OEM GM AC System Parts

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The factory air system that came with your GM vehicle keeps you cozy in all manners of weather conditions. How it cools, heats, and ventilates your passenger space isn't all that complicated, to be honest.

How Your HVAC System Works

The air conditioning system features four major parts. The compressor pressurizes the refrigerant and converts it to a hot gas. The condenser cools that gas to turn it into a liquid. That liquid flows through an expansion valve and turns into a gas again, but at low pressure. Lastly, the evaporator cools the gas down rapidly with a fan. The chilled air is sent through your vents into the cabin to cool things down. Heating is even more simple. Hot coolant is drawn into a heater core from the engine. A front-mount fan blows air over the core's fins, sending warm air into the cabin.

Signs of AC System Problems

In time, though, your system can begin to struggle when it comes to keeping you comfortable. Here are some signs to look for:

  • A steamy cabin atmosphere
  • The syrupy smell of coolant
  • Inability to cool properly

The first thing you want to check is your cabin air filter to ensure that you don't just need to change it. If that's fine, check the hoses and other parts of your AC system for failure. If you find that something does need replacing, make sure that you use the best part for the job. That would be one made by GM, since it's designed to fit your model. We have plenty in stock in our online auto parts inventory, all ready to ship at a moment's notice. Buy now and save!

Heater and Air Conditioning Evaporator Case
Part Number: 23369529
Other Names: AC & Heater Assembly More Names
Replaces: 13351403, 13351411, 23172714, 23388561
Description: Without climate control. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General... More Info
MSRP $295.30
$186.84
MSRP $295.30
$186.84
Heater and Air Conditioning Evaporator Case
Part Number: 23388562
Other Names: AC & Heater Case More Names
Replaces: 13339074, 13351401
Description: With climate control. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors\ \... More Info
MSRP $238.66
$132.46
MSRP $238.66
$132.46
Heater and Air Conditioning Evaporator Case
Part Number: 84567421
Options: Front
Other Names: AC & Heater Case More Names
Description: Front. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors\ \ \ \ Original... More Info
MSRP $152.26
$99.83
MSRP $152.26
$99.83
HVAC Air Inlet Door Actuator
Part Number: 01996792
Other Names: Actuator, HVAC Air Adjustment Control Motor More Names
Description: 1995-97. 1994-97. air inlet door. More Info
MSRP $18.98
$17.08
MSRP $18.98
$17.08
Temperature Valve Actuator Assembly
Part Number: 89018681
Options: Front
Other Names: HVAC Air Inlet Door Actuator More Names
Description: Electric, manual control. Mode valve. Temperature, manual control. 2000-03, temperature valve. 1997-00, front, temperature valve. Air... More Info
MSRP $100.42
$57.74
MSRP $100.42
$57.74
HVAC Control Cam
Part Number: 23129020
Other Names: HVAC Re-Circulation Door Actuator Lever More Names
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
MSRP $47.86
$28.72
MSRP $47.86
$28.72
Air Conditioning Clutch Cycling Switch
Part Number: 15035084
Other Names: Pressure Cycling Switch More Names
Description: Express, savana. 4.8, 5.3 & 6.0L. Cycling. 4.3L, 2003-14. 6.6L. Restores A/C compressor clutch function\ This GM Genuine Part is... More Info
MSRP $22.92
$14.33
MSRP $22.92
$14.33
Air Conditioning Clutch Cycling Switch
Part Number: 89040362
Other Names: Switch More Names
Description: All models. Cycling. 5.3 & 6.0L, 2006-09. 5.3 & 6.0L, 2003-05. 4.2L. 5.3L. Hummer H2. Restores A/C compressor clutch function\ This GM... More Info
Notes: Included with accumulator. More Notes
MSRP $72.88
$43.73
MSRP $72.88
$43.73
Air Conditioning Clutch Cycling Switch
Part Number: 15144494
Other Names: Switch More Names
Description: Express, savana. 4.8, 5.3 & 6.0L. Cycling. 4.3L, 2018-20. 6.6L. 2.8L. 4.3L, 2003-14. Hummer H2. This GM Genuine Part is designed,... More Info
MSRP $59.39
$35.64
MSRP $59.39
$35.64
Multi-Purpose Stud
Part Number: 11562120
Options: Rear, Front
Other Names: Lower Case Stud More Names
Description: Rear. Front with auto temp control. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by... More Info
MSRP $8.80
$5.50
MSRP $8.80
$5.50
Black Multi-Purpose Relay
Part Number: 13502674
Options: Right Front, Right Rear, Front, Front Rear
Other Names: Relay More Names
Description: Helps connect or disconnect power to vehicle accessories\ This GM Genuine Part is designed, engineered, and tested to rigorous standards... More Info
Notes: Included with junction block. order by year and application. More Notes
MSRP $24.74
$15.46
MSRP $24.74
$15.46
Auxiliary Air Conditioning Evaporator Hose Kit with Screen, Clips, and Seals
Part Number: 84524267
Other Names: AC Hoses More Names
Replaces: 23443879, 23499086
Description: Auxiliary evaporator hose. Escalade ESV. Suburban. Yukon XL. AuxIliary HVAC. Underbody Pipe and Hose Assy.. Incl.Liquid Hose. Incl.HVAC... More Info
MSRP $396.41
$220.01
MSRP $396.41
$220.01
AC Hoses
Part Number: 10176073
Other Names: Hose & Tube Assembly, AC Hose More Names
Description: Compressor fitting with hoses. 3.4L. More Info
Notes: Includes o-ring. More Notes
MSRP $92.55
$83.30
MSRP $92.55
$83.30
AC Hoses
Part Number: 10190633
Other Names: AC Hose, Hose & Tube Assembly More Names
Description: Compressor to condenser, 3.4L. More Info
MSRP $141.44
$127.30
MSRP $141.44
$127.30
Air Conditioning Hose Assembly
Part Number: 96859682
Other Names: AC Tube More Names
Description: Aveo. Condenser hose. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
MSRP $198.72
$114.26
MSRP $198.72
$114.26
AC Hose
Part Number: 15031850
Options: Rear
Other Names: AC Hoses More Names
Description: With rear ac, 4.3L. Express, savana. 4.3l. Rear ac unit. More Info
Notes: Order by description. More Notes
MSRP $164.81
$148.33
MSRP $164.81
$148.33
Air Conditioning Refrigerant Suction Hose
Part Number: 25918384
Other Names: AC Hose More Names
Description: 6.6L, to accumulator, without rear ac. Express, savana. 6.6l diesel. Compressor to accumulator. Exc.Ambulance. Exc.Auxiliary A/C. This... More Info
MSRP $127.51
$73.31
MSRP $127.51
$73.31
AC Hose
Part Number: 22545191
Other Names: AC Hoses More Names
Description: From rear of compressor. Pontiac. 2.0L without turbo, stamped 22545191. More Info
MSRP $108.74
$97.87
MSRP $108.74
$97.87
AC Hoses
Part Number: 22580683
Other Names: AC Hose, Lines, A\/C Refrigerant Discharge Hose, Hose & Tube Assembly More Names
Description: To compressor, 2.2L. Compressor To Condenser. Incl.A/C Refrigerant Suction Hose. More Info
MSRP $173.33
$156.00
MSRP $173.33
$156.00
AC Line
Part Number: 3528241
Other Names: AC Hoses More Names
Description: All models. 4.6l. Evaporator to condenser, 4.6L. More Info
Notes: Does not include O-rings. More Notes
MSRP $125.44
$112.90
MSRP $125.44
$112.90
Air Conditioning Condenser Hose
Part Number: 42592643
Other Names: AC Line More Names
Replaces: 96435887
Description: Aveo, Aveo5. Notchback. Evaporator hose. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by... More Info
MSRP $131.82
$75.80
MSRP $131.82
$75.80
Air Conditioning Compressor Hose
Part Number: 60002046
Options: Rear
Other Names: AC Line More Names
Description: Condenser & components, 1.3L. Repair leaking A/C system, restore A/C function More Info
MSRP $64.08
$38.45
MSRP $64.08
$38.45
Air Conditioning Refrigerant Suction Hose
Part Number: 84211467
Other Names: AC Hose More Names
Replaces: 15753119
Description: 4.8, 5.3 & 6.0L, to accumulator, with rear ac. Express, savana. 4.8l, 5.3l, 6.0l. Compressor to accumulator. Repair leaking A/C system,... More Info
MSRP $118.78
$68.30
MSRP $118.78
$68.30
AC Hose
Part Number: 84393210
Other Names: AC Hoses, Hose More Names
Replaces: 23364130, 84414010
Description: 4.8, 5.3 & 6.0L, to condenser. Express, savana. 4.8l, 5.3l, 6.0l. Compressor to condenser. More Info
MSRP $140.37
$80.71
MSRP $140.37
$80.71
Air Conditioning Compressor and Condenser Hose Assembly
Part Number: 15807969
Other Names: AC Hose More Names
Replaces: 15753115
Description: Express, savana. 4.3l. Compressor to condenser. 4.3L, 2003-14, to condenser. 6.6L, to condenser. Express, savana. 6.6l diesel. This GM... More Info
MSRP $85.54
$51.32
MSRP $85.54
$51.32
Air Conditioning Compressor and Condenser Hose Assembly
Part Number: 19213716
Options: Front
Other Names: AC Hose More Names
Description: Without rear ac, 4.3L. Express, savana. 4.3l. Front ac unit. This GM Genuine Part is designed, engineered, and tested to rigorous... More Info
Notes: Order by description. More Notes
MSRP $268.22
$148.86
MSRP $268.22
$148.86
Air Conditioning Refrigerant Suction Hose
Part Number: 19303128
Options: Rear, Front
Other Names: AC Hoses More Names
Replaces: 15134460
Description: Accumulator hose. Suburban, Yukon XL. Tahoe, Yukon. With auxiliary control. 1st design. Front, with rear ac. Escalade, Escalade ESV.... More Info
Notes: Order By Description. More Notes
MSRP $199.22
$114.55
MSRP $199.22
$114.55
Air Conditioning Hose Assembly
Part Number: 19303130
Options: Front
Other Names: AC Hose More Names
Replaces: 15708736
Description: To evaporator, with rear ac. Front, with rear ac. Condenser hose. Suburban, Yukon XL. Tahoe, Yukon. With auxiliary control. Escalade,... More Info
Notes: Order By Description. More Notes
MSRP $176.68
$101.59
MSRP $176.68
$101.59
AC Hoses
Part Number: 1627663
Other Names: AC Line More Names
Description: All models. Evaporator inlet. More Info
MSRP $29.43
$26.49
MSRP $29.43
$26.49
AC Hoses
Part Number: 1649441
Options: Rear, Front
Other Names: Evaporator Assembly, AC Tube, Tube, AC Line More Names
Description: Rear, one piece. Evaporator to accumulator. Riviera, Toronado. Evaporator inlet, single piece. Seville. Front. Evaporator to condenser,... More Info
Notes: Included: With Compressor To Condenser Line. More Notes
MSRP $114.87
$103.38
MSRP $114.87
$103.38
Air Conditioning Refrigerant Suction Hose
Part Number: 25713423
Other Names: AC Hoses More Names
Description: Evaporator to accumulator. Drier to accumulator. 4.6L. This GM Genuine Part is designed, engineered, and tested to rigorous standards... More Info
MSRP $234.60
$130.20
MSRP $234.60
$130.20
AC Hoses
Part Number: 22582192
Other Names: AC Hose, Lines, Hose & Tube Assembly More Names
Description: 3.1L. More Info
MSRP $139.32
$125.39
MSRP $139.32
$125.39
AC Hose
Part Number: 22586985
Other Names: AC Hoses More Names
Description: Suction & discharge, 6 cylinder. From rear of compressor. Chevrolet. 6 cylinder. 3.1L. More Info
MSRP $141.41
$127.27
MSRP $141.41
$127.27
AC Hose
Part Number: 22587822
Other Names: AC Hoses More Names
Description: 2.0L without turbo, stamped 22551149. From rear of compressor. Pontiac. All. 4 cylinder. More Info
MSRP $161.58
$145.42
MSRP $161.58
$145.42
Air Conditioning Refrigerant Liquid Hose
Part Number: 22653160
Other Names: AC Tube More Names
Description: 3.4L & 2.2L, to evaporator. Repair leaking A/C system, restore A/C function More Info
MSRP $84.40
$50.64
MSRP $84.40
$50.64

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