1991 Mercedes-Benz 300SL Cooling and Climate Controls

Essential 1991 Mercedes-Benz 300SL Cooling and Climate Controls

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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Factory Air – O-Ring & Gasket A/C System Seal Kit (Part No.26769)

O-Ring & Gasket A/C System Seal Kit

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$31.99
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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Delphi – Engine Coolant Temperature Sensor (Part No.TS10263)

Engine Coolant Temperature Sensor

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$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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Flex A Lite – Trimline Straight Blade Electric Fan (Part No.116)

Trimline Straight Blade Electric Fan

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$119.99
Trimline Straight Blade Electric Fan

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

A/C Pressure Switch

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$18.63
A/C Pressure Switch

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

5-Wire Style Relay

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$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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Hella – Coolant Level Sensor (Part No.G105074531HEL)

Coolant Level Sensor

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$38.27
Coolant Level Sensor

Carquest Premium – A/C Tube and Fin Evaporator (Part No.T54128)

A/C Tube and Fin Evaporator

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$199.99
Carquest Evaporators are designed to remove heat from the air inside the passenger compartment of a vehicle resulting in cooler air temperatures. They are manufactured to meet or exceed original equipment specifications and are designed to easily fit into the engine compartment.

Product Features:
  • The design and manufacture of the evaporators result in uniform refrigerant distribution with optimal flow for improved performance and maximum heat transfer.
  • The evaporators are constructed to offer a lightweight, compact design that will fit easily within the engine compartment.
  • The surface treatment on each part ensures optimum water drainage to prevent mold and odors in the system.
  • The evaporators are 100% tested to meet or exceed original equipment specifications. Each part is helium tested to ensure no leaks.
  • O-Rings and gaskets necessary for installation are included.
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ACM – ACM A/C Receiver Drier (Part No.R1040148407ACM)

ACM A/C Receiver Drier

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$173.86
The ACM A/C Receiver Drier is manufactured to exact OEM specifications for quality fit and performance.

Product Features:
  • OE-Equivalent and Direct fit Application.
  • Meets or exceeds the vehicle manufacturer specifications.
  • Utilizes factory style fittings and connectors.
  • Includes the required o-rings and associated hardware
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Carquest Premium – ABS Wheel Speed Sensor (Part No.ARA3658)

ABS Wheel Speed Sensor

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$299.99
Advance Auto Parts is committed to providing high-quality ABS sensors. The entire manufacturing process is closely managed to deliver high quality products.

Product Features:
  • High grade materials that are equal to or better than OE provide durability and long service life
  • All ABS sensors are tested for proper fit, form, and function
  • Wire diameter and sheathing same or larger than OE to ensure product quality
  • Glass filled reinforced plastic for superior resistance to automotive fluids, dirt, salt and road debris
  • Includes all necessary brackets and hardware
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Rein – Cap-Expansion Tank (Part No.CPE0026P)

Cap-Expansion Tank

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$11.49
Rein Automotive OE Quality expansion tank caps are designed to be direct replacements for OE caps. Rein caps are designed to match or exceed the OE materials used and are produced to the highest standards to ensure long service life. Rein Automotive OE quality expansion tank caps keep the coolant system at the proper pressure just like the OE cap.

Product Features:
  • Manufactured to strict engineering standards/specifications in materials and tolerances.
  • Direct fit.
  • Meets or exceeds pressure specifications demanded by the OE manufacturer.
  • Produced by an original equipment supplier.
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Bosch – Auxiliary Water Pump (Part No.G305028293BOS)

Auxiliary Water Pump

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$151.14
Restore your vehicle’s cooling system to proper working order, and minimize the risk of premature failure, by installing a Bosch Auxiliary Water Pump. Bosch Auxiliary Water Pumps are designed to operate in the highly-stressful environment of today’s cooling systems. Eliminating the mechanical commutation system leaves the durability of the rotor bearings as practically the only limiting factor for service life. In addition to that, the lower number of moving parts results in significantly reduced noise.

Product Features:
  • OE Quality, reliability and service life
  • Leak-proof sealing of the drive
  • Fuel savings and reduced emissions
  • Cooling even without operation of the engine
  • CO²-reduction by optimized efficiency, speed control and reduced weight
  • Coverage of a wide hydraulic performance range
  • Reduced noise level
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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 – 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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Permatex – The Right Stuff Grey Instant Gasket Maker, 147ml Cartridge (Part No.34311)

The Right Stuff Grey Instant Gasket Maker, 147ml Cartridge

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$28.49
Specifically designed to perform under higher torque loads associated with engines having closely spaced bolt patterns (typically import vehicles). This product is blowout resistant, allowing leakproof gaskets to be made and put into service in just one minute. Sensor-safe, The Right Stuff GREY seals instantly, forming a reliable, long lasting elastomeric rubber gasket that outperforms pre-molded gaskets. Specified by major import OEMs, this material is resistant to powertrain fluids (oil, coolant and ATF) and operates in environments to 450°F (232°C) continuous; 500°F (260°C) intermittent.

Product Features:
  • Ideal for rigid cast aluminum parts
  • Meets OEM Specifications
  • Sensor safe & non-corrosive
  • Performs under higher torque loads associated with engines having closely spaced bolt patterns (typical of import vehicles)
  • Blowout resistant, allowing leakproof gaskets to be made in just one minute
  • Seals instantly, forming a reliable, long lasting elastomeric rubber gasket
  • Superior resistance to powertrain fluids including engine oil, transmission fluid, gear lube and coolants
  • Temperature range -60°C to 260°C (-75°F to 500°F) intermittent
  • Applications: Automotive, industrial and marine gaskets, valve covers, gearbox covers, pumps, compressors, oil pans, thermostat housings, water pumps, etc.
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ACM – Air Conditioning Evaporator Temperature Sensor (Part No.R1071406957ACM)

Air Conditioning Evaporator Temperature Sensor

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$54.53
ACM is a supplier of Original Equipment quality climate control products. Located in evaporator case.
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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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Febi – Bilstein Thermostat Housing Cover / Water Outlet (Part No.G401139361FEB)

Bilstein Thermostat Housing Cover / Water Outlet

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$29.10
The Febi/Bilstein Thermostat Housing Cover is an ideal high quality aftermarket replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • OE style construction
  • Quality machined thread ports
  • Corrosion and rust inhibitor coated
  • Meets or Exceeds OEM Specifications
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Dorman – Coolant Housing/Water Outlet: With Water Outlet and O-Ring, 90 Degree Neck Angle (Part No.902-943)

Coolant Housing/Water Outlet: With Water Outlet and O-Ring, 90 Degree Neck Angle

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$43.49
This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and models
  • Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design – professionally engineered by the aftermarket leader in replacement thermostat housings
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Carquest Premium – Standard Thermostat: 180 Degrees (Part No.13648)

Standard Thermostat: 180 Degrees

from

$24.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
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Behr – Radiator Drain Plug (Part No.G106034117BEH)

Radiator Drain Plug

from

$6.23
Radiator Drain Plug

Carquest Premium – Engine Coolant Temperature Switch (Part No.TFA1154)

Engine Coolant Temperature Switch

from

$42.49
The engine coolant temperature sender, not to be confused with the engine coolant temperature sensor, is located anywhere within the engine cooling system, and contains a thermistor that changes in resistance value as the thermistors ambient temperature changes. The engine coolant temperature sender is fed 12 volts and is typically used in conjunction with a gauge in the instrument cluster to provide a visual representation of the engine coolant temperature condition.

Product Features:
  • Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
  • Lead frame terminal size and location determined using image dimension measuring system or 3D laser scanner.
  • Thermally conductive grease within the housing providing the most accurate temperature transfer from the engine to the thermistor.
  • Plated brass or aluminum housings to prevent housing corrosion, ensures effective heat distribution to thermal element, and ensure a secure and leak-free thread mount.
  • Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the connector terminal design process ensures speed-to-market and a precise connector fit guaranteed.
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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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Carquest Standard – Reman Nippondenso 10PA17C Compressor w/ Clutch (Part No.DW57336)

Reman Nippondenso 10PA17C Compressor w/ Clutch

from

$261.99
Carquest Standard compressors offer reliable, long-lasting performance for a leak-free, dependable repair.

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
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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

from

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

A/C ACC Temp Sensor

from

$32.68
A/C ACC Temp Sensor

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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1991 Mercedes-Benz 300SL Cooling and Climate Controls

You count on your 1991 Mercedes-Benz 300SL 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 61 Cooling and Climate Controls ranging in price from $0.99 to $504.01, you’re sure to find everything you need for your 1991 Mercedes-Benz 300SL.

Brands matter. If you want to shop a specific Cooling and Climate Controls brand, we stock 19 different brands like Permatex, Carquest Premium, and Factory Air. 1991 Mercedes-Benz 300SL 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 478 extensive product reviews on 1991 Mercedes-Benz 300SL Cooling and Climate Controls. Some of the top-rated Cooling and Climate Controls products we carry are Cap & Valve A/C System Seal Kit with 4.2 stars and Radiator Cap: 20 PSI 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 300SL below to get started!

Top-Rated Cooling and Climate Controls Brands For Your 1991 Mercedes-Benz 300SL

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 300SL 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 300SL back on the road. Some of the top-rated Permatex products in these categories are:
The Right Stuff: 1 Minute Gasket Maker: Grey, 3 OZ
from $19.99
(2)
The Right Stuff: 1 Minute Gasket Maker: Grey, 3 OZ
Engine Water Pump Inlet Pipe Gaskets
Sensor-Safe, High Torque RTV Silicone Gasket Maker
from $6.99
(9)
Sensor-Safe, High Torque RTV Silicone Gasket Maker
Engine Water Pump Inlet Pipe Gaskets
Sensor-Safe, High-Torque RTV Silicone Gasket Maker
from $11.49
(95)
Sensor-Safe, High-Torque RTV Silicone Gasket Maker
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 300SL, 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
Engine Water Pump Inlet Pipe Gaskets

FAQs for 1991 Mercedes-Benz 300SL Cooling and Climate Controls

What are the most purchased Cooling and Climate Controls for the 1991 Mercedes-Benz 300SL?

Out of 61 Cooling and Climate Controls for the 1991 Mercedes-Benz 300SL, the most popular in our inventory are:
Radiator Cap: 20 PSI
from $8.79
(16)
Radiator Cap: 20 PSI
Radiator Caps
Standard Thermostat: 192 Degrees
from $25.99
(49)
Standard Thermostat: 192 Degrees
Thermostats
Standard Thermostat: 180 Degrees
from $24.99
(8)
Standard Thermostat: 180 Degrees
Thermostats

What are the top-rated 1991 Mercedes-Benz 300SL Cooling and Climate Controls?

Top-rated Cooling and Climate Controls for your 1991 Mercedes-Benz 300SL based on customer reviews/ratings are:
Cap & Valve A/C System Seal Kit
from $16.99
(6)
Cap & Valve A/C System Seal Kit
“Good product and price.”
Radiator Cap: 20 PSI
from $9.49
(3)
Radiator Cap: 20 PSI
“Great”
Thermostat, 189 Degrees Fahrenheit
from $45.29
(1)
Thermostat, 189 Degrees Fahrenheit
“it worked and fit perfect”