Mercedes-Benz 420SEL Air Conditioning Parts

Your One-Stop Shop For Trusted Mercedes-Benz 420SEL Air Conditioning Parts

If you’re in search of Mercedes-Benz 420SEL Air Conditioning Parts aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 24 Air Conditioning Parts from top brands with prices ranging from $0.99 to $359.99.

Beyond great prices, we stock trusted brands manufacturing all types of Air Conditioning Parts for your Mercedes-Benz 420SEL. Of the 9 OEM and aftermarket parts brands we carry, some of the most popular are Factory Air, Dorman, and Behr.

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

At Advance Auto Parts, we don’t think top quality Air Conditioning Parts have to cost top dollar, and we prove it. Browse our top Mercedes-Benz 420SEL Air Conditioning Parts below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential Mercedes-Benz 420SEL Air Conditioning Parts

Carquest Premium – A/C Filter Drier (Part No.T33384)

A/C Filter Drier

from

$47.99
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.
See More

Carquest Standard – A/C Remanufactured; w/ Clutch; w/ 10P17C Compressor (Part No.DW57338)

A/C Remanufactured; w/ Clutch; w/ 10P17C Compressor

from

$359.99
Carquest Standard Remanufactured Compressors are manufactured to meet original equipment specifications. All components are either remanufactured to strict standards or are replaced with new components to ensure performance and durability. All compressors are 100% end of line tested.

Product Features:
  • O-Rings and gaskets necessary for installation are included.
  • 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
See More

Carquest Premium – AC Pressure Switch (Part No.ACA1572)

AC Pressure Switch

from

$27.99
The Premium CarQuest Vehicle Solutions 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.
See More

Behr – Air Conditioning Evaporator, Without Valve (Part No.R113044442BEH)

Air Conditioning Evaporator, Without Valve

from

$204.08
Air Conditioning Evaporator, Without Valve

Carquest Premium – A/C Block Type O-Ring Expansion Valve (Part No.T38602)

A/C Block Type O-Ring Expansion Valve

from

$44.99
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.
See More

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
See More

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
See More

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
See More

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
See More

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
See More

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.
See More

ACM – Air Conditioning Manifold Seal Kit (Part No.R111169968ACM)

Air Conditioning Manifold Seal Kit

from

$5.41
ACM is a supplier of Original Equipment quality climate control products. Seal rings for suction and delivery lines.
See More

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
See More

Factory Air – New Nippondenso 10P Clutch Assembly w/ Coil (Part No.47535)

New Nippondenso 10P Clutch Assembly w/ Coil

from

$222.99
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
See More

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
See More

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
See More

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
See More

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
See More

Behr – A/C Temp. Switch (Part No.R105529376BEH)

A/C Temp. Switch

from

$40.85
A/C Temp. Switch

Air Conditioning Parts Brands You Can Trust For Your Mercedes-Benz 420SEL

9 trusted brands of Air Conditioning Parts line our shelves, ready to help keep your Mercedes-Benz 420SEL running smooth. Below are some of the most popular brands and their top Air Conditioning Parts offerings:

Popular Carquest Premium Air Conditioning Parts

Carquest Premium products for the Mercedes-Benz 420SEL span several categories. Some of the highest-rated Carquest Premium Air Conditioning Parts that will fit your Mercedes-Benz 420SEL are:
A/C Block Type O-Ring Expansion Valve
from $44.99
(1)
A/C Block Type O-Ring Expansion Valve
Expansion Valve and Orifice Tubes

Top Mercedes-Benz 420SEL Air Conditioning Parts from Factory Air

Your Mercedes-Benz 420SEL will be purring again thanks to Factory Air brand Air Conditioning Parts available for online order or in-store pick up. Popular Factory Air parts include:
Cap & Valve A/C System Seal Kit
from $16.99
(6)
Cap & Valve A/C System Seal Kit
AC Line O-Rings
Sealing Washer Kit
from $12.29
(1)
Sealing Washer Kit
AC Compressor Gaskets

Most Purchased Mercedes-Benz 420SEL Air Conditioning Parts from Factory Air

When you buy the most frequently purchased Factory Air brand Air Conditioning Parts, you can be confident it will be the right part for your Mercedes-Benz 420SEL. Here are the Factory Air Air Conditioning Parts Advanced Auto customers buy the most:
Cap & Valve A/C System Seal Kit
from $16.99
(6)
Cap & Valve A/C System Seal Kit
AC Line O-Rings
5-Wire Style Relay
from $15.99
This product is not rated
5-Wire Style Relay
AC Relay Connectors
A/C Pressure Switch
from $22.52
This product is not rated
A/C Pressure Switch
AC Compressor Pressure Switches

FAQs for Mercedes-Benz 420SEL Air Conditioning Parts

What are the most purchased Air Conditioning Parts for the Mercedes-Benz 420SEL?

Out of 24 Air Conditioning Parts for the Mercedes-Benz 420SEL, 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