1978 Cadillac Seville Air Conditioning Parts

More 1978 Cadillac Seville Air Conditioning Parts

Find your specific 1978 Cadillac Seville original or aftermarket Air Conditioning Parts below. Order your parts online and have delivered to your home or pick up in-store at Advance Auto.

Essential 1978 Cadillac Seville Air Conditioning Parts

Carquest Premium – A/C Compressor Switch Connector (Part No.PTA1329)

A/C Compressor Switch Connector

from

$17.79
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Santech – A/C Pressure Switch (Part No.R1054301641SII)

A/C Pressure Switch

from

$37.73
A/C Pressure Switch
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Factory Air – System Mounted Preset Cycling Temperature Switch (Part No.35720)

System Mounted Preset Cycling Temperature Switch

from

$18.05
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
  • Precision engineered
  • OE style connectors
  • Quality contacts ensure proper conductivity
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(2 reviews)
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Factory Air – Reman GM Harrison DA6-HR6-HD6-HT6 Clutch Assembly w/ Coil (Part No.48655)

Reman GM Harrison DA6-HR6-HD6-HT6 Clutch Assembly w/ Coil

from

$143.99
High quality OE replacement part with all components needed to complete the job

Product Features:
  • All mounting hardware included
  • All pulleys and hubs are machined and trued to ensure an even surface
  • Twelve point hub weld
  • Coated to prevent corrosion
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Carquest Premium – A/C Yellow White Orifice Tube (Part No.T38887)

A/C Yellow White Orifice Tube

from

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

Product Features:
  • Each orifice tube is tested for function and leakage according to OEM specifications to ensure optimal performance of the air conditioning system.
  • O-Rings necessary for installation are included.
  • Color coded
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(6 reviews)
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Factory Air – Harness Connector (Part No.37215)

Harness Connector

from

$15.79
OE style connectors; Molded plastic construction; Quality contacts ensure proper conductivity; Universal applications
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Carquest 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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Carquest Premium – A/C Accumulator Tube (Part No.T34207)

A/C Accumulator Tube

from

$10.79
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 Compressor Clutch Relay Connector (Part No.PTA1269)

A/C Compressor Clutch Relay Connector

from

$5.29
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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Dorman – 5-Wire Style Relay (Part No.85170)

5-Wire Style Relay

from

$15.99
This HVAC relay 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 HVAC relay 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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Factory Air – Ceramic Shaft Seal Kit (Part No.24016)

Ceramic Shaft Seal Kit

from

$21.29
All hardware included; Compatible with R12 And R134A; High quality construction; Universal applications
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Factory Air – Green Round O-Ring (Part No.24615)

Green Round O-Ring

from

$1.99
Made from HNBR material; Compatible with R12 And R134A; High quality construction; Universal applications
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Factory Air – O-Ring & Gasket A/C System Seal Kit (Part No.26731)

O-Ring & Gasket A/C System Seal Kit

from

$11.99
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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(5 reviews)
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Factory Air – Cap and Valve A/C System Seal Kit (Part No.26778)

Cap and Valve A/C System Seal Kit

from

$41.99
Compatible with both R12 And R134a refrigerants; All the seals needed to complete the job; SUV And rear air applications; Application specific
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(2 reviews)
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ACDelco – A/C Pressure Switch (Part No.R1054851599ACD)

A/C Pressure Switch

from

$54.74
A/C Pressure Switch
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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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Factory Air – Harness Connector (Part No.37227)

Harness Connector

from

$25.49
OE style connectors; Molded plastic construction; Quality contacts ensure proper conductivity; Universal applications
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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
View Product

Factory Air – Evaporator Core Repair Kit w/ White Orifice Tube (Part No.16152)

Evaporator Core Repair Kit w/ White Orifice Tube

from

$18.29
Optimized refrigerant flow; Core design meets or exceeds OE performance And efficiency; Application specific design for GM vehicles; Replaces damaged evaporator inlet tube
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(2 reviews)
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Factory Air – Sealing Washer Kit (Part No.24336)

Sealing Washer Kit

from

$12.29
Includes O-Ring; Compatible with R12 And R134A; High quality construction; Universal applications
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Factory Air – Sealing Washer Kit (Part No.24334)

Sealing Washer Kit

from

$12.29
Includes O-Ring; Compatible with R12 And R134A; High quality construction; Universal applications
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(1 reviews)
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Carquest Premium – A/C Universal Accumulator / Swivel Top (Part No.T33705)

A/C Universal Accumulator / Swivel Top

from

$54.99
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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(1 reviews)
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Carquest Premium – A/C Accumulator (Part No.T33178)

A/C Accumulator

from

$25.99
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.
  • O-Rings necessary for installation are included.
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KAI – A/C Compressor (Part No.ACP012278)

A/C Compressor

from

$434.99
New Standard Replacement A/C Compressor MSC105VS 6 Groove

Product Features:
  • 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 Standard – Reman Nippondenso 10S20F Compressor w/ Clutch (Part No.DW67316)

Reman Nippondenso 10S20F Compressor w/ Clutch

from

$256.99
Remanufactured Compressors are built in a ISO9001:2015 Certified facility to ensure consistent quality stAndards in the Re-manufacturing process
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(1 reviews)
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National – Bearings (Part No.SCE-108)

Bearings

from

$6.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Available in both caged design and full complement
  • Industry leading coverage
  • Professional technicians know they can depend on National
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National – Bearings (Part No.S-128)

Bearings

from

$11.29
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Available in both caged design and full complement
  • Industry leading coverage
  • Professional technicians know they can depend on National
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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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(4 reviews)
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Popular 1978 Cadillac Seville Air Conditioning Parts Categories

AC Compressor Without Clutch
AC Compressor Without Clutch
AC Clutch
AC Clutch
Air Conditioning Relays
Air Conditioning Relays
AC Line O-Rings
AC Line O-Rings
AC Relay Connectors
AC Relay Connectors
AC Compressor Cut-Out Relay Harness Connectors
AC Compressor Cut-Out Relay Harness Connectors
Accumulator and Receiver Driers
Accumulator and Receiver Driers
AC Evaporator Repair Kits
AC Evaporator Repair Kits
AC Clutch Cycle Switches
AC Clutch Cycle Switches
Expansion Valve and Orifice Tubes
Expansion Valve and Orifice Tubes
AC High Pressure Side Switches
AC High Pressure Side Switches
AC Compressor Pressure Switches
AC Compressor Pressure Switches
AC Compressor Switch Connectors
AC Compressor Switch Connectors
AC Condenser Fan Switch Harness Connectors
AC Condenser Fan Switch Harness Connectors
AC Accumulator Tubes
AC Accumulator Tubes
AC Compressor Gaskets
AC Compressor Gaskets
AC Compressor Thrust Bearings
AC Compressor Thrust Bearings
AC Compressor Seals
AC Compressor Seals

1978 Cadillac Seville Air Conditioning Parts

Maybe you’re in the middle of a full rebuild of that 1978 Cadillac Seville. Maybe you just need a couple of Air Conditioning Parts. Either way, Advance Auto Parts has 42 different Air Conditioning Parts in our inventory ranging from $1.99 to $408.99. That means you can find the exact parts or products you need to keep that 1978 Cadillac Seville running smoothly.

Air Conditioning Parts are only as good as their brand. We stock 8 different brands to make sure you have plenty of trusted parts to choose from for your 1978 Cadillac Seville. Carquest Premium, Factory Air, and Carquest 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 1978 Cadillac Seville, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 522 reviews in this category, some of the top rated parts include Ball Bearing with 2.3 stars and A/C New; w/ Clutch; w/ R4 Heavy Compressor with 1.0 stars.

So if you’re in the market for aftermarket Air Conditioning Parts to keep your 1978 Cadillac Seville 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 1978 Cadillac Seville Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1978 Cadillac Seville 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 Seville the best it can be. Be sure to browse some of our top Air Conditioning Parts brands and parts.

Popular Factory Air Air Conditioning Parts

We carry Factory Air parts in our stock across AC Compressor Pressure Switches and AC High Pressure Side Switches categories, plus more. For a 1978 Cadillac Seville, our most popular Factory Air Air Conditioning Parts include:
Compressor Mounted Low Cut-Out Pressure Switch
from $34.49
(1)
Compressor Mounted Low Cut-Out Pressure Switch
AC Compressor Pressure Switches
Compressor Mounted High Cut-Out Pressure Switch
from $36.99
(10)
Compressor Mounted High Cut-Out Pressure Switch
AC High Pressure Side Switches
Evaporator Core Repair Kit w/ White Orifice Tube
from $18.29
(2)
Evaporator Core Repair Kit w/ White Orifice Tube
AC Evaporator Repair Kits

Top 1978 Cadillac Seville Air Conditioning Parts from Carquest Premium

Carquest Premium products are another trusted brand when it comes to Air Conditioning Parts for your 1978 Cadillac Seville. Popular Carquest Premium parts include:
A/C White Orifice Tube
from $2.99
(97)
A/C White Orifice Tube
Expansion Valve and Orifice Tubes
Severe Temp Automatic Adjusting Orifice Tube
from $15.99
(97)
Severe Temp Automatic Adjusting Orifice Tube
Expansion Valve and Orifice Tubes
A/C Standard Temp Automatic Adjusting Orifice Tube
from $15.79
(28)
A/C Standard Temp Automatic Adjusting Orifice Tube
Expansion Valve and Orifice Tubes

FAQs for 1978 Cadillac Seville Air Conditioning Parts

What are the most purchased Air Conditioning Parts for the 1978 Cadillac Seville?

Out of 42 Air Conditioning Parts for the 1978 Cadillac Seville, the most popular in our inventory are:
Cap & Valve A/C System Seal Kit
from $16.99
(6)
Cap & Valve A/C System Seal Kit
AC Line O-Rings
Reman GM R4 Heavy Compressor w/ Clutch
from $195.99
(4)
Reman GM R4 Heavy Compressor w/ Clutch
AC Compressor Without Clutch
5-Wire Style Relay
from $15.99
This product is not rated
5-Wire Style Relay
AC Relay Connectors

What are the top-rated 1978 Cadillac Seville Air Conditioning Parts?

Top-rated Air Conditioning Parts for your 1978 Cadillac Seville based on customer reviews/ratings are:
Ball Bearing
from $22.29
(4)
Ball Bearing
“Great replacement bearing”
A/C New; w/ Clutch; w/ R4 Heavy Compressor
from $274.99
(3)
A/C New; w/ Clutch; w/ R4 Heavy Compressor
“Be aware this is a new different design not for a rear mount design on a 1981 corvette the back has a valve on the compressor that blocks the rear bra”
A/C Accumulator Tank
from $33.49
(2)
A/C Accumulator Tank
“82 Chevy Caprice, 5.0, Auto w/AC This was a perfect fit and a needed replacement part when converting to R134a”