2021 GMC Sierra 2500 HD Air Conditioning Parts

Essential 2021 GMC Sierra 2500 HD Air Conditioning Parts

GM Genuine Parts – Air Conditioning System Valve Core (Part No.15-1119)

Air Conditioning System Valve Core

from

$10.99
GM Genuine Parts A/C System Valve Cores are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These A/C system valve cores are components of the A/C service valve through which your vehicle’s refrigerant can be accessed and serviced. The valve core is a spring-loaded poppet valve that is opened when the service technician connects the A/C service machine hose couplers. 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:
  • Repair leaking A/C system, restore A/C function
  • Helps restore A/C Function
  • 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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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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ACDelco – Relay (Part No.P2020765633ACD)

Relay

from

$16.19
Relay

Santech – Air Conditioning Relay (Part No.R1140324066SII)

Air Conditioning Relay

from

$13.90
Air Conditioning Relay

Factory Air – Standard Relay (Part No.36008)

Standard Relay

from

$27.49
High quality OE replacement part with all components needed to complete the job

Product Features:
  • Precision engineered
  • OE style molded connectors
  • Quality contacts ensure proper conductivity
  • Vehicle specific applications
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Carquest – Multi Purpose Relay (Part No.83A1005)

Multi Purpose Relay

from

$17.49
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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Carquest Premium – Multi Purpose Relay (Part No.RAA1732)

Multi Purpose Relay

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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GM Genuine Parts – Multi-Purpose Relay (Part No.15016745)

Multi-Purpose Relay

from

$49.49
GM Genuine Parts Wiring Relays are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These relays help connect or disconnect power to a vehicle accessory when it receives a low voltage signal from a switch. 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:
  • Helps connect or disconnect power to vehicle accessories
  • 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 – A/C Condenser Fan Motor Relay (Part No.R3109)

A/C Condenser Fan Motor Relay

from

$18.99
BWD is an aftermarket leader, providing a premium line of engine management products. BWD manufactures and distributes high technology critical components for late model domestic and import vehicles. BWD is constantly evolving to give customers the competitive edge they need to compete in today’s ever-changing marketplace.

Product Features:
  • Our units are all pre-aligned & pre-adjusted to save installation time and ensure proper switching.
  • A lubricated felt pad that lubricates the cam lobes on the vehicles distributor. This reduces wear on the point set rubbing block, extending the usable life of the part.
  • Ventilated where available, tungsten contacts, which run cooler and exhibit less erosion.
  • The copper-alloy shunt provides superior resistance to breakage, due to the flexing of the moving arm on the point set. It also significantly increases current conductivity over typical steel, shunts.
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Factory Air – Deslugger Compressor Clutch Timer (Part No.36141)

Deslugger Compressor Clutch Timer

from

$88.99
High quality OE replacement part with all components needed to complete the job

Product Features:
  • Patented Four Seasons part that fixes the common OE problem of slugging Compressors and extends compressor life as well as solving the problem of a noisy, shaky compressor at start up which can damage the A/C system
  • To eliminate system damage, the timer will cycle the compressor multiple times to push the pooled oil and refrigerant out of the compressor gradually before normal operation to help protect the compressor.
  • When not used the compressor has to work much harder to push all of the oil out at one time causing stress on the system.
  • For use on 09-00 GM series with Denso 10S Models
  • Connectors included for easy installation
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GM Genuine Parts – Air Conditioning Compressor Relief Valve (Part No.15-5711)

Air Conditioning Compressor Relief Valve

from

$67.99
GM Genuine Parts A/C Compressor Relief Valves 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
See More

ACDelco – A/C Service Valve (Part No.R1129947779ACD)

A/C Service Valve

from

$13.13
A/C Service Valve

GM Genuine Parts – Air Conditioning Compressor and Clutch Assembly (Part No.15-22319)

Air Conditioning Compressor and Clutch Assembly

from

$361.99
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
See More

DENSO – New Compressor With Clutch (Part No.471-0315)

New Compressor With Clutch

from

$324.99
As one of the world’s largest OE suppliers of A/C compressors, DENSO units are specified by most major vehicle manufacturers. DENSO First Time Fit A/C compressors are manufactured and tested to the strictest OE standards for unparalleled performance. At DENSO, we bring together everything we know as an air conditioning systems manufacturer to bring you the highest quality line of factory-new compressors available. When it comes to new compressors, you can’t do better than going with a unit manufactured by the OE supplier. At DENSO we know these units better than anyone because we originally designed them. Our compressors are built to meet DENSO’s unsurpassed reputation for technological superiority. You can relax knowing DENSO will give you the right part and the right fit the first time.

Product Features:
  • DENSO is the world’s largest OE supplier of A/C compressors
  • Each compressor is precision manufactured for exact replacement
  • Designed for high output and extended durability
  • Highest quality in the Aftermarket
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Valeo – A/C Compressor w/ Clutch, New (Part No.R10001324509VAL)

A/C Compressor w/ Clutch, New

from

$448.63
Valeo manufactures a new A/C Compressor with clutch assembly that is the same quality fit and performance of the OE compressor it replaces.

Product Features:
  • OEM Quality Direct fit Application
  • Guarantees OE quality performance, durability and fitment.
  • A product 100% ‘new’ developed by Valeo
  • Matching quality compressor.
  • Equipped with a new clutch assembly.
  • Design that associates performance, output and reliability.
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Carquest Premium – A/C New; w/ Clutch; w/ 10S20F Compressor (Part No.T68316)

A/C New; w/ Clutch; w/ 10S20F Compressor

from

$331.99
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.
  • O-Rings and gaskets necessary for installation are included.
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Carquest Premium – A/C Premium OEM Improved, New, with Clutch, with HU6 Compressor (Part No.T58901)

A/C Premium OEM Improved, New, with Clutch, with HU6 Compressor

from

$296.99
This premium new compressor improves upon the original equipment design by providing two additional pistons and a center seal lip to prevent a center seal leak created by road conditions. 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 a 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.
See More

Carquest Standard – A/C Remanufactured; w/ Clutch; w/ 10S20F Compressor (Part No.DW77376)

A/C Remanufactured; w/ Clutch; w/ 10S20F Compressor

from

$289.99
Carquest Standard Remanufactured Compressors are manufactured to meet original equipment specifications. All components are either remanufactured to strict standards or are replaced with new components to ensure performance and durability. All compressors are 100% end of line tested.

Product Features:
  • O-Rings and gaskets necessary for installation are included.
  • 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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Carquest Premium – A/C New, with Clutch, with 10S20F Compressor (Part No.T78377)

A/C New, with Clutch, with 10S20F Compressor

from

$319.99
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.
See More

Carquest Standard – Reman Nippondenso 10S17F Compressor w/ Clutch (Part No.DW77348)

Reman Nippondenso 10S17F Compressor w/ Clutch

from

$249.99
Remanufactured Compressors are built in a ISO9001:2015 Certified facility to ensure consistent quality stAndards in the Re-manufacturing process
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Autopart International Inc – A/C Compressor (Part No.R10003199103API)

A/C Compressor

from

$363.02
A/C Compressor

DENSO – New Compressor With Clutch (Part No.471-0700)

New Compressor With Clutch

from

$571.99
As one of the world’s largest OE suppliers of A/C compressors, DENSO units are specified by most major vehicle manufacturers. DENSO First Time Fit A/C compressors are manufactured and tested to the strictest OE standards for unparalleled performance. At DENSO, we bring together everything we know as an air conditioning systems manufacturer to bring you the highest quality line of factory-new compressors available. When it comes to new compressors, you can’t do better than going with a unit manufactured by the OE supplier. At DENSO we know these units better than anyone because we originally designed them. Our compressors are built to meet DENSO’s unsurpassed reputation for technological superiority. You can relax knowing DENSO will give you the right part and the right fit the first time.

Product Features:
  • DENSO is the world’s largest OE supplier of A/C compressors
  • Each compressor is precision manufactured for exact replacement
  • Designed for high output and extended durability
  • Highest quality in the Aftermarket
See More

Carquest Standard – Reman Nippondenso 10S20F Compressor w/ Clutch (Part No.DW67316)

Reman Nippondenso 10S20F Compressor w/ Clutch

from

$256.99
Remanufactured Compressors are built in a ISO9001:2015 Certified facility to ensure consistent quality stAndards in the Re-manufacturing process
See More

Carquest Standard – Reman Nippondenso 10S17F Compressor w/ Clutch (Part No.DW77362)

Reman Nippondenso 10S17F Compressor w/ Clutch

from

$258.99
Carquest Standard compressors offer reliable, long-lasting performance for a leak-free, dependable repair.

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
See More

GM Genuine Parts – Air Conditioning Compressor (Part No.15-22144)

Air Conditioning Compressor

from

$453.99
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
See More

Carquest Premium – A/C New, with Clutch, with 7SAS17F Compressor (Part No.T178363)

A/C New, with Clutch, with 7SAS17F Compressor

from

$463.99
Carquest New Compressors are designed, manufactured and tested to meet or exceed strict original equipment specifications for superior quality and performance. Each new compressor is tested to provide durable life to the vehicle’s air conditioning system. All new compressor components are assembled using state of the art equipment and techniques to ensure smooth operation. Each part is equipped with a clutch and connector that matches the original equipment part and provides an exact replacement to your vehicle’s part. All compressors are supplied with the necessary gaskets and o-rings for installation.

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

Carquest Premium – New, with Clutch, with 7SAS17A Compressor (Part No.T168343)

New, with Clutch, with 7SAS17A Compressor

from

$284.99
Carquest New Compressors are designed, manufactured and tested to meet or exceed strict original equipment specifications for superior quality and performance. Each new compressor is tested to provide durable life to the vehicle’s air conditioning system. All new compressor components are assembled using state of the art equipment and techniques to ensure smooth operation. Each part is equipped with a clutch and connector that matches the original equipment part and provides an exact replacement to your vehicle’s part. All compressors are supplied with the necessary gaskets and o-rings for installation.

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

Carquest Premium – New; w/ Clutch; w/ 10S20F Compressor (Part No.T78376)

New; w/ Clutch; w/ 10S20F Compressor

from

$279.99
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.
See More

2021 GMC Sierra 2500 HD Air Conditioning Parts

Maybe you’re in the middle of a full rebuild of that 2021 GMC Sierra 2500 HD. Maybe you just need a couple of Air Conditioning Parts. Either way, Advance Auto Parts has 6 different Air Conditioning Parts in our inventory ranging from $10.99 to $363.02. That means you can find the exact parts or products you need to keep that 2021 GMC Sierra 2500 HD running smoothly.

Air Conditioning Parts are only as good as their brand. We stock 4 different brands to make sure you have plenty of trusted parts to choose from for your 2021 GMC Sierra 2500 HD. GM Genuine, ACDelco, and Autopart International Inc 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 2021 GMC Sierra 2500 HD, but don’t take our word for it – read our customer ratings and reviews and buy with confidence.

So if you’re in the market for aftermarket Air Conditioning Parts to keep your 2021 GMC Sierra 2500 HD 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 2021 GMC Sierra 2500 HD Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2021 GMC Sierra 2500 HD 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 Sierra 2500 HD the best it can be. Be sure to browse some of our top Air Conditioning Parts brands and parts.

Popular GM Genuine Parts Air Conditioning Parts

We carry GM Genuine Parts parts in our stock across AC Service Valve Caps categories, plus more. For a 2021 GMC Sierra 2500 HD, our most popular GM Genuine Parts Air Conditioning Parts include:
Air Conditioning System Valve Core
from $10.99
(6)
Air Conditioning System Valve Core
AC Service Valve Caps

FAQs for 2021 GMC Sierra 2500 HD Air Conditioning Parts

What are the most purchased Air Conditioning Parts for the 2021 GMC Sierra 2500 HD?

Out of 6 Air Conditioning Parts for the 2021 GMC Sierra 2500 HD, the most popular in our inventory are:
Air Conditioning Line O-Ring
from $15.99
This product is not rated
Air Conditioning Line O-Ring
AC Evaporator Tube O-Ring
A/C Compressor
from $363.02
This product is not rated
A/C Compressor
AC Compressor Without Clutch
New, with Clutch, with 7SAS17A Compressor
from $284.99
This product is not rated
New, with Clutch, with 7SAS17A Compressor
AC Compressor Without Clutch