Mercedes-Benz 420SEL Cooling and Climate Controls

Essential Mercedes-Benz 420SEL Cooling and Climate Controls

Permatex – Sensor-Safe, High-Torque RTV Silicone Gasket Maker (Part No.82194)

Sensor-Safe, High-Torque RTV Silicone Gasket Maker

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$11.49
Permatex Ultra Grey is specified for high torque and high vibration applications. Ultra Grey offers a sensor-safe, low odor, non-corrosive formula and is OEM specified to fit dealership warranty requirements. This high performance gasket maker meets performance specs of OE silicone gaskets and can be used on high torque and vibration applications such as valve covers, water pump, intake manifold end seals ad thermostat housings.

Product Features:
  • High torque and rigidity
  • Sensor-safe, non-corrosive formula
  • OEM specified
  • Low-odor, non-corrosive formula
  • Ideal for closed spaced bolt patterns
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Factory Air – Sealing Washer Kit (Part No.24334)

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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Carquest Premium – Engine Water Pump: New, Gasket/Seals Included (Part No.T4121)

Engine Water Pump: New, Gasket/Seals Included

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$96.99
Carquest Premium water pumps are 100% new, high-quality parts that meet or exceed original equipment (O.E.) specifications. All components, including the housing, hub, bearings, gaskets and seals are designed for long-lasting service life. These water pumps are supplied with the gaskets or seals necessary for installation. Our Carquest Premium water pumps undergo stringent testing to ensure superior performance that we stand behind with an industry-leading warranty.

Product Features:
  • 100% tested for reliable performance
  • Durable housing features precisely machined mounting surface for proper sealing and fitment
  • Equipped with weep chamber or similar feature to help prevent unnecessary replacement
  • Included heavy-duty unitized bearings, pressed-on hubs and optimal impeller clearance for a long-lasting water pump
  • All gaskets or seals necessary for water pump are included
  • This pump is driven by the accessory belt and we recommend replacement if nearing service recommendation
  • This pump is driven by the timing chain; see vehicle manufacturer recommendation for replacement of timing components
  • This pump is driven by the timing belt; see vehicle manufacturer recommendation for replacement of timing components
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Hella – Coolant Level Sensor (Part No.G105016387HEL)

Coolant Level Sensor

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$38.56
Coolant Level Sensor

Meistersatz – Oil Drain Plug Gaske (Part No.A6120860165MEI)

Oil Drain Plug Gaske

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$0.62
Oil Drain Plug Gaske

Rein – Thermostat Insert 80C (Part No.CTI0019)

Thermostat Insert 80C

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$14.99
Rein Automotive OE quality thermostat inserts install, fit and perform the way the original manufacturer intended. This ensures a smooth and easy installation, just as one would expect to find with OE quality. These inserts are designed to meet or exceed the OE materials used. Rein thermostats are produced with high-quality metals and components to ensure proper durability and service life. The thermostats are temperature calibrated to have a consistent and precise response suiting cooling system needs. Our quality thermostat inserts aim to provide the profession repair technician and vehicle owner peace of mind and trust that is expected from an OE quality component.

Product Features:
  • Matches original equipment design specifications
  • All gaskets or seals necessary for installation are supplied with thermostats
  • Manufactured to strict engineering standards/specifications in materials and tolerances
  • Thermostat set to 80 degrees Celsius to maintain optimal running temperature
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Carquest Premium – Radiator Cap: 20 PSI (Part No.10235)

Radiator Cap: 20 PSI

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$8.79
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.

Product Features:
  • Maintains proper cooling system pressure
  • Easy installation and removal
  • 100% tested to ensure proper pressure and longevity
  • Meets all OEM specifications
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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

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

Air Conditioning Evaporator, Without Valve

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$204.08
Air Conditioning Evaporator, Without Valve

Behr – A/C Pressure Switch (Part No.R1054178181BEH)

A/C Pressure Switch

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

A/C Filter Drier

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$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.
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Factory Air – Green Round O-Ring (Part No.24610)

Green Round O-Ring

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$0.99
Made from HNBR material; Compatible with R12 And R134A; High quality construction; Universal applications
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Permatex – The Right Stuff: 1 Minute Gasket Maker: Grey, 3 OZ (Part No.25238)

The Right Stuff: 1 Minute Gasket Maker: Grey, 3 OZ

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$19.99
Permatex’s The Right Stuff 1 Minute Series offers the fastest return to service in just 1 minute! This leak-proof, elastomeric “Formed-in-place” material is more reliable and longer lasting than pre-cut gaskets. It is blowout resistant and protects against leaks and seepage caused by vibration and thermal expansion. The Right Stuff 1 Minute Grey is specified for high torque and high vibration applications and is formulated to meet or exceed performance standards for long-term sealability, durability and handling.

Product Features:
  • Designed to perform under higher torque loads associated with engines having closely spaced bolt patterns
  • Sensor-safe, non-corrosive, RTV silicone
  • Protects against leaks caused by vibration and thermal expansion
  • Meets performance specs of OE silicone gaskets
  • Quickly returns vehicle to service in just 1 minute
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Programa – HVAC Control Module (Part No.R205949491PRO)

HVAC Control Module

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$388.65
Remanufactured Programa specializes in BMW, Mercedes Benz, Volvo, Porsche and Saab remanufactured ignition control units. Remanufacturing Process:

Product Features:
  • Complete visual inspection.
  • Boards and components are repaired or replaced.
  • Any test that fails to meet OEM specifications is repaired or replaced.
  • Once the ICU meets all OEM specifications, the unit is reassembled, sealed and packaged.
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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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APA/URO – APA/URO Expansion Tank (Part No.G103016617APA)

APA/URO Expansion Tank

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$42.41
The APA/URO expansion tank is made of the highest quality materials and is engineered to meet or exceed the OEM specifications for performance, fit and durability.

Product Features:
  • OE-Equivalent and Direct Fit for easy Installation.
  • OE style connections and fittings.
  • Made of highly durable materials.
  • Resistant to thermal wear and cracking.
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Carquest Premium – Universal Standard Rotation Thermal Standard Duty Fan Clutch (Part No.215083)

Universal Standard Rotation Thermal Standard Duty Fan Clutch

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$248.99
Product Features:
  • Designed, tested, and built by application
  • OE performance, fit, and appearance
  • Precision machined
  • Out of box installation
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Carquest Premium – A/C Block Type O-Ring Expansion Valve (Part No.T38602)

A/C Block Type O-Ring Expansion Valve

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$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.
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Bosch – Water Temperature Sensors (Part No.C602012903BOS)

Water Temperature Sensors

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$76.28
Bosch liquid temperature sensors accurately monitor the vital fluids in your vehicle ensuring long and healthy life. The sensor provides information to the Engine control Unit to keep your engine running strong, safe, and efficient.

Product Features:
  • High durability against operating materials: fuel, oil, water
  • Sturdy, vibration-proof design with lasting performance
  • Extreme Accuracy under extreme conditions: -40F – +260F
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Behr – Radiator Drain Plug (Part No.G106011756BEH)

Radiator Drain Plug

from

$11.09
Radiator Drain Plug

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

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

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$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
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Dorman – Radiator Fan Assembly: Single, Cost Effective And Reliable (Part No.621-310)

Radiator Fan Assembly: Single, Cost Effective And Reliable

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$183.99
This engine cooling fan assembly is precision-engineered to match the fit and performance of the stock radiator fan on specific vehicle years, makes and models. It has been rigorously tested to ensure it cools as effectively as the original part.

Product Features:
  • Ideal replacement – this engine cooling fan assembly was precision-engineered to match the fit and performance of the stock radiator fan assembly on specific vehicles
  • Complete package – assembly is designed with the same materials and components as the original part
  • Quality assured – motors are tested in laboratory settings to ensure performance
  • Cost effective and reliable – trustworthy manufacturing for far less than same part at the dealership
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Santech – A/C Pressure Switch (Part No.R1054178181SII)

A/C Pressure Switch

from

$18.63
A/C Pressure Switch

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.
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Helping You Find the Right Cooling and Climate Controls for Your Mercedes-Benz 420SEL

You love your 420SEL. So we’ve made it easier than ever to help you find Mercedes-Benz 420SEL Cooling and Climate Controls in our online catalog. Our inventory holds 65 aftermarket and OEM Cooling and Climate Controls for your Mercedes-Benz 420SEL, ranging from $0.62 to $519.99.

We offer parts from 26 brands trusted to make quality Cooling and Climate Controls for your Mercedes-Benz 420SEL. Before you buy, take some time to read through customer reviews. We currently have 2,526 reviews of Mercedes-Benz 420SEL Cooling and Climate Controls from previous customers. Some of the top rated parts include A/C Block Type O-Ring Expansion Valve with 5.0 stars and Sealing Washer Kit with 4.0 stars.

Find your 420SEL Cooling and Climate Controls here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your Mercedes-Benz 420SEL part to confirm it’s just right? You can find your nearest Advance Auto Parts store and confirm they have the part in stock before heading over.

Top Cooling and Climate Controls Brands for Your Mercedes-Benz 420SEL

Our inventory holds Cooling and Climate Controls for your Mercedes-Benz 420SEL from 26 trusted brands. You’ll find OEM and aftermarket parts from brands like Permatex, Carquest Premium, and Factory Air, all of which can keep that Mercedes-Benz happy.

Top-Rated Permatex Cooling and Climate Controls

Leading Permatex Cooling and Climate Controls

We carry Permatex brand parts for your Mercedes-Benz 420SEL across several catalog categories, including Engine Cooling Parts. Some of our most reviewed Permatex parts include:
Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ
from $6.99
(288)
Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ
Engine Water Pump Inlet Pipe Gaskets

FAQs for Mercedes-Benz 420SEL Cooling and Climate Controls

What are the most purchased Cooling and Climate Controls for the Mercedes-Benz 420SEL?

Out of 65 Cooling and Climate Controls for the Mercedes-Benz 420SEL, the most popular in our inventory are:
Radiator Cap: 20 PSI
from $8.79
(16)
Radiator Cap: 20 PSI
Radiator Caps
Cap & Valve A/C System Seal Kit
from $16.99
(6)
Cap & Valve A/C System Seal Kit
AC Line O-Rings
Radiator Cap: 20 PSI
from $9.49
(3)
Radiator Cap: 20 PSI
Radiator Caps

What are the top-rated Mercedes-Benz 420SEL Cooling and Climate Controls?

Top-rated Cooling and Climate Controls for your Mercedes-Benz 420SEL based on customer reviews/ratings are:
A/C Block Type O-Ring Expansion Valve
from $44.99
(1)
A/C Block Type O-Ring Expansion Valve
“The one delegated for 99’s did not have the two mounting holes required by my car. I actually needed the 2000 year model valve. That one worked great.”
Sealing Washer Kit
from $12.29
(1)
Sealing Washer Kit
“Good replacement”