2003 GMC Sierra 2500 Air Conditioning Parts

Essential 2003 GMC Sierra 2500 Air Conditioning Parts

ACDelco – A/C Temp. Switch (Part No.R1055307459ACD)

A/C Temp. Switch

from

$10.70
A/C Temp. Switch

ACDelco – GM OE A/C Compressor Clutch Kit with Clutch, Coil, and Pulley (Part No.R1010511135ACD)

GM OE A/C Compressor Clutch Kit with Clutch, Coil, and Pulley

from

$353.92
ACDelco GM Original Equipment A/C Compressor Clutch Kits include the compressor clutch, which engages and disengages the compressor when the A/C is switched ON and Off, and other related components. The compressor clutch consists of a pulley, pressure plate, and electromagnetic coil. This original equipment A/C compressor clutch kit is a GM-recommended replacement for you vehicle’s original components and has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Restore A/C compressor clutch to like new performance
  • 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
See More

Carquest Premium – A/C New; w/ Clutch; w/ 10S20F Compressor (Part No.T78377)

A/C New; w/ Clutch; w/ 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 Premium – A/C Plate and Fin Evaporator (Part No.T54914)

A/C Plate and Fin Evaporator

from

$187.99
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.
See More

ACDelco – A/C Orifice Tube (Part No.R1027360480ACD)

A/C Orifice Tube

from

$11.28
A/C Orifice Tube

Dorman – Body Bolt With Washer – M6-1.0 X 25mm (sold by each) (Part No.700-251)

Body Bolt With Washer - M6-1.0 X 25mm (sold by each)

from

$1.29
These nuts are manufactured using durable materials and corrosion tested to ensure required strength and longevity.

Product Features:
  • Durable materials – manufactured to specific thread tolerance standards
  • Corrosion tested – hardware undergoes salt spray testing to ensure corrosion resistance
  • Multipurpose usefulness – can be used in a variety of applications, from auto to home
  • Trustworthy quality – backed by team of professional engineers and quality control specialists in the United States
See More

GM Genuine Parts – Gray Multi-Purpose Relay (Part No.13503102)

Gray Multi-Purpose Relay

from

$8.99
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
See More

Carquest Premium – Multi Purpose Relay (Part No.RAA1256)

Multi Purpose Relay

from

$24.99
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.
See More

National – Bearings (Part No.907257)

Bearings

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
See More

Carquest Premium – A/C Suction Line Hose Assembly (Part No.T56411)

A/C Suction Line Hose Assembly

from

$50.99
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.
  • O-Rings necessary for installation are included.
See More

Omix – AC Bolt M10x1.5×65 (Part No.17955.01)

AC Bolt M10x1.5x65

from

$8.79
AC Bolt M10x1.5×65

ACDelco – A/C Manifold Hose As (Part No.R1020439171ACD)

A/C Manifold Hose As

from

$417.35
A/C Manifold Hose As

KAI – A/C System Seal Kit (Part No.FTT010692)

A/C System Seal Kit

from

$23.99
New Standard Replacement A/C System Seal Kit, MT2741, L4 Engine

Product Features:
  • MT2741, L4 Engine
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

Carquest Premium – AC Pressure Switch (Part No.ABA1006)

AC Pressure Switch

from

$31.49
The Premium CarQuest Vehicle Solutions line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Switch monitors system pressures, aiding in proper and efficient control of the compressor, fans and system levels. An improperly functioning A/C Pressure Switch will provide erratic or inaccurate actuation and operation, severely affecting system performance and function. Without reliable and accurate actuation from a properly functioning A/C Pressure Switch, critical components and the system as a whole are left unregulated and unprotected which can lead to excessive wear and tear on critical components and costly system damage.

Product Features:
  • Designed and manufactured with high quality materials, industry leading electronic components and strict quality controls. Engineered to meet or exceed OE performance and to meet the uncompromising demands of service professionals.
  • Direct fit replacement matches proper OE fit, form, and function and ensures trouble free installation of your A/C Pressure Switch.
  • All units are tested using advanced end-of-line equipment that pressurize the A/C Pressure Switch, confirm proper calibration and functionality, and check for leaks to ensure each A/C Pressure Switch meets manufacturing specifications before packaging.
See More

Carquest Premium – A/C Compressor Switch Connector (Part No.PTA1328)

A/C Compressor Switch Connector

from

$15.79
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
See More

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
See More

GM Genuine Parts – Air Conditioning Accumulator (Part No.15-10421)

Air Conditioning Accumulator

from

$47.99
GM Genuine Parts A/C Accumulators are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These accumulators are used in A/C systems with an orifice tube metering device. The accumulator is located between the evaporator and the compressor, and serves to capture and store excess liquid refrigerant. This prevents liquid refrigerant from entering the compressor where it can damage the compressor. 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:
  • Removes harmful moisture from the A/C refrigerant system
  • 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

Carquest Standard – Remanufactured Compressor with Clutch (Part No.DW77377)

Remanufactured Compressor with Clutch

from

$284.99
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

Carquest Premium – A/C Compressor and Component Kit (Part No.4138K)

A/C Compressor and Component Kit

from

$367.99
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.
See More

Dorman – Chrysler, GM Panel Retainer (Part No.963-056D)

Chrysler, GM Panel Retainer

from

$4.49
Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring long service life.

Product Features:
  • Ideal replacement – this retainer matches the fit and function of the original equipment retainer for this vehicle application
  • Quality material – this retainer is made of durable material for long-lasting service
  • Versatile design – this retainer is suitable for a variety of automotive uses
  • Excellent value – this part offers original equipment quality at a competitive cost
See More

Carquest – HVAC Blower Motor Resistor Connector (Part No.PT5793)

HVAC Blower Motor Resistor Connector

from

$41.99
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 ignition coils use 100% pure copper windings in the primary and secondary bobbins to improve durability and provide higher resistance to internal shorts and dielectric breakdown
  • Our premium ignition coils consist of a special blended formula for the best performance, longest life and better heat dissipation
  • A full E-Lam core of silicon steel and solid brass high voltage terminals protects against corrosion. Our ignition coils are built for maximum output voltage
  • Primary and Secondary windings feature enamel magnet wire for the highest temperature rating in the aftermarket
  • BWD is a global manufacturer of original equipment ignition products, complete quality control is maintained through the manufacturing process from componentry to finished product
See More

ACDelco – A/C Pressure Switch (Part No.R1054847144ACD)

A/C Pressure Switch

from

$80.40
A/C Pressure Switch

Carquest – A/C Auto Temperature Control Relay (Part No.R3093)

A/C Auto Temperature Control Relay

from

$18.05
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.
See More

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
See More

Carquest Premium – Automatic Transmission Speed Sensor (Part No.SBC3664)

Automatic Transmission Speed Sensor

from

$35.99
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.
See More

Carquest Premium – A/C Compressor Cut-Out Switch (Part No.ACA1256)

A/C Compressor Cut-Out Switch

from

$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.
See More

Carquest Premium – A/C Compressor Relay Connector (Part No.PTA1171)

A/C Compressor Relay Connector

from

$61.99
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
See More

DENSO – First Time Fit A/C Conr (Part No.R1030687992ND)

First Time Fit A/C Conr

from

$155.91
Like all DENSO First Time Fit® A/C components, our condensers are designed and manufactured to integrate seamlessly with the vehicle’s original air conditioning system. DENSO condensers match up to OE condensers at every benchmark. Multiflow, subcooling, and the latest Ssrpentine condenser styles are offered to provide the optimum configuration for each application. Premium aluminum construction improves reliability, resisting corrosion to avoid expensive system leaks, while the superior fin wave design offers higher heat transfer and maximum refrigerant condensation. Heat exchanger cores are specially designed to shed airborne material buildup, allowing the A/C system to operate at peak efficiency with minimal maintenance, assuring years of trouble-free service.

Product Features:
  • Zinc diffusion layer improves corrosion resistance
  • Unique fin design to minimize airflow blockage
  • High performance design reduces the required compressor power
  • System Efficiency: Superior fin waves provide a higher heat transfer coefficient and full condensation.
  • Engineered to Perfection: OE quality engineered for unparalleled performance
  • Exact Fit: Condensers install with speed and ease
  • Reduces required compressor power, resulting improved fuel economy
  • Restores A/C performance to as-new condition
  • First Time Fit® assures bolt-in replacement; no brackets or adapters
  • Greater Durability: Pure aluminum construction provides greater resistance for corrosion
See More

2003 GMC Sierra 2500 Air Conditioning Parts

Maybe you’re in the middle of a full rebuild of that 2003 GMC Sierra 2500. Maybe you just need a couple of Air Conditioning Parts. Either way, Advance Auto Parts has 91 different Air Conditioning Parts in our inventory ranging from $1.29 to $379.99. That means you can find the exact parts or products you need to keep that 2003 GMC Sierra 2500 running smoothly.

Air Conditioning Parts are only as good as their brand. We stock 16 different brands to make sure you have plenty of trusted parts to choose from for your 2003 GMC Sierra 2500. Carquest Premium, GM Genuine Parts, and Dorman 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 2003 GMC Sierra 2500, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 299 reviews in this category, some of the top rated parts include HVAC Blower Motor Resistor Connector with 4.4 stars and Compressor Mounted High Cut-Out Pressure Switch with 4.3 stars.

So if you’re in the market for aftermarket Air Conditioning Parts to keep your 2003 GMC Sierra 2500 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 2003 GMC Sierra 2500 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 GMC Sierra 2500 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 the best it can be. Be sure to browse some of our top Air Conditioning Parts brands and parts.

Popular KAI Air Conditioning Parts

We carry KAI parts in our stock across AC Caps and Valve Core Kits categories, plus more. For a 2003 GMC Sierra 2500, our most popular KAI Air Conditioning Parts include:
A/C Service Valve
from $10.99
(1)
A/C Service Valve
AC Caps and Valve Core Kits

Top 2003 GMC Sierra 2500 Air Conditioning Parts from Carquest Premium

Carquest Premium products are another trusted brand when it comes to Air Conditioning Parts for your 2003 GMC Sierra 2500. Popular Carquest Premium parts include:
A/C Dark Grey Porous Orifice Tube
from $15.99
(97)
A/C Dark Grey Porous Orifice Tube
Expansion Valve and Orifice Tubes
A/C Black Orifice Tube
from $4.49
(56)
A/C Black Orifice Tube
Expansion Valve and Orifice Tubes
A/C Accumulator
from $52.99
(17)
A/C Accumulator
Accumulator and Receiver Driers

FAQs for 2003 GMC Sierra 2500 Air Conditioning Parts

What are the most purchased Air Conditioning Parts for the 2003 GMC Sierra 2500?

Out of 91 Air Conditioning Parts for the 2003 GMC Sierra 2500, the most popular in our inventory are:
Chrysler, GM Panel Retainer
from $4.49
This product is not rated
Chrysler, GM Panel Retainer
AC Line Clip
Air Conditioning Service Valve
from $6.99
(7)
Air Conditioning Service Valve
AC Caps and Valve Core Kits
A/C New; w/ Clutch; w/ 10S20F Compressor
from $319.99
(10)
A/C New; w/ Clutch; w/ 10S20F Compressor
AC Compressor With Clutch

What are the top-rated 2003 GMC Sierra 2500 Air Conditioning Parts?

Top-rated Air Conditioning Parts for your 2003 GMC Sierra 2500 based on customer reviews/ratings are:
HVAC Blower Motor Resistor Connector
from $41.99
(35)
HVAC Blower Motor Resistor Connector
“works great, great fit.”
Compressor Mounted High Cut-Out Pressure Switch
from $36.99
(10)
Compressor Mounted High Cut-Out Pressure Switch
“AC high pressure switch work perfect”
A/C Condenser
from $212.99
(9)
A/C Condenser
“fit just right”