1978 GMC K35 Air Conditioning Parts

Name: A/C Harness Connector
Brand: Carquest Premium
SKU: T37201
Price: 16.79 USD

Keep Your 1978 GMC K35 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 1978 GMC K35 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 Condensers, and AC Compressor Without Clutch. 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 Carquest Premium, Factory Air, and Carquest. For example, Carquest Premium Air Conditioning Parts start at just $2.99 with an average 4.4 star rating. Factory Air and Carquest offer similar pricing and quality, backed by strong customer feedback. With over 786 reviews and a solid 3 star average, you can shop with confidence knowing other GMC K35 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1978 GMC K35 Air Conditioning Part at Advance Auto Parts is around $94.03, with a range that starts at $1.99 and goes up to $443.99. With 36 options in stock from 9 trusted brands, finding the right fit is easy. Popular picks like A/C New, with Clutch, with R4 Lightweight Compressor, Reman GM R4 Heavy Compressor w/ Clutch, and A/C New, with Clutch, with R4 Heavy Compressor start at just $203.99 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 1978 GMC K35 in peak condition, inside and out.

Looking for the perfect Air Conditioning Part for your 1978 GMC K35? 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 K35. Whether you’re driving a 1978 model or another popular model year like 1977, 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 1978 GMC K35 Air Conditioning Parts

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.

from

$443.99

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

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

from

$15.79

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

from

$11.79

The main device in any electrical circuit is a switch. In an electrical circuit a device is required to turn a component on or off when commanded by the operator, within the switch are contacts that will complete the electrical path to the load, or driven device. The operation of a switch may be manual from a person or could be electrical from some sort of controller or computer.

Product Features:

Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
Lead frame terminal size and location determined using image dimension measuring system or 3D laser scanner.
Where applicable electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.

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

from

$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

from

$4.29

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.

Product Features:

Premium quality materials for longer service life
Sealed connections (where applicable) to prevent environmental corrosion and performance issues
Global coverage for import and/or domestic applications
OE specified wire gauge to ensure a reliable electrical connection
Designed to meet or exceed OE specifications in form, fit and function

from

$48.99

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

from

$5.29

Premium quality materials for longer service life
Sealed connections (where applicable) to prevent environmental corrosion and performance issues
Global coverage for import and/or domestic applications
OE specified wire gauge to ensure a reliable electrical connection
Designed to meet or exceed OE specifications in form, fit and function

from

$1.99

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

from

$152.99

The Carquest condenser is an integral component of the motor vehicle air conditioning system. This part condenses the refrigerant into a liquid to prepare it for entry into the compressor. The condenser is manufactured according to OEM design specifications to ensure a long life with quality performance. Exact design standards produce a seamless fit into the engine compartment.

Product Features:

This is a parallel flow condenser that contains small micro-channels. It is highly recommended that this condenser be replaced if a failure has occurred in the vehicle’s air conditioning system that has resulted in debris contaminating the system. This
The Carquest condenser production process includes quality driven details such as using zinc-coated tubes and electrostatic paint spray at high temperatures to provide the best corrosion resistance and durability in our condensers.
Continuous molds, laser welding machines, semi-automatic assembly stations and other advanced equipment provide quality products.
Each condenser uses only the highest quality raw materials including pure aluminum (not substandard or recycled) to provide the highest quality standards from beginning to finished product.
All brackets are designed per OEM specifications to ensure strength and reduce vibration and movement.
We leak test 100% of our condensers in helium leak test chambers to ensure the product does not leak.
Our condensers are manufactured from rigid design standards to fit OEM dimensions.
Each condenser design endures a series of tests that includes performance testing, vibration testing, blast testing, and salt spray testing to simulate real world conditions.

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.

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

from

$30.99

from

$12.49

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

from

$22.29

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

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

from

$64.99

Carquest Hose Assemblies are designed to carry refrigerant in an air conditioning system. They are manufactured to meet or exceed original equipment specifications and are designed to easily fit into the engine compartment.

Product Features:

100% of hose assemblies use Goodyear hoses that meet original equipment specifications for wall thickness and permeation.
Tubes and mufflers are designed to meet original equipment specifications for wall thickness.
Fittings are designed to couple and seal to eliminate leaks. Trivalent plating is used on steel fittings to enhance corrosion resistance. The fittings conform to original equipment specifications to allow for the proper fit with related air conditioning
Welds and crimps meet and exceed original equipment tension specifications.
Manufactured to allow flexibility in the hose to conform to engine compartments.
O-Rings necessary for installation are included.

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$261.99

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.
Matched high-quality needle-roller bearing ensures low friction and high load capability.
Light weight aluminum energy-saving casting used for construction.

from

$408.99

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.

from

$274.99

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.

from

$46.49

Product Features:

Chrome Plated
Show Quality
For Custom Installations

from

$14.49

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.

Popular 1978 GMC K35 Air Conditioning Parts Categories

AC Compressor With Clutch

AC Compressor Without Clutch

AC Clutch Coil Connectors

Accumulator and Receiver Driers

AC Clutch Bearings

AC Suction Lines

Expansion Valve and Orifice Tubes

AC High Pressure Side Switches

AC Compressor Cut-Off Switches

AC Switch Connectors

AC Compressor Switch Connectors

AC Compressor Relay Connectors

AC Compressor Mount Brackets

AC Accumulator Tubes

AC Compressor Thrust Bearings

AC Compressor Seals

Most Popular Accumulator and Receiver Drier for 1978 GMC K35s

Enhance your 1978 GMC K35 with this popular Accumulator and Receiver Drier we have in stock, for $30.49.

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from

$30.49

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.

Best-Selling 1978 GMC K35 AC Condenser

Upgrade your K35 with our best-selling AC Condenser.

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from

$152.99

This is a parallel flow condenser that contains small micro-channels. It is highly recommended that this condenser be replaced if a failure has occurred in the vehicle’s air conditioning system that has resulted in debris contaminating the system. This
The Carquest condenser production process includes quality driven details such as using zinc-coated tubes and electrostatic paint spray at high temperatures to provide the best corrosion resistance and durability in our condensers.
Continuous molds, laser welding machines, semi-automatic assembly stations and other advanced equipment provide quality products.
Each condenser uses only the highest quality raw materials including pure aluminum (not substandard or recycled) to provide the highest quality standards from beginning to finished product.
All brackets are designed per OEM specifications to ensure strength and reduce vibration and movement.
We leak test 100% of our condensers in helium leak test chambers to ensure the product does not leak.
Our condensers are manufactured from rigid design standards to fit OEM dimensions.
Each condenser design endures a series of tests that includes performance testing, vibration testing, blast testing, and salt spray testing to simulate real world conditions.

Top-Quality AC Compressor Without Clutch for 1978 GMC K35s

Choose a high-quality OEM or aftermarket AC Compressor Without Clutch for GMC K35s and enjoy top-notch performance from $203.99.

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from

$334.99

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

from

$203.99

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

from

$253.99

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

from

$316.99

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

from

$443.99

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

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

Top Picks for 1978 GMC K35 Expansion Valve and Orifice Tubes

Invest in one of our 3 durable Expansion Valve and Orifice Tubes for your 1978 Ford, knowing you’re getting trusted brands and expert craftsmanship.

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from

$2.99

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

from

$15.99

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

from

$15.79

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

Top-Rated AC Compressor With Clutch for 1978 GMC K35s

Make a smart move for your 1978 GMC K35 with products all priced from $261.99 to $408.99.

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from

$261.99

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.
Matched high-quality needle-roller bearing ensures low friction and high load capability.
Light weight aluminum energy-saving casting used for construction.

from

$274.99

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.

from

$408.99

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.

Top-Rated Air Conditioning Part Brands For Your 1978 GMC K35

When it comes to finding the perfect Air Conditioning Part for your 1978 GMC K35, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 9 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 4.4 stars) and competitive prices, as low as $2.99. Purchasing a Air Conditioning Part from us here at Advance Auto Parts is a smart move for both you and your 1978 GMC K35, providing peace of mind with parts that meet or exceed OEM standards.

Popular Carquest Premium 1978 GMC K35 Air Conditioning Parts

If you’re looking for a top-quality Air Conditioning Part for your 1978 GMC K35, Advance Auto Parts has exactly what you need with our selection of Carquest Premium Air Conditioning Parts. We have 3 Carquest Premium Air Conditioning Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $2.99 and an average cost of $11.16, you’ll find the perfect Air Conditioning Part for your needs and budget. Carquest Premium Air Conditioning Parts for the 1978 GMC K35 come highly rated, with over 195 customer reviews and an impressive average rating of 4.4 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 $2.99

(97)

A/C White Orifice Tube

“good product.”

from $14.49

(1)

A/C Accumulator Tube

“It is really good thing.”

from $15.99

(97)

A/C Severe Temp Automatic Adjusting Orifice Tube

“Good item”

Top-Quality Factory Air 1978 GMC K35 Air Conditioning Parts

For those in search of a high-quality Air Conditioning Part for their 1978 GMC K35, Advance Auto Parts offers a great selection of Factory Air Air Conditioning Parts. With 2 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 $16.99, with an average price of $26.99, giving you a range of options to suit your budget. Backed by over 16 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 $36.99

(10)

Compressor Mounted High Cut-Out Pressure Switch

“AC high pressure switch work perfect”

from $16.99

(6)

Cap & Valve A/C System Seal Kit

“Good product and price.”

FAQs for 1978 GMC K35 Air Conditioning Parts

What are the best-selling Air Conditioning Parts for 1978 GMC K35s?

Out of 36 Air Conditioning Parts that fit 1978 GMC K35s, the following parts are the top sellers:

A/C New, with Clutch, with R4 Lightweight Compressor (18892748) – $261.99
Reman GM R4 Heavy Compressor w/ Clutch (5890802) – $203.99
A/C New, with Clutch, with R4 Heavy Compressor (18892563) – $274.99

What’s the price range for 1978 GMC K35 Air Conditioning Parts?

The prices of Air Conditioning Parts for the 1978 GMC K35 range from $1.99 up to $443.99 for the most premium parts.

What is the average price of an Air Conditioning Parts Air Conditioning Part for a 1978 GMC K35?

The average price for Air Conditioning Parts for the 1978 GMC K35 is $94.03. 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.

What are the cheapest Air Conditioning Parts for my 1978 GMC K35?

The cheapest 1978 GMC K35 Air Conditioning Parts we carry are:

Green Round O-Ring, sold by each (18890169) – $1.99
Green Round O-Ring, sold by each (18890821) – $1.99
A/C White Orifice Tube (10052818) – $2.99
A/C Compressor Relay Connector (12443262) – $4.29
A/C Compressor Clutch Relay Connector (12443163) – $5.29

Does Advance Auto Parts sell Air Conditioning Parts for any other 1978 GMC models?

Yes. We stock Air Conditioning Parts for 12 other popular 1978 GMC models. Some of the most popular are 1978 Jimmy Air Conditioning Parts, 1978 Caballero Air Conditioning Parts, 1978 K25 Air Conditioning Parts, 1978 K15 Air Conditioning Parts, and 1978 G25 Air Conditioning Parts.

What are the top-rated Air Conditioning Parts that fit the 1978 GMC K35?

Based on 786 reviews by customers, our 1978 GMC K35 Air Conditioning Parts have an average customer rating of 3 stars. These are the highest-rated categories of Air Conditioning Parts for the 1978 GMC K35 and their top-rated products:

AC Line O-Rings
- Cap & Valve A/C System Seal Kit (15890308) – $16.99
AC Compressor Cut-Off Switches
- Compressor Mounted High Cut-Out Pressure Switch (3880036) – $36.99

What types of Air Conditioning Parts do you sell for my 1978 GMC K35?

As of 4/10/25, these are some of the most in-demand types of Air Conditioning Parts for a 1978 GMC K35:

Can I get help with 1978 GMC K35 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 K35 Air Conditioning Parts?

Advance Auto Parts keeps returns simple. For new GMC K35 Air Conditioning Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

1978 GMC K35 Air Conditioning Parts

Carquest Premium – A/C Harness Connector (Part No.T37201)

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

Carquest Premium – A/C Standard Temp Automatic Adjusting Orifice Tube (Part No.T38902)

Carquest Premium – A/C Clutch Cycle Switch (Part No.ACA1259)

Dorman – 2-Wire Pressure (Part No.85141)

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

Carquest Premium – A/C Compressor Relay Connector (Part No.PTA1419)

National – Bearings (Part No.907257)

Carquest Premium – A/C Compressor Clutch Relay Connector (Part No.PTA1269)

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

Carquest Premium – A/C Condenser (Part No.2053)

Carquest Premium – A/C Accumulator Tank (Part No.T33204)

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

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

National – Bearings (Part No.S-128)

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

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

Carquest Premium – A/C Discharge and Suction Line Hose Assembly (Part No.T55079)

Carquest Premium – A/C New, with Clutch, with R4 Lightweight Compressor (Part No.T58937)

Carquest Premium – A/C New, with Clutch, with A6 Compressor (Part No.T58096)

Carquest Premium – A/C New, with Clutch, with R4 Heavy Compressor (Part No.T58231)

Flowtech – A/C Bracket (Part No.10042FLT)

Carquest Premium – A/C Accumulator Tube (Part No.T34209)

Carquest Premium – A/C Accumulator Tank (Part No.T33204)

Carquest Premium – A/C Condenser (Part No.2053)

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

Carquest Standard – Reman GM R4 Heavy Compressor w/ Clutch (Part No.DW57231)

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

Carquest Standard – Reman GM A6 Compressor w/ Clutch (Part No.DW57087)

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

Carquest Premium – A/C White Orifice Tube (Part No.T38623)

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

Carquest Premium – A/C Standard Temp Automatic Adjusting Orifice Tube (Part No.T38902)

Carquest Premium – A/C New, with Clutch, with R4 Lightweight Compressor (Part No.T58937)

Carquest Premium – A/C New, with Clutch, with R4 Heavy Compressor (Part No.T58231)

Carquest Premium – A/C New, with Clutch, with A6 Compressor (Part No.T58096)