Cadillac STS Air Conditioning Parts

Your One-Stop Shop For Trusted Cadillac STS Air Conditioning Parts

If you’re in search of Cadillac STS Air Conditioning Parts aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 46 Air Conditioning Parts from top brands with prices ranging from $13.99 to $470.99.

Beyond great prices, we stock trusted brands manufacturing all types of Air Conditioning Parts for your Cadillac STS.

And don’t forget to read customer reviews across all Air Conditioning Parts categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Air Conditioning Parts have to cost top dollar, and we prove it. Browse our top Cadillac STS Air Conditioning Parts below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Please Select your Vehicle to See Exact Fit Parts

Essential Cadillac STS Air Conditioning Parts

Carquest Premium – Carquest Multi-Use Connector, PTA1328 (Part No.PTA1328)

Carquest Multi-Use Connector, PTA1328

from

$21.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
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Carquest Premium – Carquest A/C System Valve Core and Cap Kit, T26778 (Part No.T26778)

Carquest A/C System Valve Core and Cap Kit, T26778

from

$42.99
Carquest A/C Accessories are designed for optimal performance to protect your air conditioning parts and systems from unwanted leaks. They are designed to seal each connection with premium quality material and exact measurements.
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Carquest Premium – Carquest Multi-Use Connector, PTA1017 (Part No.PTA1017)

Carquest Multi-Use Connector, PTA1017

from

$31.49
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
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Carquest Premium – Carquest A/C Expansion Valve, T39186 (Part No.T39186)

Carquest A/C Expansion Valve, T39186

from

$34.99
Carquest Expansion Valves are designed to regulate the flow of refrigerant through the air conditioning system to provide optimal cooling to the passenger compartment. Each expansion valve 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.
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(1 reviews)
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Factory Air – Factory Air Cap & Valve A/C System Seal Kit, 26775 (Part No.26775)

Factory Air Cap & Valve A/C System Seal Kit, 26775

from

$18.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Factory Air.
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(26 reviews)
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Carquest Premium – Carquest A/C Refrigerant Suction Hose, T56561 (Part No.T56561)

Carquest A/C Refrigerant Suction Hose, T56561

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$80.99
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.
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KAI – KAI A/C Desiccant Element, ARD010152 (Part No.ARD010152)

KAI A/C Desiccant Element, ARD010152

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$13.99
New Standard Replacement A/C Receiver Drier/Desiccant Element
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Carquest Premium – Carquest A/C Condenser Fan Switch Harness Connector, T37227 (Part No.T37227)

Carquest A/C Condenser Fan Switch Harness Connector, T37227

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$25.99
Carquest A/C Accessories provide a comprehensive offering of premium quality fittings and tools to service all aspects of an a/c service from the most simple fitting replacement to complex diagnostics required for late model applications.
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ACDelco – ACDelco Multi-Purpose Pigtail, PT2834 (Part No.PT2834)

ACDelco Multi-Purpose Pigtail, PT2834

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$39.99
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.
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Carquest Premium – Carquest Air Conditioner Refrigerant Pressure Sensor, ACA1755 (Part No.ACA1755)

Carquest Air Conditioner Refrigerant Pressure Sensor, ACA1755

from

$42.99
The Carquest Premium line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Sensor reports system pressures to the on-board computer, in turn allowing the computer to properly and efficiently control the compressor, fans and system levels. An improperly functioning A/C Pressure Sensor will provide erratic or inaccurate readings to on-board computers severely affecting system performance and function. Without reliable and accurate data from a properly functioning A/C Pressure Sensor, on-board computers are unable to protect the safety of critical components and the system as a whole which can lead to excessive wear and tear on critical components and costly system damage.
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KAI – KAI A/C Condenser, CNDDPI3349 (Part No.CNDDPI3349)

KAI A/C Condenser, CNDDPI3349

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$107.99
New Platinum Pro A/C Condenser, Without Tow Package Or Heavy Duty Cooling
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Carquest Premium – Carquest A/C Condenser and Receiver Drier Assembly, 2230 (Part No.2230)

Carquest A/C Condenser and Receiver Drier Assembly, 2230

from

$177.99
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.
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Carquest Premium – Carquest Brake Fluid Pressure Sensor, BBA1008 (Part No.BBA1008)

Carquest Brake Fluid Pressure Sensor, BBA1008

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$116.99
Pressure sensors are used within several operating systems on the vehicle. Subjects in this category measure the pressure of both liquid and air to include air in a positive pressure and negative pressure range. Pressure sensors report out as the result of an electrical device called a strain gauge which produces an analog or digital signal output dependent on the needs of the circuit. Pressures may be very low such as barometric pressure, or extremely high such as in a high-pressure fuel injection system.
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National – National Differential Pinion Seal, 710998 (Part No.710998)

National Differential Pinion Seal, 710998

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$29.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
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Carquest Premium – Carquest Multi-Use Connector, PTA1329 (Part No.PTA1329)

Carquest Multi-Use Connector, PTA1329

from

$22.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
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Carquest Premium – Carquest HVAC Pressure Switch, ACA1315 (Part No.ACA1315)

Carquest HVAC Pressure Switch, ACA1315

from

$20.99
The Carquest Premium 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.
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Carquest Premium – Carquest HVAC Cut-Off Switch, ABA1015 (Part No.ABA1015)

Carquest HVAC Cut-Off Switch, ABA1015

from

$38.99
Carquest Premium Vehicle Solutions provides high-quality solutions for a wide range of applications. The HVAC Pressure Sensor/Switch monitors the refrigerant pressure within the air conditioning system, ensuring optimal performance and preventing potential system damage, which enhances climate control and passenger comfort. Engineered for maximum performance and durability, our products are built to excel in even the most demanding conditions, ensuring reliable operation and long-lasting value.
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Carquest – Carquest Multi-Purpose Relay, 83A1004 (Part No.83A1004)

Carquest Multi-Purpose Relay, 83A1004

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$16.99
Relays are electrical switches used to convert a small electrical load into a circuit capable of handling a high amperage load. Computers and small switches are not designed to carry the higher amperage requirement of a circuit that may have an electric motor, solenoid, or high amperage lighting fixture. Within a relay are contacts that are controlled with electromagnetism, when the circuit switch commands the device on or off, magnetism will pull or release the contact arm closing or opening the contacts within the relay that carry the voltage.
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Carquest Premium – Carquest A/C Evaporator Core, T64022 (Part No.T64022)

Carquest A/C Evaporator Core, T64022

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$137.99
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.
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Carquest Premium – Carquest A/C Compressor Cut-Off Switch Harness Connector, T37222 (Part No.T37222)

Carquest A/C Compressor Cut-Off Switch Harness Connector, T37222

from

$29.99
Carquest A/C Accessories provide a comprehensive offering of premium quality fittings and tools to service all aspects of an a/c service from the most simple fitting replacement to complex diagnostics required for late model applications.
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Carquest Premium – Carquest A/C Receiver Drier / Desiccant Element Header and Filter, T83029 (Part No.T83029)

Carquest A/C Receiver Drier / Desiccant Element Header and Filter, T83029

from

$26.99
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.
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(7 reviews)
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Carquest Standard – Carquest Remanufactured Nippondenso 7SBU16C Compressor with Clutch, DW97385 (Part No.DW97385)

Carquest Remanufactured Nippondenso 7SBU16C Compressor with Clutch, DW97385

from

$293.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Carquest.
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Factory Air – Factory Air Compressor Mounted Low Cut-Out Pressure Switch, 35973 (Part No.35973)

Factory Air Compressor Mounted Low Cut-Out Pressure Switch, 35973

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$31.49
High quality OE replacement part with all components needed to complete the job
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(14 reviews)
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Carquest Premium – Carquest A/C Refrigerant Discharge Hose, T56497 (Part No.T56497)

Carquest A/C Refrigerant Discharge Hose, T56497

from

$69.99
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.
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Certified A/C Pro – Certified A/C PRO Power Clean & Flush (1.06 lbs.) (CA Compliant), CA-1 (Part No.CA-1)

Certified A/C PRO Power Clean & Flush (1.06 lbs.) (CA Compliant), CA-1

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$19.99
Certified A/C Pro Power Clean and Flush Aerosol Cleaner. Aerosol flush for R134a and R12 auto Refrigerant air conditioning systems. Safely removed old oil and contaminants from the air condistion systems. Includes disposable dispensing hose. Biodegradable and environmentally friendly. Fast drying Pproduct includes installation hose.
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(71 reviews)
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Cadillac STS Air Conditioning Parts List

AC Compressor Without Clutch
AC Compressor Without Clutch
AC Flushes and Solvents
AC Flushes and Solvents
ABS Control Relays
ABS Control Relays
AC Condenser and Receiver Drier Assemblies
AC Condenser and Receiver Drier Assemblies
HVAC Control Select Switch Connectors
HVAC Control Select Switch Connectors
AC Harness Connectors
AC Harness Connectors
AC Condensers
AC Condensers
AC Line O-Rings
AC Line O-Rings
AC Evaporators
AC Evaporators
AC Caps and Valve Core Kits
AC Caps and Valve Core Kits
AC Compressor Cut-Out Relay Harness Connectors
AC Compressor Cut-Out Relay Harness Connectors
Accumulator and Receiver Driers
Accumulator and Receiver Driers
ABS Speed Sensors
ABS Speed Sensors
AC Discharge Lines
AC Discharge Lines
AC Hose Assemblies
AC Hose Assemblies
Expansion Valve and Orifice Tubes
Expansion Valve and Orifice Tubes
AC High Pressure Side Switches
AC High Pressure Side Switches
AC Compressor Cut-Off Switches
AC Compressor Cut-Off Switches
AC Switch Connectors
AC Switch Connectors
AC Compressor Switch Connectors
AC Compressor Switch Connectors
AC Refrigerant Pressure Sensors
AC Refrigerant Pressure Sensors
AC Condenser Fan Switch Harness Connectors
AC Condenser Fan Switch Harness Connectors
Gaskets, Seals, Springs and Washers
Gaskets, Seals, Springs and Washers
AC Receiver or Drier
AC Receiver or Drier
AC Low Pressure Side Switches
AC Low Pressure Side Switches

Air Conditioning Parts Brands You Can Trust For Your Cadillac STS

8 trusted brands of Air Conditioning Parts line our shelves, ready to help keep your Cadillac STS running smooth. Below are some of the most popular brands and their top Air Conditioning Parts offerings:

Top Cadillac STS Air Conditioning Parts from Factory Air

Your Cadillac STS will be purring again thanks to Factory Air brand Air Conditioning Parts available for online order or in-store pick up. Popular Factory Air parts include:
Factory Air Cap & Valve A/C System Seal Kit, 26783
from $21.99
(29)
Factory Air Cap & Valve A/C System Seal Kit, 26783
AC Line O-Rings
Factory Air Cap & Valve A/C System Seal Kit, 26775
from $18.99
(26)
Factory Air Cap & Valve A/C System Seal Kit, 26775
AC Line O-Rings
Factory Air Compressor Mounted Low Cut-Out Pressure Switch, 35973
from $15.75
(14)
Factory Air Compressor Mounted Low Cut-Out Pressure Switch, 35973
AC Low Pressure Side Switches

Most Purchased Cadillac STS Air Conditioning Parts from Certified A/C Pro

When you buy the most frequently purchased Certified A/C Pro brand Air Conditioning Parts, you can be confident it will be the right part for your Cadillac STS. Here are the Certified A/C Pro Air Conditioning Parts Advanced Auto customers buy the most:
Certified A/C PRO Power Clean & Flush (1.06 lbs.) (CA Compliant), CA-1
from $19.99
(71)
Certified A/C PRO Power Clean & Flush (1.06 lbs.) (CA Compliant), CA-1
AC Flushes and Solvents
Factory Air Cap & Valve A/C System Seal Kit, 26783
from $21.99
(29)
Factory Air Cap & Valve A/C System Seal Kit, 26783
AC Line O-Rings
Factory Air Cap & Valve A/C System Seal Kit, 26775
from $18.99
(26)
Factory Air Cap & Valve A/C System Seal Kit, 26775
AC Line O-Rings

FAQs for Cadillac STS Air Conditioning Parts

What are the most purchased Air Conditioning Parts for the Cadillac STS?

Out of 46 Air Conditioning Parts for the Cadillac STS, the most popular in our inventory are:
Certified A/C PRO Power Clean & Flush (1.06 lbs.) (CA Compliant), CA-1
from $19.99
(71)
Certified A/C PRO Power Clean & Flush (1.06 lbs.) (CA Compliant), CA-1
AC Flushes and Solvents
Carquest Multi-Purpose Relay, 83A1004
from $16.99
This product is not rated
Carquest Multi-Purpose Relay, 83A1004
ABS Control Relays
Factory Air Compressor Mounted High Cut-Out Pressure Switch, 35974
from $18.45
(10)
Factory Air Compressor Mounted High Cut-Out Pressure Switch, 35974
AC High Pressure Side Switches

What are the top-rated Cadillac STS Air Conditioning Parts?

Top-rated Air Conditioning Parts for your Cadillac STS based on customer reviews/ratings are:
Factory Air Compressor Mounted High Cut-Out Pressure Switch, 20055
from $17.25
(5)
Factory Air Compressor Mounted High Cut-Out Pressure Switch, 20055
“The new a/c compressor wanted me to use my old switch. I couldn’t get it out, so I bought this one. I wouldn’t have used the old one anyway. It worked”

More Popular Parts for All Makes