2005 Cadillac STS Air Conditioning Parts

Keep Your 2005 Cadillac STS in Top Shape with Quality Air Conditioning Parts

Whether you’re repairing or upgrading your Air Conditioning Part, using high-quality parts is key to keeping your 2005 Cadillac STS looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including AC Caps and Valve Core Kits, AC Condensers, and Expansion Valve and Orifice Tubes. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Air Conditioning Parts from Trusted Brands

Looking for a reliable Air Conditioning Part? We’ve got you covered with options from brands you know and trust like Factory Air, Carquest Premium, and ACDelco. For example, Factory Air Air Conditioning Parts start at just $29.49 with an average 4.4 star rating. Carquest Premium and ACDelco offer similar pricing and quality, backed by strong customer feedback. With over 134 reviews and a solid 5 star average, you can shop with confidence knowing other Cadillac STS owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2005 Cadillac STS Air Conditioning Part at Advance Auto Parts is around $51.26, with a range that starts at $1.49 and goes up to $468.99. With 47 options in stock from 7 trusted brands, finding the right fit is easy. Popular picks like Body Bolt – M6-1.0 X 25mm, A/C Desiccant Bag Kit, and Multi-Purpose Relay start at just $4.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Air Conditioning Part, don’t forget to check out other key components like Engine Cooling Parts and HVAC Electrical Parts. At Advance Auto Parts, we’re here to help you keep your 2005 Cadillac STS in peak condition, inside and out.

Find Your Specific 2005 Cadillac STS Air Conditioning Parts

Looking for the perfect Air Conditioning Part for your 2005 Cadillac STS? You’re in the right place. Below, you’ll find links to various types of Air Conditioning Parts that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Air Conditioning Parts, ensuring durability and a precise fit for your Cadillac STS. Whether you’re driving a 2005 model or another popular model year like 2006, 2007, 2008, 2009, 2010, and 2011, we’ve got you covered. Purchasing Air Conditioning Parts from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Air Conditioning Parts that fit your vehicle.

Essential 2005 Cadillac STS Air Conditioning Parts

GM Genuine Parts – Black Multi-Purpose Pigtail (Part No.PT2726)

Black Multi-Purpose Pigtail

from

$30.49
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
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Dorman – Body Bolt – M6-1.0 X 25mm (Part No.963-232D)

Body Bolt - M6-1.0 X 25mm

from

$4.99
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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Carquest Premium – A/C Valve Core/Cap (Part No.T26783)

A/C Valve Core/Cap

from

$21.99
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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Dorman – Pigtail -Evap. Canister Vent Valve Solenoid, Red, 2-way with Leads (Part No.645-631)

Pigtail -Evap. Canister Vent Valve Solenoid, Red, 2-way with Leads

from

$41.99
Make better electrical repairs and accessory installations with a Dorman pigtail connector. Designed for a clean appearance when installed, Dorman connectors are ideal for neatly securing wiring jobs in automotive, commercial, industrial and household applications. Our pigtails are constructed from quality materials for long service life and resistance to the elements, and offer a range of features including locking tabs, weatherproof seals and more, where applicable. Check the product details to choose the best product for your electrical wiring needs.

Product Features:
  • Ideal solution – this pigtail connector is designed to neatly connect to an idle control valve on specified vehicles
  • Ensure fit – check the product details to choose the best product for your needs
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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Carquest Premium – A/C Discharge Line Hose Assembly (Part No.T56497)

A/C Discharge Line Hose Assembly

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.

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 A/C components.
  • 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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Dorman – Drive Type Rivet-GM-Hole SIze-6.5mm, Diameter 18mm (Part No.963-208)

Drive Type Rivet-GM-Hole SIze-6.5mm, Diameter 18mm

from

$4.99
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
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KAI – A/C Condenser (Part No.CNDDPI3350)

A/C Condenser

from

$109.99
New Platinum Pro A/C Condenser, With Tow Package/Heavy Duty Cooling

Product Features:
  • With Tow Package/Heavy Duty Cooling, Made Of Aluminum
  • 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
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ACDelco – Multi-Purpose Relay (Part No.D1741C)

Multi-Purpose Relay

from

$28.99
ACDelco Professional Temperature Control Relay is a high quality aftermarket replacement component for one or more of the following vehicle systems: HVAC. This premium aftermarket relay is manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
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Carquest Premium – A/C Block Type O-Ring Expansion Valve (Part No.T39186)

A/C Block Type O-Ring Expansion Valve

from

$35.99
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.

Product Features:
  • The bodies of these expansion valves are machined from a single block of aluminum or brass metal.
  • Each expansion valve has settings for tonnage and superheat based on the vehicle specifications.
  • Each expansion valve 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.
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Carquest Premium – Multi-Use Connector (Part No.PTA1091)

Multi-Use Connector

from

$35.99
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.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
  • 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 – Multi-Purpose Relay (Part No.83A1004)

Multi-Purpose Relay

from

$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.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Computer-Aided Design (CAD), laser scanning and 3D printing ¿ utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) ¿ in the part design process ensures speed-to-market and a precise fit guaranteed.
  • Computer-Aided Design (CAD), laser scanning and 3D printing ┐ utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) ┐ in the part design process ensures speed-to-market and a precise fit guaranteed.
  • Where applicable, robust circuit board design increases durability due to heat, shock, and random electro-magnetic pulses (EMP) and power spikes.
  • Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
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Carquest Premium – HVAC Pressure Switch (Part No.ACA1315)

HVAC Pressure Switch

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.

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.
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Carquest Premium – A/C Desiccant Bag Kit (Part No.T83029)

A/C Desiccant Bag Kit

from

$43.99
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, with Clutch, with 7SBU16C Compressor (Part No.T98385)

A/C New, with Clutch, with 7SBU16C Compressor

from

$468.99
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.
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ACDelco – Multi-Purpose Pigtail (Part No.PT2319)

Multi-Purpose Pigtail

from

$53.99
ACDelco Professional Throttle Position Sensor Connector is a high quality aftermarket replacement component for one or more of the following vehicle systems: ignition, starting and charging, body-electrical and lighting, and/or engine fuel management. This premium aftermarket connector is manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
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Carquest Premium – Multi-Use Connector (Part No.PTA1328)

Multi-Use Connector

from

$18.99
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.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
  • 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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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

$1.49
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
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Carquest Premium – A/C Evaporator Parallel Flow (Part No.T64022)

A/C Evaporator Parallel Flow

from

$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.

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.
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Carquest Premium – A/C Plate and Fin Evaporator (Part No.T44038)

A/C Plate and Fin Evaporator

from

$183.99
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.
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Carquest Premium – HVAC Cut-Off Switch (Part No.ABA1015)

HVAC Cut-Off Switch

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.

Product Features:
  • Durable Construction: Designed with high-quality materials to withstand harsh environmental conditions, ensuring long-lasting performance in extreme temperatures, vibrations, and moisture exposure.
  • Precision Engineering: Accurate sensing and switching capabilities provide reliable performance, reducing the risk of malfunctions and improving vehicle safety and efficiency.
  • Easy Installation & Maintenance: Designed for quick installation and minimal upkeep, reducing downtime and repair costs for both manufacturers and consumers.
  • Fit/Form/Function: Each vehicle electronic component is engineered to meet or surpass OEM standards, ensuring precise fit, optimal functionality, and reliable performance.
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Factory Air – Compressor Mounted High Cut-Out Pressure Switch (Part No.35974)

Compressor Mounted High Cut-Out Pressure Switch

from

$36.99
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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(10 reviews)
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Factory Air – Compressor Mounted Low Cut-Out Pressure Switch (Part No.35970)

Compressor Mounted Low 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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(1 reviews)
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Carquest Premium – A/C Suction Line Hose Assembly (Part No.T56561)

A/C Suction Line Hose Assembly

from

$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.

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 A/C components.
  • 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 – Multi-Use Connector (Part No.PTA2471)

Multi-Use Connector

from

$89.99
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.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
  • 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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GM Genuine Parts – Gray Multi-Purpose Pigtail (Part No.PT3923)

Gray Multi-Purpose Pigtail

from

$46.49
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
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Popular 2005 Cadillac STS Air Conditioning Parts Categories

AC Compressor Without Clutch
AC Compressor Without Clutch
AC Harness Connectors
AC Harness Connectors
Air Conditioning Relays
Air Conditioning Relays
AC Condensers
AC Condensers
AC Compressor Cut-Out Relays
AC Compressor Cut-Out Relays
AC Evaporators
AC Evaporators
AC Caps and Valve Core Kits
AC Caps and Valve Core Kits
AC Receiver Drier Desiccant Elements
AC Receiver Drier Desiccant Elements
AC Clutch Coil Connectors
AC Clutch Coil Connectors
AC Discharge Lines
AC Discharge Lines
AC Suction Lines
AC Suction Lines
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 Condenser Screw
AC Condenser Screw
AC Condenser Fan Switch Harness Connectors
AC Condenser Fan Switch Harness Connectors
HVAC Heater Control Switch Connector
HVAC Heater Control Switch Connector
AC Low Pressure Side Switches
AC Low Pressure Side Switches
AC Line Clip
AC Line Clip
AC Hose Bolt
AC Hose Bolt
AC Compressor Water Valve Solenoid Connectors
AC Compressor Water Valve Solenoid Connectors

Most Popular AC Caps and Valve Core Kits for 2005 Cadillac STSs

Enhance your 2005 Cadillac STS with one of the 2 AC Caps and Valve Core Kits we have in stock, starting at just $18.99.
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Factory Air – Cap & Valve A/C System Seal Kit (Part No.26775)

Cap & Valve A/C System Seal Kit

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.

Product Features:
  • All the seals needed to complete the job
  • Compatible with both R12 and R134a refrigerants
  • SUV and rear air applications
  • Application specific
  • All the seals needed to complete the job
  • Compatible with both R12 and R134a refrigerants
  • SUV and rear air applications
  • Application specific
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(26 reviews)
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Carquest Premium – A/C Valve Core/Cap (Part No.T26783)

A/C Valve Core/Cap

from

$21.99
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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Best-Selling 2005 Cadillac STS AC Condensers

Upgrade your STS with one of our 3 best-selling AC Condensers.
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KAI – A/C Condenser (Part No.CNDDPI3350)

A/C Condenser

from

$109.99
New Platinum Pro A/C Condenser, With Tow Package/Heavy Duty Cooling

Product Features:
  • With Tow Package/Heavy Duty Cooling, Made Of Aluminum
  • 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
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Carquest Premium – A/C Condenser and Receiver Drier Assembly (Part No.2230)

A/C Condenser and Receiver Drier Assembly

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.

Product Features:
  • This is a parallel flow condenser that contains small micro-channels. It is highly recommended that this condenser be replaced if a failure has occurred in the vehicle’s air conditioning system that has resulted in debris contaminating the system.
  • This Carquest condenser has a drier attached to it with an interior desiccant bag which will provide optimal moisture removal in the a/c system to maximize cooling performance.
  • The Carquest condenser production process includes quality driven details such as using zinc-coated tubes and electrostatic paint spray at high temperatures to provide the best corrosion resistance and durability in our condensers.
  • Continuous molds, laser welding machines, semi-automatic assembly stations and other advanced equipment provide quality products.
  • Each condenser uses only the highest quality raw materials including pure aluminum (not substandard or recycled) to provide the highest quality standards from beginning to finished product.
  • All brackets are designed per OEM specifications to ensure strength and reduce vibration and movement.
  • We leak test 100% of our condensers in helium leak test chambers to ensure the product does not leak.
  • Our condensers are manufactured from rigid design standards to fit OEM dimensions.
  • Each condenser design endures a series of tests that includes performance testing, vibration testing, blast testing, and salt spray testing to simulate real world conditions.
  • Each Carquest condenser is packaged using superior box construction. This box is easy to open and seal. Each condenser is packaged in the box with internal protection to keep the part centered and away from the package edges.
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KAI – A/C Condenser (Part No.CNDDPI3349)

A/C Condenser

from

$98.99
New Platinum Pro A/C Condenser, Without Tow Package Or Heavy Duty Cooling

Product Features:
  • Without Tow Package Or Heavy Duty Cooling, Made Of Aluminum
  • 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
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Top-Quality Expansion Valve and Orifice Tubes for 2005 Cadillac STSs

Choose a high-quality OEM or aftermarket Expansion Valve and Orifice Tube for Cadillac STSs and enjoy top-notch performance from $35.99.
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Carquest Premium – A/C Block Type O-Ring Expansion Valve (Part No.T39186)

A/C Block Type O-Ring Expansion Valve

from

$35.99
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.

Product Features:
  • The bodies of these expansion valves are machined from a single block of aluminum or brass metal.
  • Each expansion valve has settings for tonnage and superheat based on the vehicle specifications.
  • Each expansion valve 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.
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(1 reviews)
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Top Picks for 2005 Cadillac STS AC Compressor Without Clutch

Invest in one of our 2 durable AC Compressor Without Clutch for your 2005 Cadillac, knowing you’re getting trusted brands and expert craftsmanship.
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Carquest Premium – A/C New, with Clutch, with 7SBU16C Compressor (Part No.T98385)

A/C New, with Clutch, with 7SBU16C Compressor

from

$468.99
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.
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Carquest Standard – Remanufactured Nippondenso 7SBU16C Compressor with Clutch (Part No.DW97385)

Remanufactured Nippondenso 7SBU16C Compressor with Clutch

from

$291.99
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.

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
  • Remanufactured compressors are 100 percent tested to ensure compressor function and noise level meets or exceeds OE specifications
  • Remanufactured compressors come pre-charged with 3 ounces of PAG oil for R134a or R1234yf applications
  • Remanufactured compressors are individually vacuum and pressure tested to ensure no leaks
  • Remanufactured compressors come with the R12/R134A/1234yf required O-rings /sealing washers to install the compressor
  • Remanufactured Compressors are built in a ISO9001:2015 Certified facility to ensure consistent quality standards in the Re-manufacturing process
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Top-Rated Air Conditioning Relays for 2005 Cadillac STSs

Make a smart move for your 2005 Cadillac STS with products all priced from $13.99 to $32.99.
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ACDelco – Multi-Purpose Relay (Part No.D1741C)

Multi-Purpose Relay

from

$28.99
ACDelco Professional Temperature Control Relay is a high quality aftermarket replacement component for one or more of the following vehicle systems: HVAC. This premium aftermarket relay is manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
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(1 reviews)
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GM Genuine Parts – Multi-Purpose Relay (Part No.15-81106)

Multi-Purpose Relay

from

$32.99
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
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Carquest – Multi-Purpose Relay (Part No.83A1005)

Multi-Purpose Relay

from

$18.99
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.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Computer-Aided Design (CAD), laser scanning and 3D printing ¿ utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) ¿ in the part design process ensures speed-to-market and a precise fit guaranteed.
  • Computer-Aided Design (CAD), laser scanning and 3D printing ┐ utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) ┐ in the part design process ensures speed-to-market and a precise fit guaranteed.
  • Where applicable, robust circuit board design increases durability due to heat, shock, and random electro-magnetic pulses (EMP) and power spikes.
  • Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
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Carquest Premium – Multi-Purpose Relay (Part No.RAA1746)

Multi-Purpose Relay

from

$13.99
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.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
  • Where applicable, robust circuit board design increases durability due to heat, shock, and random electro-magnetic pulses (EMP) and power spikes.
  • Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
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Top-Rated Air Conditioning Part Brands For Your 2005 Cadillac STS

When it comes to finding the perfect Air Conditioning Part for your 2005 Cadillac STS, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 7 trusted brands. We carry the most popular Air Conditioning Part brands including ACDelco, Factory Air, and Carquest Premium, and more, all known for their exceptional customer ratings (average brand rating of 4.7 stars) and competitive prices, as low as $28.99. Purchasing a Air Conditioning Part from us here at Advance Auto Parts is a smart move for both you and your 2005 Cadillac STS, providing peace of mind with parts that meet or exceed OEM standards.

Popular ACDelco 2005 Cadillac STS Air Conditioning Parts

If you’re looking for a top-quality Air Conditioning Part for your 2005 Cadillac STS, Advance Auto Parts has exactly what you need with our selection of ACDelco Air Conditioning Parts. We have 1 ACDelco Air Conditioning Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $28.99, you’ll find the perfect Air Conditioning Part for your needs and budget. ACDelco Air Conditioning Parts for the 2005 Cadillac STS come highly rated, with over 1 customer reviews and an impressive average rating of 4.7 stars. Choosing a ACDelco Air Conditioning Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Multi-Purpose Relay
from $28.99
(1)
Multi-Purpose Relay
“WORKS WELL ON 2014 KIA SEDONA!! AAP NEEDS TO UPDATE IN THEIR SYSTEM THAT THIS PART FITS!!”

Top-Quality Factory Air 2005 Cadillac STS Air Conditioning Parts

For those in search of a high-quality Air Conditioning Part for their 2005 Cadillac STS, Advance Auto Parts offers a great selection of Factory Air Air Conditioning Parts. With 3 Factory Air Air Conditioning Parts in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Air Conditioning Parts start at just $29.49, with an average price of $32.82, giving you a range of options to suit your budget. Backed by over 7 customer ratings and an average rating of 4.4 stars, Factory Air Air Conditioning Parts provide both reliability and excellent performance. Choosing a Factory Air Air Conditioning Part from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Compressor Mounted High Cut-Out Pressure Switch
from $34.49
(5)
Compressor Mounted High Cut-Out Pressure Switch
“Exact fit works great”
Compressor Mounted Low Cut-Out Pressure Switch
from $34.49
(1)
Compressor Mounted Low Cut-Out Pressure Switch
“It was the problem new on mad ac work”
Compressor Mounted High Cut-Out Pressure Switch
from $29.49
(1)
Compressor Mounted High Cut-Out Pressure Switch
“Need to get the right one for you sestem look at the color of the housing”

FAQs for 2005 Cadillac STS Air Conditioning Parts

What are the best-selling Air Conditioning Parts for 2005 Cadillac STSs?

Out of 47 Air Conditioning Parts that fit 2005 Cadillac STSs, the following parts are the top sellers:

What’s the price range for 2005 Cadillac STS Air Conditioning Parts?

The prices of Air Conditioning Parts for the 2005 Cadillac STS range from $1.49 up to $468.99 for the most premium parts.

What is the average price of an Air Conditioning Part for a 2005 Cadillac STS?

The average price for Air Conditioning Parts for the 2005 Cadillac STS is $51.26. Keep in mind the variety of part types within our Air Conditioning Part category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Air Conditioning Parts for other Cadillac STS model years?

Yes, we carry Air Conditioning Parts for 5 model years of Cadillac STSs between 2006 and 2011. The following model years are the most popular for Air Conditioning Part purchases: 2011, 2010, 2009, 2008, 2007, and 2006.

What are the cheapest Air Conditioning Parts for my 2005 Cadillac STS?

The cheapest 2005 Cadillac STS Air Conditioning Parts we carry are:

Does Advance Auto Parts sell Air Conditioning Parts for any other 2005 Cadillac models?

What are the top-rated Air Conditioning Parts that fit the 2005 Cadillac STS?

Based on 134 reviews by customers, our 2005 Cadillac STS Air Conditioning Parts have an average customer rating of 5 stars. These are the highest-rated categories of Air Conditioning Parts for the 2005 Cadillac STS and their top-rated products:

What types of Air Conditioning Parts do you sell for my 2005 Cadillac STS?

As of 11/2/25, these are some of the most in-demand types of Air Conditioning Parts for a 2005 Cadillac STS:

Can I get help with 2005 Cadillac STS Air Conditioning Part orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Cadillac Air Conditioning Parts and more.

What is your return policy for Cadillac STS Air Conditioning Parts?

Advance Auto Parts keeps returns simple. For new Cadillac STS Air Conditioning Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

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