2003 GMC C4500 Topkick Air Conditioning Parts

Essential 2003 GMC C4500 Topkick Air Conditioning Parts

Carquest Premium – ABS Wheel Speed Sensor (Part No.ARA1771)

ABS Wheel Speed Sensor

from

$58.99
Advance Auto Parts is committed to providing high-quality ABS sensors. The entire manufacturing process is closely managed to deliver high quality products.

Product Features:
  • High grade materials that are equal to or better than OE provide durability and long service life
  • All ABS sensors are tested for proper fit, form, and function
  • Wire diameter and sheathing same or larger than OE to ensure product quality
  • Glass filled reinforced plastic for superior resistance to automotive fluids, dirt, salt and road debris
  • Includes all necessary brackets and hardware
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Carquest Premium – A/C Clutch Cycle Switch Connector (Part No.PTA1091)

A/C Clutch Cycle Switch Connector

from

$34.49
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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Factory Air – Harness Connector (Part No.37215)

Harness Connector

from

$15.79
OE style connectors; Molded plastic construction; Quality contacts ensure proper conductivity; Universal applications
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Carquest – RELAY – ACCESSORY (Part No.R3115)

RELAY - ACCESSORY

from

$27.49
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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Dorman – Body Bolt – M6-1.0 X 25mm (Part No.963-232D)

Body Bolt - M6-1.0 X 25mm

from

$4.49
These bolts 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
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Factory Air – New GM Harrison DA6-HR6-HD6-HT6+HE6 Clutch Assembly w/ Coil (Part No.47655)

New GM Harrison DA6-HR6-HD6-HT6+HE6 Clutch Assembly w/ Coil

from

$153.99
High quality OE replacement part with all components needed to complete the job

Product Features:
  • All mounting hardware included
  • Every coil tested for proper ohms
  • Vehicle specific applications
  • Coated to prevent corrosion
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Carquest Premium – A/C White Orifice Tube (Part No.T38623)

A/C White Orifice Tube

from

$2.99
Carquest Orifice Tubes are designed to regulate the flow of refrigerant through the air conditioning system to provide optimal cooling to the passenger compartment. Each orifice tube is manufactured to original equipment specifications to perform its function even in the harshest climates. Each part is supplied with the necessary gaskets and o-rings for installation.

Product Features:
  • Each orifice tube is tested for function and leakage according to OEM specifications to ensure optimal performance of the air conditioning system.
  • O-Rings necessary for installation are included.
  • Color coded
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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
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Carquest Premium – Brake Pressure Modulator Sensor Connector (Part No.PTA1017)

Brake Pressure Modulator Sensor 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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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
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Omix – AC Bolt M10x1.5×65 (Part No.17955.01)

AC Bolt M10x1.5x65

from

$8.79
AC Bolt M10x1.5×65

Factory Air – Compressor Mounted High Cut-Out Pressure Switch (Part No.20055)

Compressor Mounted High 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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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 – Multi Purpose Relay (Part No.RAA1237)

Multi Purpose Relay

from

$19.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Carquest Premium – A/C New; w/ Clutch; w/ HT6 Compressor (Part No.T88931)

A/C New; w/ Clutch; w/ HT6 Compressor

from

$349.99
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 Standard – Reman GM HT6 Compressor w/ Clutch (Part No.DW57931)

Reman GM HT6 Compressor w/ Clutch

from

$254.99
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
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Carquest Premium – A/C Liquid Line Hose Assembly w/o Orifice Tube (Part No.T55825)

A/C Liquid Line Hose Assembly w/o Orifice Tube

from

$34.49
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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Carquest Premium – HVAC Cut-Off Switch (Part No.ABA1015)

HVAC Cut-Off Switch

from

$38.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Factory Air – Compressor Mounted High Cut-Out Pressure Switch (Part No.20058)

Compressor Mounted High Cut-Out Pressure Switch

from

$29.49
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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Carquest Premium – A/C Accumulator (Part No.T83368)

A/C Accumulator

from

$30.99
Carquest Accumulators and Receiver Driers are designed to store, filter and dry the air conditioning refrigerant to provide proper performance and durability for the air conditioning system. They are manufactured to meet or exceed original equipment specifications.

Product Features:
  • All parts meet or exceed original equipment standards for moisture absorption, pressure and temperature resistance, air tightness, vibration resistance, corrosiveness, and pulse pressure.
  • Desiccant is 100% tested and assembled in a controlled environment to ensure performance meets or exceeds original equipment standards.
  • All accumulators and receiver driers are helium leak tested prior to packaging.
  • O-Rings necessary for installation are included.
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Carquest Premium – A/C New; w/ Clutch; w/ HT6 Compressor (Part No.T58931)

A/C New; w/ Clutch; w/ HT6 Compressor

from

$277.99
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.
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Carquest Premium – A/C New; w/ Clutch; w/ SD7H15 Compressor (Part No.T158567)

A/C New; w/ Clutch; w/ SD7H15 Compressor

from

$566.99
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; w/ Clutch; w/ HT6 Compressor (Part No.T58947)

A/C Premium OEM Improved; New; w/ Clutch; w/ HT6 Compressor

from

$249.99
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.
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2003 GMC C4500 Topkick Air Conditioning Parts

Maybe you’re in the middle of a full rebuild of that 2003 GMC C4500 Topkick. Maybe you just need a couple of Air Conditioning Parts. Either way, Advance Auto Parts has 28 different Air Conditioning Parts in our inventory ranging from $2.99 to $349.99. That means you can find the exact parts or products you need to keep that 2003 GMC C4500 Topkick running smoothly.

Air Conditioning Parts are only as good as their brand. We stock 5 different brands to make sure you have plenty of trusted parts to choose from for your 2003 GMC C4500 Topkick. Carquest Premium, Dorman, and Factory Air 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 C4500 Topkick, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 2,808 reviews in this category, some of the top rated parts include A/C New; w/ Clutch; w/ HT6 Compressor with 5.0 stars.

So if you’re in the market for aftermarket Air Conditioning Parts to keep your 2003 GMC C4500 Topkick 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 C4500 Topkick Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 GMC C4500 Topkick 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 C4500 Topkick the best it can be. Be sure to browse some of our top Air Conditioning Parts brands and parts.

Popular Factory Air Air Conditioning Parts

We carry Factory Air parts in our stock across AC High Pressure Side Switches and AC Compressor Cut-Off Switches categories, plus more. For a 2003 GMC C4500 Topkick, our most popular Factory Air Air Conditioning Parts include:
Compressor Mounted High Cut-Out Pressure Switch
from $34.49
(5)
Compressor Mounted High Cut-Out Pressure Switch
AC High Pressure Side Switches
Compressor Mounted High Cut-Out Pressure Switch
from $29.49
(1)
Compressor Mounted High Cut-Out Pressure Switch
AC Compressor Cut-Off Switches
Compressor Mounted High Cut-Out Pressure Switch
from $36.99
(10)
Compressor Mounted High Cut-Out Pressure Switch
AC High Pressure Side Switches

Top 2003 GMC C4500 Topkick Air Conditioning Parts from Carquest Premium

Carquest Premium products are another trusted brand when it comes to Air Conditioning Parts for your 2003 GMC C4500 Topkick. Popular Carquest Premium parts include:
A/C White Orifice Tube
from $2.99
(97)
A/C White Orifice Tube
Expansion Valve and Orifice Tubes
Severe Temp Automatic Adjusting Orifice Tube
from $15.99
(97)
Severe Temp Automatic Adjusting Orifice Tube
Expansion Valve and Orifice Tubes
A/C Standard Temp Automatic Adjusting Orifice Tube
from $15.79
(28)
A/C Standard Temp Automatic Adjusting Orifice Tube
Expansion Valve and Orifice Tubes

FAQs for 2003 GMC C4500 Topkick Air Conditioning Parts

What are the most purchased Air Conditioning Parts for the 2003 GMC C4500 Topkick?

Out of 28 Air Conditioning Parts for the 2003 GMC C4500 Topkick, the most popular in our inventory are:
Body Bolt - M6-1.0 X 25mm
from $4.49
This product is not rated
Body Bolt – M6-1.0 X 25mm
AC Hose Bolt
A/C Premium OEM Improved; New; w/ Clutch; w/ HT6 Compressor
from $249.99
(19)
A/C Premium OEM Improved; New; w/ Clutch; w/ HT6 Compressor
AC Compressor With Clutch
RELAY - ACCESSORY
from $27.49
(4)
RELAY – ACCESSORY
Air Conditioning Relays

What are the top-rated 2003 GMC C4500 Topkick Air Conditioning Parts?

Top-rated Air Conditioning Parts for your 2003 GMC C4500 Topkick based on customer reviews/ratings are:
A/C New; w/ Clutch; w/ HT6 Compressor
from $277.99
(3)
A/C New; w/ Clutch; w/ HT6 Compressor
“This works great. Much needed this summer”