1991 Mercedes-Benz 420SEL Cooling and Climate Controls

Essential 1991 Mercedes-Benz 420SEL Cooling and Climate Controls

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.
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APA/URO Parts – Coolant Level Sensor (Part No.G105016387APA)

Coolant Level Sensor

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$25.91
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.
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Permatex – Ultra Grey RTV Silicone Gasket Maker, 0.5 OZ (Part No.22074)

Ultra Grey RTV Silicone Gasket Maker, 0.5 OZ

from

$6.99
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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Carquest Premium – Radiator Cap: 20 PSI (Part No.10235)

Radiator Cap: 20 PSI

from

$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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Mahle – A/C ACC Temp Sensor (Part No.R107526553MAH)

A/C ACC Temp Sensor

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$32.68
A/C ACC Temp Sensor

Permatex – The Right Stuff: Grey, 1 Minute Gasket Maker, 10 OZ (Part No.34310)

The Right Stuff: Grey, 1 Minute Gasket Maker, 10 OZ

from

$38.99
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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APA/URO – APA/URO Expansion Tank Hose (Part No.G203016621APA)

APA/URO Expansion Tank Hose

from

$15.04
All APA/URO rubber coolant hoses are pre-shaped and double reinforced for extra strength and durability. Each hose is manufactured from ECD (Electro Chemical Degradation) resistant materials, which prevents electrolysis from breaking down the rubber from the inside out. All APA/URO cooling components are made to meet or exceed OE standards.

Product Features:
  • All cooling-water hose inner linings are resistant to electrochemical cracking
  • high strength and resistance to oil, mud, salt, road debris, and ozone
  • Resistance to distilled water and water ethylene glycol mixtures
  • Resistance to air temperatures of up to 125C
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Behr – Radiator Drain Plug (Part No.G106011756BEH)

Radiator Drain Plug

from

$11.09
Radiator Drain Plug

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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Programa – HVAC Control Module (Part No.R205949482PRO)

HVAC Control Module

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$261.57
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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Carquest Premium – Fuel Pump Relay (Part No.RAA1915)

Fuel Pump Relay

from

$64.99
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 – HVAC Heater Core Temperature Sensor (Part No.WTA2285)

HVAC Heater Core Temperature Sensor

from

$126.99
HVAC Heater Core Temperature Sensor

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.
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Carquest Premium – New Compressor with Clutch, Nippondenso 10P17C (Part No.T58338)

New Compressor with Clutch, Nippondenso 10P17C

from

$931.99
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
  • Validated for fit, form, and function to OE standards
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Nissens – Nissens Heater Core (Part No.R300070302NSS)

Nissens Heater Core

from

$141.01
Nissens manufactures a direct fit Heater Core that guarantees OEM quality, fit and performance.

Product Features:
  • OEM Quality Direct fit Application
  • Meets or exceeds OEM specifications.
  • Utilizes the factory style mounts, connectors and fittings.
  • Provides exceptional reliability.
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Mahle – MAHLE Thermostat (Part No.G400015462MAH)

MAHLE Thermostat

from

$43.65
Intelligent control systems from MAHLE are used in millions of applications worldwide to provide needs-based precision temperature control. Simple, effective, and tried and tested millions of times over: thermostat inserts from MAHLE provide meticulous regulation of coolant circuits around the world up to approximately 20 m3/h, and ensure ideal operating temperatures in light vehicles, trucks, stationary engines, and also agricultural and construction machinery. Wax elements are at the heart of all MAHLE thermostats and thermostat inserts. These maintenance-free, durable elements have proved their worth in millions of applications. MAHLE, Manufactures a wide range of variants with actuating forces of between 30 N and 2,500 N, small or large displacements, and for a large number of regulation ranges within a temperature span of -20C to +130C.

Product Features:
  • OE quality and design
  • Maintenance-free, durable elements
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Carquest Premium – Radiator Cap Tester Adapter (Part No.12552)

Radiator Cap Tester Adapter

from

$14.29
Tester adapter for the MT-300 cooling system pressure testers. Professional grade test equipment to ensure an automotive cooling system is operating at the correct pressure. Made from high quality materials to ensure durability. Designed to test automotive coolant caps.

Product Features:
  • Machined metal construction
  • Works with MT-300 pressure tester
  • Tests coolant caps
  • Professional quality
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Nissens – Radiator (Part No.G100031173NSS)

Radiator

from

$302.53
Plastic Tank / Aluminum Core Radiator The Nissens Radiator flat tube and double folded fin design offers a significantly better cooling capacity and provides a stronger exterior resisting impacts from stones. This advanced design helps to prevent damage which would negatively affect the cooling capacity and engine performance.

Product Features:
  • OE-Equivalent.
  • Direct fit for easy installation.
  • OE Style mounting brackets and hose connections.
  • Integrated transmission oil cooler when applicable.
  • Compact and lightweight.
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Permatex – Ultra Grey RTV Silicone Gasket Maker, 13 OZ (Part No.82195)

Ultra Grey RTV Silicone Gasket Maker, 13 OZ

from

$26.99
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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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.
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Vaico – Rivet (Part No.Q200173665VCO)

Rivet

from

$1.86
Rivet

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
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Carquest Premium – Coolant Temperature Sensor (Part No.WTC1481)

Coolant Temperature Sensor

from

$56.99
Approved materials for increased durability in even the most extreme temperatures. All MotoRad Coolant Temperature Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
  • Thread Sealant and/or O-ring pre-installed on applicable sensors to ensure leak free performance
  • Brass sensor housing precision machined to meet or exceed OE thermal conductivity
  • OE precision matched thermistor position for correct output parameters
  • Extensive product testing includes salt spray, high/low temperature impact, thermal vibration, durability, static electricity, and micro tension, among other tests, to ensure all sensors meet or exceed OEM specifications.
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Delphi – Engine Coolant Temperature Sensor (Part No.TS10263)

Engine Coolant Temperature Sensor

from

$32.99
Delphi temperature sensors are built with the latest OE technology; Delphi temperature sensors use durable, one-piece design; Delphi temperature sensors are impervious to electrical noise and interference.

Product Features:
  • Delphi temperature sensors deliver accurate readings and optimal performance
  • Delphi’s one-piece design and automated production process eliminates internal connectors and failure points
  • Each sensor is electrically insulated to eliminate interference from other components in the vehicle
  • Delphi temperature sensors are impervious to electrical noise and interference
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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

from

$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
See More

Permatex – Ultra Grey RTV Gasket Maker (9.5 oz.) (Part No.85084)

Ultra Grey RTV Gasket Maker (9.5 oz.)

from

$32.99
OEM specified. Designed specially for high-torque and high vibration applications, like those common in import engines, this premium RTV gasket maker exceeds manufacturers’ performance requirements. Sensor-safe, low odor, and non-corrosive. Maximum vibration resistance, with outstanding resistance to oils, cooling and shop fluids. Temperature range -65ºF to 500ºF (-54 Deg. C to 260 Deg. C) intermittent.

Product Features:
  • Designed specially for high-torque and high vibration applications
  • Maximum vibration resistance with outstanding resistance to oils, cooling and shop fluids
  • OEM specified
  • Low-odor, non-corrosive formula
  • Temperature Range: -65 Deg. F to 500 Deg. F (-54 Deg. C to 260 Deg. C)
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Behr – Air Conditioning Evaporator, Without Valve (Part No.R113044442BEH)

Air Conditioning Evaporator, Without Valve

from

$200.86
Air Conditioning Evaporator, Without Valve

1991 Mercedes-Benz 420SEL Cooling and Climate Controls

You count on your 1991 Mercedes-Benz 420SEL to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Cooling and Climate Controls. With 68 Cooling and Climate Controls ranging in price from $0.99 to $931.99, you’re sure to find everything you need for your 1991 Mercedes-Benz 420SEL.

Brands matter. If you want to shop a specific Cooling and Climate Controls brand, we stock 25 different brands like Permatex, Carquest Premium, and Factory Air. 1991 Mercedes-Benz 420SEL Cooling and Climate Controls start as low as $0.99!

One of the best ways to find top quality OEM or aftermarket Cooling and Climate Controls is by asking professionals. Short of that, you can shop with confidence thanks to our 333 extensive product reviews on 1991 Mercedes-Benz 420SEL Cooling and Climate Controls. Some of the top-rated Cooling and Climate Controls products we carry are Radiator Cap: 20 PSI with 5.0 stars and A/C Block Type O-Ring Expansion Valve with 5.0 stars.

Did we mention you can order your Cooling and Climate Controls from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Cooling and Climate Controls inventory for your 1991 Mercedes-Benz 420SEL below to get started!

Top-Rated Cooling and Climate Controls Brands For Your 1991 Mercedes-Benz 420SEL

Trusted Cooling and Climate Controls OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 1991 Mercedes-Benz 420SEL running right for years to come. In our inventory you’ll find brands like Permatex, Carquest Premium, Factory Air, and even more.

Popular Permatex Cooling and Climate Controls

You’ll find popular Permatex brand products across Engine Cooling Parts. All are waiting to get your 1991 Mercedes-Benz 420SEL back on the road. Some of the top-rated Permatex products in these categories are:
Ultra Grey RTV Silicone Gasket Maker, 0.5 OZ
from $6.99
(9)
Ultra Grey RTV Silicone Gasket Maker, 0.5 OZ
Water Pump Gaskets
Ultra Grey RTV Silicone Gasket Maker, 13 OZ
from $26.99
(7)
Ultra Grey RTV Silicone Gasket Maker, 13 OZ
Engine Water Pump Outlet Pipe Gaskets
The Right Stuff: 1 Minute Gasket Maker: Grey, 3 OZ
from $19.99
(2)
The Right Stuff: 1 Minute Gasket Maker: Grey, 3 OZ
Water Pump Housing Gaskets

Top-Rated Cooling and Climate Controls


If are what you’re looking for, our inventory holds plenty. We stock brand Cooling and Climate Controls for your 1991 Mercedes-Benz 420SEL, and some of our most reviewed 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
Water Pump Gaskets

FAQs for 1991 Mercedes-Benz 420SEL Cooling and Climate Controls

What are the most purchased Cooling and Climate Controls for the 1991 Mercedes-Benz 420SEL?

Out of 68 Cooling and Climate Controls for the 1991 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
The Right Stuff: Grey, 90 Minute Gasket Maker, 3 OZ
from $17.49
This product is not rated
The Right Stuff: Grey, 90 Minute Gasket Maker, 3 OZ
Engine Water Pump Inlet Pipe Gaskets

What are the top-rated 1991 Mercedes-Benz 420SEL Cooling and Climate Controls?

Top-rated Cooling and Climate Controls for your 1991 Mercedes-Benz 420SEL based on customer reviews/ratings are:
Radiator Cap: 20 PSI
from $9.49
(3)
Radiator Cap: 20 PSI
“Great”
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”