1978 Mercedes-Benz 450SEL Air Conditioning Parts

Essential 1978 Mercedes-Benz 450SEL Air Conditioning Parts

Carquest Premium – A/C Filter Drier (Part No.T33397)

A/C Filter Drier

from

$30.99
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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Factory Air – Green Round O-Ring (Part No.24650)

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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Carquest Premium – New Compressor with Clutch, GM A6 (Part No.T58098)

New Compressor with Clutch, GM A6

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$478.99
High quality OE replacement part with all components needed to complete the job

Product Features:
  • All compressors go through sophisticated testing and leak test processes
  • Includes specific electrical connector to eliminate splicing
  • For ease of installation this compressor includes all gaskets, O-rings or sealing washers needed to repair your car
  • Built in a TS16949 certified manufacturing environment to ensure consistent quality that meets or exceeds OE specifications for fit, form, function, and durability
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APA/URO Parts – Auxiliary Valve Hose (Part No.B303014200APA)

Auxiliary Valve Hose

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$14.48
A.P.A. URO is a supplier to many automotive manufacturers and provides OE quality European replacement parts to the aftermarket. URO Parts is a highly diversified product line including, body rubber, electrical, suspension, steering, cooling and air conditioning components. Models prior to listed engine cut-offs will require additional parts when replacing original hose. Requires (1) 116 094 07 41 bracket, (1) 000 158 14 35 vacuum line and (1) 000 987 11 45 vacuum plug.
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Factory Air – O-Ring & Gasket A/C System Seal Kit (Part No.26771)

O-Ring & Gasket A/C System Seal Kit

from

$11.49
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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Factory Air – Cap & Valve A/C System Seal Kit (Part No.26777)

Cap & Valve A/C System Seal Kit

from

$16.99
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
  • SUV and rear air applications
  • Application specific
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Factory Air – Green Round O-Ring (Part No.24610)

Green Round O-Ring

from

$0.99
Made from HNBR material; Compatible with R12 And R134A; High quality construction; Universal applications
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Carquest Standard – Reman GM A6 Compressor w/ Clutch (Part No.DW57098)

Reman GM A6 Compressor w/ Clutch

from

$349.99
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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Santech – A/C Pressure Switch (Part No.R1054178181SII)

A/C Pressure Switch

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$18.63
A/C Pressure Switch

Factory Air – Reman GM Frigidaire/Harrison A6 Clutch Assembly w/ Coil (Part No.48284)

Reman GM Frigidaire/Harrison A6 Clutch Assembly w/ Coil

from

$119.99
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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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 – Sealing Washer Kit (Part No.24336)

Sealing Washer Kit

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$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.24340)

Sealing Washer Kit

from

$9.49
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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Factory Air – Sealing Washer Kit (Part No.24338)

Sealing Washer Kit

from

$5.29
Includes O-Ring; Compatible with R12 And R134A; High quality construction; Universal applications
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Behr – A/C Pressure Switch (Part No.R1054178181BEH)

A/C Pressure Switch

from

$22.52
Behr GmbH & Co. KG, Stuttgart, is a specialist for automotive air conditioning and engine cooling systems, the Behr Group is one of the world’s leading manufacturers and suppliers of Original Equipment cooling and air conditioning products for European passenger and commercial vehicles. 2 bar low pressure and 30 bar high pressure binary switch. This switch is designed to be compatible with R-12 and R134a refrigerants. Located on receiver-drier with 2 spade terminals. Used for compressor cut-out.
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ACM – Air Conditioning Temperature Switch (Part No.R105511825ACM)

Air Conditioning Temperature Switch

from

$33.17
ACM is a supplier of Original Equipment quality climate control products. 2 spade terminals on short pigtail.
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Dorman – Electrical Harness – 2-Wire GM A/C Clutch with Diode (Part No.85143)

Electrical Harness - 2-Wire GM A/C Clutch with Diode

from

$11.99
This HVAC clutch coil 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 clutch coil 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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1978 Mercedes-Benz 450SEL Air Conditioning Parts

Maybe you’re in the middle of a full rebuild of that 1978 Mercedes-Benz 450SEL. Maybe you just need a couple of Air Conditioning Parts. Either way, Advance Auto Parts has 24 different Air Conditioning Parts in our inventory ranging from $0.99 to $478.99. That means you can find the exact parts or products you need to keep that 1978 Mercedes-Benz 450SEL running smoothly.

Air Conditioning Parts are only as good as their brand. We stock 9 different brands to make sure you have plenty of trusted parts to choose from for your 1978 Mercedes-Benz 450SEL. Factory Air, Dorman, 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 Mercedes-Benz 450SEL, but don’t take our word for it – read our customer ratings and reviews and buy with confidence.

So if you’re in the market for aftermarket Air Conditioning Parts to keep your 1978 Mercedes-Benz 450SEL 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 Mercedes-Benz 450SEL Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1978 Mercedes-Benz 450SEL 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 450SEL the best it can be. Be sure to browse some of our top Air Conditioning Parts brands and parts.

Popular Carquest Standard Air Conditioning Parts

We carry Carquest Standard parts in our stock across AC Compressor Without Clutch categories, plus more. For a 1978 Mercedes-Benz 450SEL, our most popular Carquest Standard Air Conditioning Parts include:
Reman GM A6 Compressor w/ Clutch
from $349.99
(1)
Reman GM A6 Compressor w/ Clutch
AC Compressor Without Clutch

FAQs for 1978 Mercedes-Benz 450SEL Air Conditioning Parts

What are the most purchased Air Conditioning Parts for the 1978 Mercedes-Benz 450SEL?

Out of 24 Air Conditioning Parts for the 1978 Mercedes-Benz 450SEL, the most popular in our inventory are:
5-Wire Style Relay
from $15.99
This product is not rated
5-Wire Style Relay
AC Relay Connectors
Green Round O-Ring
from $1.99
This product is not rated
Green Round O-Ring
AC Compressor Seals
Green Round O-Ring
from $0.99
This product is not rated
Green Round O-Ring
AC Line O-Rings