1991 GMC K2500 Air Conditioning Parts

Essential 1991 GMC K2500 Air Conditioning Parts

Carquest – A/C and Heater Relay (Part No.R3177)

A/C and Heater Relay

from

$23.29
Product Features:
  • Premium components and our own manufactured circuit board ensure precise operation, reliability, and extra durability for a longer service life
  • Our electronic voltage regulator PC boards are encapsulated in epoxy to deliver improved performance and resistance to failure that may be caused by vibration and corrosion of electrical connections
  • All parts are manufactured to stringent quality requirements. Our plants are TS16949 and ISO9001 certified which ensures that every part is the right part for the right vehicle.
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Carquest Premium – A/C Compressor Switch Connector (Part No.PTA1329)

A/C Compressor Switch Connector

from

$17.79
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.

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
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Dorman – Metal Clip Nut No.8 (Part No.961-304D)

Metal Clip Nut No.8

from

$4.49
Dorman offers a comprehensive line of Clip / Spring Nuts for a range of automotive applications. They are available for use with a large variety of screw sizes, throat depths, and panel ranges.

Product Features:
  • Constructed of high-quality materials for long-lasting durability
  • Many different styles are available, including threaded and wide panel
  • Packaged in a variety of piece counts for use with both small and large projects
  • Also suitable for a broad range of industrial and commercial uses
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Factory Air – Compressor Mounted Low Cut-Out Pressure Switch (Part No.35970)

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

O-Ring & Gasket A/C System Seal Kit

from

$11.49
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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Dorman – A/C Service Valve Cap (Part No.902-025)

A/C Service Valve Cap

from

$8.99
This A/C service valve cap is designed to match the fit and function of the original cap on specified applications, and is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this A/C service valve cap is designed to match the fit and function of the original cap on specified applications.
  • Restores functionality – reliable replacement for an original part that is leaking 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 – A/C Compressor and Component Kit (Part No.1192K)

A/C Compressor and Component Kit

from

$352.99
Save time on installation with everything you need in one box for an air conditioning replacement. The Carquest Premium A/C Compressor and Component Kit includes the necessary compressor, accumulator/receiver drier, and orifice tube/expansion valve, along with the necessary O-rings, gaskets, and oil. The parts are manufactured with strict quality standards from Gilmore, a climate control partner to Advance Auto Parts for over 25 years.

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.
  • Accumulators and receiver driers 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 are helium leak tested prior to packaging.
  • Each orifice tube and expansion valve is tested for function and leakage according to OEM specifications to ensure optimal performance of the air conditioning system.
  • The specific PAG oil required by your vehicle application is included.
  • O-rings and gaskets for all parts are application specific and packaged with the correct part to save time and eliminate the possibility of a leak from using the wrong O-ring or gasket.
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Carquest Premium – A/C Discharge and Suction Line Hose Assembly (Part No.T55079)

A/C Discharge and Suction Line Hose Assembly

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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Factory Air – System Mounted High Cut-Out Pressure Switch (Part No.36655)

System Mounted High 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
  • Vehicle specific applications
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Delphi – A/C Compressor (Part No.CS0120)

A/C Compressor

from

$269.99
100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part.

Product Features:
  • All Delphi compressors are an exact fit
  • Sealing washers are included (where applicable) with all Delphi compressors and no extra parts to purchase
  • All Delphi compressors are 100% leak tested
  • Delphi compressors are constructed with high-quality corrosion resistant aluminum alloy not often found in aftermarket products
  • Low torque demand results in better engine performance and increased fuel economy
  • All Delphi compressors meet or exceed OE specifications
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Carquest Premium – Fuel Pump Relay Connector (Part No.PTC1432)

Fuel Pump Relay Connector

from

$37.99
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.

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
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Carquest Premium – A/C Plate and Fin Evaporator (Part No.T54478)

A/C Plate and Fin Evaporator

from

$114.99
Carquest Evaporators are designed to remove heat from the air inside the passenger compartment of a vehicle resulting in cooler air temperatures. They are manufactured to meet or exceed original equipment specifications and are designed to easily fit into the engine compartment.

Product Features:
  • The design and manufacture of the evaporators result in uniform refrigerant distribution with optimal flow for improved performance and maximum heat transfer.
  • The evaporators are constructed to offer a lightweight, compact design that will fit easily within the engine compartment.
  • The surface treatment on each part ensures optimum water drainage to prevent mold and odors in the system.
  • The evaporators are 100% tested to meet or exceed original equipment specifications. Each part is helium tested to ensure no leaks.
  • O-Rings and gaskets necessary for installation are included.
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Carquest Premium – Daytime Running Light Resistor Connector (Part No.PTA1501)

Daytime Running Light Resistor Connector

from

$28.49
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.

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
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GM Genuine Parts – Air Conditioning Evaporator Drain (Part No.15-33363)

Air Conditioning Evaporator Drain

from

$5.99
GM Genuine Parts A/C Evaporator Drains are designed, engineered, and tested to rigorous standards, and are backed by General Motors. 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:
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • Original equipment parts are designed to work with your GM vehicle safety systems — aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
  • GM regularly updates production and service part designs to integrate new materials and technologies
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ACDelco – 2-Way Female Black Multi-Purpose Pigtail (Part No.PT131)

2-Way Female Black Multi-Purpose Pigtail

from

$32.49
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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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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Carquest Premium – HVAC Control Switch (Part No.HKA1014)

HVAC Control Switch

from

$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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Carquest Premium – A/C Accumulator (Part No.T33169)

A/C Accumulator

from

$25.99
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 – Multi Purpose Relay (Part No.83A1001)

Multi Purpose Relay

from

$18.79
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • High-quality products that meet OE appearance and performance to
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ACDelco – Front Passenger Side ABS Wheel Speed Sensor (Part No.19181882)

Front Passenger Side ABS Wheel Speed Sensor

from

$56.99
ACDelco GM Original Equipment ABS Wheel Speed Sensors are located at each wheel, monitoring the rotation of each wheel, and are GM-recommended replacements for your vehicle’s original components. The sensor provides this speed information to the antilock brake control module for the antilock braking function. These sensors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Restores ABS function and performance caused by failed wheel speed sensor
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured with GM Original Equipment specification for fit, form, and function
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ACDelco – A/C Idler Pulley (Part No.R1081602139ACD)

A/C Idler Pulley

from

$273.99
A/C Idler Pulley

Behr – A/C Orifice Tube (Part No.R1027201455BEH)

A/C Orifice Tube

from

$7.95
A/C Orifice Tube

Carquest Premium – A/C Compressor Relay Connector (Part No.PTA1465)

A/C Compressor Relay Connector

from

$44.99
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.

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
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Carquest Premium – A/C Condenser (Part No.2318)

A/C Condenser

from

$222.99
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.
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FAG US – BEARING (Part No.5908-VAW)

BEARING

from

$54.99
BEARING

Factory Air – System Mounted Cycling Pressure Switch (Part No.35751)

System Mounted Cycling Pressure Switch

from

$15.79
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
  • Vehicle specific applications
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Carquest Premium – A/C Discharge and Suction Line Hose Assembly (Part No.T56155)

A/C Discharge and Suction Line Hose Assembly

from

$83.99
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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Factory Air – Sealing Washer Kit (Part No.24338)

Sealing Washer Kit

from

$5.29
Includes O-Ring; Compatible with R12 And R134A; High quality construction; Universal applications
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1991 GMC K2500 Air Conditioning Parts

Maybe you’re in the middle of a full rebuild of that 1991 GMC K2500. Maybe you just need a couple of Air Conditioning Parts. Either way, Advance Auto Parts has 79 different Air Conditioning Parts in our inventory ranging from $1.99 to $523.99. That means you can find the exact parts or products you need to keep that 1991 GMC K2500 running smoothly.

Air Conditioning Parts are only as good as their brand. We stock 12 different brands to make sure you have plenty of trusted parts to choose from for your 1991 GMC K2500. Carquest Premium, Dorman, 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 1991 GMC K2500, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 2,402 reviews in this category, some of the top rated parts include Compressor Mounted Low Cut-Out Pressure Switch with 3.5 stars and Reman R4 Lightweight Compressor w/ Clutch with 3.6 stars.

So if you’re in the market for aftermarket Air Conditioning Parts to keep your 1991 GMC K2500 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 1991 GMC K2500 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1991 GMC K2500 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 K2500 the best it can be. Be sure to browse some of our top Air Conditioning Parts brands and parts.

Popular Dorman Air Conditioning Parts

We carry Dorman parts in our stock across HVAC Automatic Temperature Control (ATC) Relays and AC Compressor Bypass Pulleys categories, plus more. For a 1991 GMC K2500, our most popular Dorman Air Conditioning Parts include:
30 AMP 12 Volt 5 Pin Universal Relay
from $14.99
(10)
30 AMP 12 Volt 5 Pin Universal Relay
HVAC Automatic Temperature Control (ATC) Relays
Air Conditioning Bypass Pulley
from $54.99
(21)
Air Conditioning Bypass Pulley
AC Compressor Bypass Pulleys

FAQs for 1991 GMC K2500 Air Conditioning Parts

What are the most purchased Air Conditioning Parts for the 1991 GMC K2500?

Out of 79 Air Conditioning Parts for the 1991 GMC K2500, the most popular in our inventory are:
A/C and Heater Relay
from $23.29
(24)
A/C and Heater Relay
AC Compressor Cut-Out Relays
Multi Purpose Relay
from $18.79
This product is not rated
Multi Purpose Relay
AC Compressor Relays
Chrysler, GM Panel Retainer
from $4.49
This product is not rated
Chrysler, GM Panel Retainer
AC Line Clip

What are the top-rated 1991 GMC K2500 Air Conditioning Parts?

Top-rated Air Conditioning Parts for your 1991 GMC K2500 based on customer reviews/ratings are:
Compressor Mounted Low Cut-Out Pressure Switch
from $31.49
(14)
Compressor Mounted Low Cut-Out Pressure Switch
“works for 99 tahoe”
Reman R4 Lightweight Compressor w/ Clutch
from $161.99
(14)
Reman R4 Lightweight Compressor w/ Clutch
“Replacement part”
Compressor Mounted High Cut-Out Pressure Switch
from $36.99
(10)
Compressor Mounted High Cut-Out Pressure Switch
“Worked Well”