Cut-Out Pressure Switch
AC High Pressure Side Switches
Cap & Valve A/C System Seal Kit
from $16.99
(6)
Cap & Valve A/C System Seal Kit
AC Line O-Rings

What are the top-rated 1978 GMC G25 Air Conditioning Parts?

Top-rated Air Conditioning Parts for your 1978 GMC G25 based on customer reviews/ratings are:
A/C Filter Drier
from $22.99
(4)
A/C Filter Drier
“Exact fit for my needs.”
Ball Bearing
from $22.29
(4)
Ball Bearing
“Great replacement bearing”
Reman GM R4 Heavy Compressor w/ Clutch
from $195.99
(4)
Reman GM R4 Heavy Compressor w/ Clutch
“Very good compressor for the money!”