1991 Cadillac DeVille Air Conditioning Parts

Essential 1991 Cadillac DeVille Air Conditioning Parts

Carquest Premium – A/C Compressor Connector (Part No.PTA1641)

A/C Compressor Connector

from

$24.29
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 Premium electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
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Carquest Standard – Reman GM A6 Compressor w/ Clutch (Part No.DW57089)

Reman GM A6 Compressor w/ Clutch

from

$281.99
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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Carquest Premium – HVAC Power Servo Connector (Part No.PTA1912)

HVAC Power Servo Connector

from

$4.99
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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Factory Air – Compressor Mounted High Cut-Out Pressure Switch (Part No.35961)

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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GM Genuine Parts – Black Multi-Purpose Relay (Part No.13502674)

Black Multi-Purpose Relay

from

$19.99
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 Premium – A/C New, with Clutch, with R4 Heavy Compressor (Part No.T58231)

A/C New, with Clutch, with R4 Heavy Compressor

from

$274.99
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 Premium – Multi Purpose Relay (Part No.RAA1234)

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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Factory Air – New GM Harrison DA6-HR6-HD6-HT6+HE6 Clutch Assembly w/ Coil (Part No.47667)

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

from

$182.99
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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Driveworks – Ball Bearing (Part No.S-907257)

Ball Bearing

from

$22.29
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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ACDelco – 2-Way Female Gray Multi-Purpose Pigtail (Part No.PT209)

2-Way Female Gray 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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Carquest Premium – Multi Purpose Relay (Part No.RAA1241)

Multi Purpose Relay

from

$21.99
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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Santech – A/C O-Ring Kit (Part No.R1151317306SII)

A/C O-Ring Kit

from

$11.89
A/C O-Ring Kit

Carquest Premium – A/C Plate and Fin Evaporator (Part No.T54593)

A/C Plate and Fin Evaporator

from

$124.99
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 Discharge and Suction Line Hose Assembly (Part No.T56169)

A/C Discharge and Suction Line Hose Assembly

from

$93.99
Carquest Hose Assemblies are designed to carry refrigerant in an air conditioning system. They are manufactured to meet or exceed original equipment specifications and are designed to easily fit into the engine compartment.

Product Features:
  • 100% of hose assemblies use Goodyear hoses that meet original equipment specifications for wall thickness and permeation.
  • Tubes and mufflers are designed to meet original equipment specifications for wall thickness.
  • Fittings are designed to couple and seal to eliminate leaks. Trivalent plating is used on steel fittings to enhance corrosion resistance. The fittings conform to original equipment specifications to allow for the proper fit with related air conditioning
  • Welds and crimps meet and exceed original equipment tension specifications.
  • Manufactured to allow flexibility in the hose to conform to engine compartments.
  • O-Rings necessary for installation are included.
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Factory Air – System Mounted Low Cut-Out Pressure Switch (Part No.35757)

System Mounted Low Cut-Out Pressure Switch

from

$26.05
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
  • Vehicle specific applications
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Dorman – Metal Clip Nut No.8 (Part No.961-304D)

Metal Clip Nut No.8

from

$4.49
Dorman offers a comprehensive line of Clip / Spring Nuts for a range of automotive applications. They are available for use with a large variety of screw sizes, throat depths, and panel ranges.

Product Features:
  • Constructed of high-quality materials for long-lasting durability
  • Many different styles are available, including threaded and wide panel
  • Packaged in a variety of piece counts for use with both small and large projects
  • Also suitable for a broad range of industrial and commercial uses
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ACDelco – GM Original Equipment Wheel Hub and Bearing Assembly (Part No.K7001201488ACD)

GM Original Equipment Wheel Hub and Bearing Assembly

from

$438.97
An ACDelco GM Original Equipment Wheel Bearing and Hub Assembly is complete wheel bearing and wheel hub assemblies. The unitized wheel bearing contains dual ball or tapered roller bearing elements sealed with lifetime lubrication and supports the vehicle while allowing the wheel to rotate. This original equipment wheel bearing and hub assembly is engineered to fit your specific GM vehicle and will provide the same performance, durability, and service life you expect from General Motors. Get the GM quality you know and trust with ACDelco GM Original Equipment Bearings and Oil Seals. Stay with the brand of parts your vehicle came with and get peace of mind that the fit, form, and function is up to the high standards and specifications of General Motors. ACDelco GM Original Equipment Bearings and Oil Seals are engineered for virtually every make and model of GM car, light duty truck, and sport utility vehicle. ACDelco offers a variety of bearings and seals for your GM vehicle, such as wheel hub bearings, generator/alternator bearings, front and rear wheel seals, rear axle seals, etc. When smooth, efficient performance is critical, choose ACDelco.

Product Features:
  • High quality materials ensure long service life
  • 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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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
See More

ACDelco – 2-Way Female Black Multi-Purpose Pigtail (Part No.PT131)

2-Way Female Black Multi-Purpose Pigtail

from

$32.49
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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ACDelco – A/C Idler Pulley (Part No.R1081602139ACD)

A/C Idler Pulley

from

$273.99
A/C Idler Pulley

Carquest Premium – A/C TXV O-Ring Expansion Valve (Part No.T38652)

A/C TXV O-Ring Expansion Valve

from

$27.99
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.
  • O-Rings necessary for installation are included.
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Factory Air – O-Ring & Gasket A/C System Seal Kit (Part No.26730)

O-Ring & Gasket A/C System Seal Kit

from

$9.29
High quality OE replacement part with all components needed to complete the job

Product Features:
  • All the seals needed to complete the job
  • Compatible with both R12 and R134a refrigerants
  • Application specific
  • SUV and rear air applications
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Dorman – A/C Compressor Clutch Harness (Part No.645-781)

A/C Compressor Clutch Harness

from

$34.99
This A/C compressor clutch connector is designed to match the appearance and function of the original hardware on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this A/C compressor clutch connector matches the appearance and function of the factory hardware on specified applications.
  • Ideal solution – this connector is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Carquest Premium – 2 Pole Radiator or Condenser Fan Motor (Part No.35380)

2 Pole Radiator or Condenser Fan Motor

from

$38.99
High quality OE replacement part with all components needed to complete the job

Product Features:
  • Matches the OE performance
  • Long life and reliability
  • Allows for different size wheels
  • Vehicle specific applications
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Carquest Premium – A/C Compressor Relief Valve (Part No.ACA1296)

A/C Compressor Relief Valve

from

$15.99
The Carquest Premium line is designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Relief Valve is used in the automotive air conditioning system to prevent unusual over-pressure that may cause damage to critical components within the system or to the system as a whole. By opening it¿s valve when the system pressure exceeds the preset pressure levels and closing when the internal pressure decreases to the preset pressure levels, proper factory designated system pressures are maintained.

Product Features:
  • Designed and manufactured with high quality materials, industry leading 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 Relief Valve.
  • All units are tested using advanced end-of-line testing equipment that pressurizes the A/C Pressure Relief Valve and checks functionality to ensure each A/C Pressure Relief Valve meets manufacturing specifications before packaging.
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ACDelco – A/C Pressure Switch (Part No.R1054851599ACD)

A/C Pressure Switch

from

$65.62
A/C Pressure Switch

Carquest Premium – HVAC Blower Motor Relay (Part No.RAC1388)

HVAC Blower Motor Relay

from

$21.99
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 Compressor Clutch Connector (Part No.PTA1658)

A/C Compressor Clutch Connector

from

$11.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

1991 Cadillac DeVille Air Conditioning Parts

Maybe you’re in the middle of a full rebuild of that 1991 Cadillac DeVille. Maybe you just need a couple of Air Conditioning Parts. Either way, Advance Auto Parts has 71 different Air Conditioning Parts in our inventory ranging from $1.99 to $381.99. That means you can find the exact parts or products you need to keep that 1991 Cadillac DeVille running smoothly.

Air Conditioning Parts are only as good as their brand. We stock 13 different brands to make sure you have plenty of trusted parts to choose from for your 1991 Cadillac DeVille. Carquest Premium, Carquest, and Dorman are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Air Conditioning Parts for your 1991 Cadillac DeVille, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 644 reviews in this category, some of the top rated parts include Compressor Mounted Low Cut-Out Pressure Switch with 3.5 stars and Compressor Mounted High Cut-Out Pressure Switch with 4.3 stars.

So if you’re in the market for aftermarket Air Conditioning Parts to keep your 1991 Cadillac DeVille 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 1991 Cadillac DeVille Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1991 Cadillac DeVille 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 DeVille the best it can be. Be sure to browse some of our top Air Conditioning Parts brands and parts.

Popular ACDelco Air Conditioning Parts

We carry ACDelco parts in our stock across Expansion Valve and Orifice Tubes and AC Switch Connectors categories, plus more. For a 1991 Cadillac DeVille, our most popular ACDelco Air Conditioning Parts include:
Air Conditioning Orifice Tube
from $5.79
(2)
Air Conditioning Orifice Tube
Expansion Valve and Orifice Tubes
Multi-Purpose Pigtail
from $37.99
(2)
Multi-Purpose Pigtail
AC Switch Connectors

Top 1991 Cadillac DeVille Air Conditioning Parts from Carquest Premium

Carquest Premium products are another trusted brand when it comes to Air Conditioning Parts for your 1991 Cadillac DeVille. Popular Carquest Premium parts include:
A/C White Orifice Tube
from $2.99
(97)
A/C White Orifice Tube
Expansion Valve and Orifice Tubes
A/C Severe Temp Automatic Adjusting Orifice Tube
from $15.99
(97)
A/C 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 1991 Cadillac DeVille Air Conditioning Parts

What are the most purchased Air Conditioning Parts for the 1991 Cadillac DeVille?

Out of 71 Air Conditioning Parts for the 1991 Cadillac DeVille, the most popular in our inventory are:
30 AMP 12 Volt 5 Pin Universal Relay
from $14.99
(10)
30 AMP 12 Volt 5 Pin Universal Relay
HVAC Automatic Temperature Control (ATC) Relays
A/C and Heater Relay
from $23.29
(24)
A/C and Heater Relay
AC Compressor Cut-Out Relays
Multi Purpose Relay
from $18.79
This product is not rated
Multi Purpose Relay
AC Compressor Relays

What are the top-rated 1991 Cadillac DeVille Air Conditioning Parts?

Top-rated Air Conditioning Parts for your 1991 Cadillac DeVille based on customer reviews/ratings are:
Compressor Mounted Low Cut-Out Pressure Switch
from $31.49
(14)
Compressor Mounted Low Cut-Out Pressure Switch
“works for 99 tahoe”
Compressor Mounted High Cut-Out Pressure Switch
from $36.99
(10)
Compressor Mounted High Cut-Out Pressure Switch
“Worked Well”
Air Conditioning System Valve Core
from $10.99
(6)
Air Conditioning System Valve Core
“Use it on my suv”