1991 Mercedes-Benz 300D Cooling and Climate Controls

Below you will find various in-demand Mercedes-Benz Cooling and Climate Controls, components and accessories for your 1991 300D. Advance Auto Parts has popular 300D parts like Air Conditioning Parts, HVAC Electrical Parts, Blower Motor and Related Products and more. You’ll also find aftermarket and OEM Cooling and Climate Controls for other 300D model years including 1977, 1978, 1979, 1980, 1981, 1987, 1990, 1992, 1993 and more. Select a category of 1991 Mercedes-Benz 300D Cooling and Climate Controls below and start saving instantly.

Popular 1991 Mercedes-Benz 300D Cooling and Climate Controls Categories

Water Pump Housing Gaskets

Climate Control Modules

Radiator Fan Motors

Coolant Temperature Sensors

Engine Water Pump Inlet Pipe Gaskets

Coolant Reservoir Caps

Blower Motor Resistors

AC Condensers

AC Line O-Rings

AC Relay Connectors

Engine Auxiliary Water Pumps

Accumulator and Receiver Driers

AC O-Ring and Gasket Kits

Temperature Switch and Senders

Water Pump Gaskets

Expansion Valve and Orifice Tubes

AC High Pressure Side Switches

Radiator Drain Plugs

Coolant Level Sensors

Radiator Fan Switches

AC Temperature Control Switches

AC Compressor Gaskets

Radiator Cap Adapters

AC Compressor Seals

Radiator Support Air Deflector Clip

Essential Cooling and Climate Controls for 1991 Mercedes-Benz 300Ds

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$37.81

ACM is a supplier of Original Equipment quality climate control products. 2 spade terminals on short pigtail.

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$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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$1.61

Rivet, Plastic Spread Rivet

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$292.99

This engine auxiliary water pump is designed to match the fit and function of the original pump on specified applications, and is engineered for reliable performance and durability.

Product Features:

Direct replacement – this engine auxiliary water pump is designed to match the fit and function of the original pump on specified applications.
Restores functionality – reliable replacement for an original pump that has failed to provide sufficient water flow.
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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$28.65

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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$0.99

Made from HNBR material; Compatible with R12 And R134A; High quality construction; Universal applications

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$336.72

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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$28.99

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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$24.79

The Carquest Premium 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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$119.99

Trimline Straight Blade Electric Fan

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$18.99

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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$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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$809.99

Carquest premium direct replacement resistors are designed to match the operation and performance of the original equipment to restore the proper heating and cooling functionality.

Product Features:

Restores Functionality- Manufactured to original equipment specifications to restore full HVAC operation
Original equipment quality – Carquest blower motor resistors meet the high quality material standards and tolerances as the original equipment
Complete kit – Each kit includes the resistor, connector, and splice connectors to complete the job
Direct replacement – Carquest blower motor resistor kits are a direct replacement to the original equipment resistor

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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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$380.82

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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$119.99

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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$6.99

Permatex Water Pump & Thermostat RTV Silicone Gasket Maker is a noncorrosive, sensor-safe RTV silicone gasket material formulated for water pumps and thermostat housings. Permatex Water Pump & Thermostat has the highest water-glycol resistance available in an RTV silicone.

Product Features:

Sensor-safe, noncorrosive RTV silicone gasket material
Formulated specifically for water pumps and thermostat housings
Highest water-glycol resistance available in RTV silicone
Superior adhesion and flexibility
Can be used as a gasket maker or dressing

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$17.99

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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$5.29

Includes O-Ring; Compatible with R12 And R134A; High quality construction; Universal applications

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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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$28.30

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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$164.99

Product Features:

Designed, tested, and built by application
OE performance, fit, and appearance
Precision machined
Out of box installation

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$46.66

A/C ACC Temp Sensor

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$8.14

Radiator Drain Plug

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$6.13

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

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$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

Upgrade your 1991 Mercedes-Benz 300D with Top-Quality Cooling and Climate Controls

When it comes to maintaining or upgrading your 1991 Mercedes-Benz 300D, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Mercedes-Benz or enhancing its overall performance, Cooling and Climate Controls are key to keeping your 300D functioning at its best. At Advance Auto Parts, we offer a wide selection of 59 Cooling and Climate Controls for the 1991 Mercedes-Benz 300D, designed to meet your needs without breaking the bank. From Air Conditioning Part replacements to HVAC Electrical Parts upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Cooling and Climate Controls for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Cooling and Climate Controls for your 1991 Mercedes-Benz 300D at great prices. Our Cooling and Climate Controls inventory for this model ranges from just $0.99 to $809.99, with an average price of $98.30. Our 59 Cooling and Climate Controls in stock come from 23 trusted brands, so you’re sure to find the right part for your 1991 Mercedes-Benz 300D without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 1991 Mercedes-Benz 300D, we stock popular OEM and aftermarket Cooling and Climate Controls from top names like Permatex, Carquest Premium, Factory Air, and more. Permatex Cooling and Climate Controls start at just $6.99 and boast an impressive 5 stars average rating from customers. Carquest Premium and Factory Air also bring quality to the table, with Cooling and Climate Controls available starting at $0.99, and at an average 4 stars rating. With 322 customer reviews and counting, our 1991 Mercedes-Benz 300D Cooling and Climate Controls have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Cooling and Climate Control upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 1991 Mercedes-Benz 300D is always ready to roll. We’re committed to providing you with everything you need to keep your 300D in top shape, all in one place. Start shopping confidently below for your 1991 Mercedes-Benz 300D!

Best-Selling Air Conditioning Parts for 1991 Mercedes-Benz 300Ds

Enhance the driving experience in your Mercedes-Benz with 20 quality Air Conditioning Part components, starting at $0.99.

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$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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$17.99

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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$1.99

Made from HNBR material; Compatible with R12 And R134A; High quality construction; Universal applications

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$0.99

Made from HNBR material; Compatible with R12 And R134A; High quality construction; Universal applications

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$1.99

Made from HNBR material; Compatible with R12 And R134A; High quality construction; Universal applications

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$35.56

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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$5.29

Includes O-Ring; Compatible with R12 And R134A; High quality construction; Universal applications

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$222.31

BEHR manufactures an OE-equivalent direct fit A/C Condenser that guarantees the same high quality, fit and performance of the OEM A/C condenser it replaces. BEHR produces brazed flat-tube condensers, delivering high power in spite of their small package size. This ensures rapid cooling of the vehicle cabin, thanks to optimum matching of heat transfer and pressure drop on the coolant side and air side.

Product Features:

OE-Equivalent and Direct fit Application.
Advanced technology parallel flow, sub cool and serpentine design.
Provides the fit, quality and performance of the original equipment.
compliant for both R12 and R134A refrigerants.

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$66.75

The Behr 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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$47.36

A/C Temp. Switch

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$47.27

A/C Receiver Drier

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$45.11

A/C Expansion Valve

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$39.99

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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$37.99

Rein OE Quality Receiver Drier. If the OES manufacturer fits a high pressure safety valve and or sight glass, the equivalent Rein Automotive Receiver Drier will also be fitted with one. All Rein Automotive Receiver Driers are pressure tested after manufacturing to ensure high quality.

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$35.99

New Standard Replacement A/C Expansion Valve, L6 Engine

Product Features:

L6 Engine
Meets All Federal Motor Safety Standards
No Drilling Needed For Installation
No Modifications Needed For Installation
Direct Fit Replacement For Your Vehicle
Same Form Fit And Function As OE
Check Out The Large Selection Of Parts Available For Your Vehicle

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$34.99

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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$32.44

ACM is a supplier of Original Equipment quality climate control products. Located on receiver drier for auxiliary cooling fan. Identified by 2 spade terminals on short pigtail with red base.

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$27.99

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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$20.70

A/C Pressure Switch

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$6.13

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

Top Picks for 1991 Mercedes-Benz 300D Blower Motor and Related Products

Upgrade Mercedes-Benz 300Ds with top-quality Blower Motor and Related Products parts, including 3 OEM and aftermarket selections for your 1991 model.

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$809.99

Restores Functionality- Manufactured to original equipment specifications to restore full HVAC operation
Original equipment quality – Carquest blower motor resistors meet the high quality material standards and tolerances as the original equipment
Complete kit – Each kit includes the resistor, connector, and splice connectors to complete the job
Direct replacement – Carquest blower motor resistor kits are a direct replacement to the original equipment resistor

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$531.99

Restores Functionality- Manufactured to original equipment specifications to restore full HVAC operation
Original equipment quality – Carquest blower motor resistors meet the high quality material standards and tolerances as the original equipment
Complete kit – Each kit includes the resistor, connector, and splice connectors to complete the job
Direct replacement – Carquest blower motor resistor kits are a direct replacement to the original equipment resistor

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$131.12

Blower Motor

In-Demand Engine Cooling Parts for 1991 Mercedes-Benz 300Ds

Select from 35 premium Engine Cooling Parts parts for your 1991 Mercedes-Benz 300D, with prices ranging from $1.61 to $380.82.

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from

$26.99

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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$9.49

Safety lever to vent coolant pressure before removal
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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$6.99

Sensor-safe, noncorrosive RTV silicone gasket material
Formulated specifically for water pumps and thermostat housings
Highest water-glycol resistance available in RTV silicone
Superior adhesion and flexibility
Can be used as a gasket maker or dressing

from

$8.79

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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$22.99

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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$14.29

Machined metal construction
Works with MT-300 pressure tester
Tests coolant caps
Professional quality

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$28.30

OE quality and design
Maintenance-free, durable elements

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$11.49

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.

from

$229.99

Carquest Premium radiators are designed and engineered for maximum performance, using the highest-grade materials to ensure all radiators meet or exceed original equipment (O.E.) fit, form and function. Carquest Premium radiators are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Most modern vehicles use radiators with plastic tanks and our parts are engineered with integrated ribbing to prevent damage during thermal cycling. Carquest Premium radiators are also 100% tested to ensure a durable, leak-free cooling system repair.

Product Features:

Thermal tested under real-life temperature simulations
High tensile strength aluminum for maximum crimp strength
Plastic tanks are engineeredáwith integrated ribbingáfor addedástrength to withstand cracks, bowing and distortion during thermal cycles
Thermal expansion slots extend core life and reduce failure rates by allowing improved core expansion and contraction during systematic heat cycles

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$119.99

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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$88.15

The GEBA Water Pump contains no remanufactured components and is manufactured to ensure high efficiency and optimal cooling under all conditions. Geba maintenance free Bearings with ball and roller spindle bearings are designed for the highest axial and radial stresses. Up to Date unitized sealing technology ensure optimal leak tightness and longevity. All housings are examined before the assembly. This procedure guarantees high reliability and life span of GEBA water pumps.

Product Features:

OE-Equivalent and direct fit application.
100% new with no remanufactured parts.
High quality cast aluminum.
Advanced bearing design for high axial and radial stresses.
Unitized sealing technology that ensures optimal leak tightness and longevity.
Optimum cooling performance and longevity.

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$292.99

Direct replacement – this engine auxiliary water pump is designed to match the fit and function of the original pump on specified applications.
Restores functionality – reliable replacement for an original pump that has failed to provide sufficient water flow.
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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$16.62

Radiator Cap

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$380.82

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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$347.99

Black Magic Electric Fan

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$292.50

The Visco® clutch has the task of making the frictional connection to the fan wheel depending on the temperature, and influencing its speed. The drive torque is transferred by means of wear-free viscous friction to the fan wheel, the continuously variable speed of which is set on the basis of the operating conditions. In the case of the electrically-driven Visco® clutch, control takes place directly via sensors. Requirement-based cooling optimizes the coolant temperature, engine noise and fuel consumption.

Product Features:

Out of box, drop in replacements
Factory mounts for easy install
Exact fit
Reduced labor time
Higher customer satisfaction

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$203.61

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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$193.99

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

Product Features:

Built to meet or exceed OE fit, form and function
All components necessary for installation are supplied with pump
100% tested for reliable performance
Follow all enclosed instructions to maximize pump life and validate warranty

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$119.99

Trimline Straight Blade Electric Fan

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$115.94

The Metrix Auxiliary Cooling Fan Assembly is an ideal high quality aftermarket replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:

OE quality
Quiet operation and dependable performance
Dual Bearing design technology
Vibration free operation
Precision assembled and balanced with all new components
Tested to OEM specifications

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$109.99

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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$103.99

Product Features:

Designed, tested, and built by application
OE performance, fit, and appearance
Precision machined
Out of box installation

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$102.38

Fan Clutch

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$46.66

A/C ACC Temp Sensor

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$39.49

Beck/Arnley parts meet foreign nameplate OE specifications for form, fit and function. Our product specialists work with a network of global sourcing partners so you can install the right part with confidence.

Product Features:

Matches OE form, fit and function
Features a standard jiggle valve where required by OE and has a long stroke for maximum cooling
Constructed with premium materials for durability
Be sure to use the proper coolant to maximize cooling system components. See Beck/Arnley catalog for the coolant for this application.
Application specific for this vehicle

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$38.99

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

from

$38.56

Coolant Level Sensor

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$32.49

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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$28.65

from

$25.99

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.

from

$18.99

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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$8.14

Radiator Drain Plug

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$7.65

Radiator Cap

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$2.60

Coolant Sensor O-Rin

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$1.61

Rivet, Plastic Spread Rivet

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

Shop for the best-rated brands offering Cooling and Climate Controls and other products for your 1991 Mercedes-Benz 300Ds. Below you’ll find some of our best rated Cooling and Climate Controls from Permatex, Carquest Premium, and Factory Air, and more. Cooling and Climate Controls from these brands that fit a 1991 300D start at just $0.99 and are rated as high as 5 stars. OEM and aftermarket Cooling and Climate Controls don’t get more top quality, durable, and affordable than from the brands below.

Popular Permatex 1991 Mercedes-Benz 300D Cooling and Climate Controls

When it comes to maintaining or upgrading your 1991 Mercedes-Benz 300D, using quality Cooling and Climate Controls is essential to ensure durability and a perfect fit. Permatex ticks all of those boxes. We offer a wide selection of Permatex Cooling and Climate Controls, specifically designed for the 1991 Mercedes-Benz 300D. With over 3 Permatex brand Cooling and Climate Controls in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $6.99, with an average price of just $24.32. Plus, with over 295 customer reviews and an average rating of 5 stars, you can trust that our Permatex Cooling and Climate Controls will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.

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$26.99

(7)

High-Torque, High-Vibration RTV Silicone Gasket Maker, 13 OZ

“it worked great,thank you marv and your crew.”

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$6.99

(288)

Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ

“Goood product”

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$38.99

This product is not rated

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

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Popular Carquest Premium 1991 Mercedes-Benz 300D Cooling and Climate Controls

Carquest Premium auto parts is one of the highest quality Cooling and Climate Control brands in the market. Any 1991 Mercedes-Benz 300D owner should feel confident when installing genuine Carquest Premium parts in their vehicle. To ensure the best fit and performance for your 1991 300D, Advance Auto Parts carries a full inventory of 16 Carquest Premium Cooling and Climate Controls. Plus you will be keeping your Mercedes-Benz in peak condition while saving money because prices on these Carquest Premium Cooling and Climate Controls range from $8.79 to $809.99, plus, with more than 21 customer reviews and an impressive 4 stars average rating, you can be confident the Fram Cooling and Climate Controls below will deliver on both quality and value.

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$14.29

This product is not rated

Radiator Cap Tester Adapter

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$229.99

This product is not rated

Radiator: With Transmission Oil Cooler

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$119.99

This product is not rated

Engine Water Pump: New, Gasket/Seals Included

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

Which Cooling and Climate Controls are best-sellers for 1991 Mercedes-Benz 300Ds?

Out of 59 Cooling and Climate Controls that fit 1991 Mercedes-Benz 300Ds, the following parts are the top sellers:

Radiator Cap: 20 PSI (17110023) – $8.79
Cap & Valve A/C System Seal Kit (15890308) – $16.99
Radiator Cap: 20 PSI (10049228) – $9.49

What’s the price range for 1991 Mercedes-Benz 300D Cooling and Climate Controls?

Cooling and Climate Control prices for the 1991 Mercedes-Benz 300D start at $0.99 and go up to $809.99 for the most premium parts.

What’s the average price of a Cooling and Climate Control for a 1991 Mercedes-Benz 300D?

The average price for Cooling and Climate Controls for the 1991 Mercedes-Benz 300D is $98.30. Keep in mind the variety of part types within our Cooling and Climate Control category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Cooling and Climate Controls for other Mercedes-Benz 300D model years?

Yes, we currently carry Cooling and Climate Controls for 15 model years of Mercedes-Benz 300Ds between 1959 and 1993. Cooling and Climate Controls are bought most frequently for the following model years: 1993, 1992, 1990, 1987, 1981, 1980, 1979, 1978, and 1977.

What are the cheapest Cooling and Climate Controls for my 1991 Mercedes-Benz 300D?

The cheapest 1991 Mercedes-Benz 300D Cooling and Climate Controls we carry in stock are:

Green Round O-Ring (18890254) – $0.99
Rivet, Plastic Spread Rivet (11033756) – $1.61
Green Round O-Ring (18890169) – $1.99
Green Round O-Ring (18890821) – $1.99
Coolant Sensor O-Rin (11974183) – $2.60

What are the top-rated Cooling and Climate Controls that fit the 1991 Mercedes-Benz 300D?

Out of 322 reviews by customers, our 1991 Mercedes-Benz 300D Cooling and Climate Controls have an average customer rating of . These are some of the highest-rated Cooling and Climate Control types for the 1991 Mercedes-Benz 300D and their top-rated products:

Engine Cooling Parts
- High-Torque, High-Vibration RTV Silicone Gasket Maker, 13 OZ (7160239) – $26.99
- Radiator Cap: 20 PSI (10049228) – $9.49
- Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ (7160009) – $6.99

What types of Cooling and Climate Controls do you sell for my 1991 Mercedes-Benz 300D?

As of 2/5/25, these are some of the most in-demand types of Cooling and Climate Controls for a 1991 Mercedes-Benz 300D:

Can I get help with 1991 Mercedes-Benz 300D Cooling and Climate Control orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Mercedes-Benz Cooling and Climate Controls and more.

What is your return policy for Mercedes-Benz 300D Cooling and Climate Controls?

Advance Auto Parts keeps returns simple. For new Mercedes-Benz 300D Cooling and Climate Controls and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

1991 Mercedes-Benz 300D Cooling and Climate Controls

ACM – Air Conditioning Temperature Switch (Part No.R105511825ACM)

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

Vaico – Rivet, Plastic Spread Rivet (Part No.Q2001400703VCO)

Dorman – Auxiliary Coolant Pump (Part No.902-088)

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

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

Programa – HVAC Control Module (Part No.R205936332PRO)

Carquest Premium – A/C Filter Drier (Part No.T33401)

Carquest Premium – HVAC Pressure Switch (Part No.ACA1675)

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

Carquest Premium – Temperature Sender With Gauge (Part No.WTC1249)

Carquest Premium – Radiator Cap Tester Adapter (Part No.12552)

Carquest Premium – HVAC Blower Motor Resistor (Part No.RUE1481)

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

Nissens – Radiator (Part No.G100040399NSS)

Carquest Premium – Engine Water Pump: New, Gasket/Seals Included (Part No.T2205)

Permatex – Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ (Part No.22071)

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

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

Rein – Cap-Expansion Tank (Part No.CPE0026P)

Mahle – Thermostat (Part No.G400049781MAH)

Carquest Premium – Universal Reverse Rotation Thermal Standard Duty Fan Clutch (Part No.215131)

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

Behr – Radiator Drain Plug (Part No.G106034117BEH)

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

Permatex – High-Torque, High-Vibration RTV Silicone Gasket Maker, 13 OZ (Part No.82195)

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

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

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

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

Factory Air – Green Round O-Ring (Part No.24615)

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

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

Behr – BEHR A/C Condenser (Part No.R103034566BEH)

Behr – Behr A/C Receiver Drier (Part No.R104029853BEH)

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

Autopart International Inc – A/C Receiver Drier (Part No.R10403307422API)

Autopart International Inc – A/C Expansion Valve (Part No.R10453349390API)

Carquest Premium – A/C Block Type Flange Expansion Valve (Part No.T38750)

Rein – A/C Receiver Drier (Part No.ACD0186R)

KAI – A/C Expansion Valve, L6 Engine (Part No.ACX011004)

Carquest Premium – A/C Filter Drier (Part No.T33423)

ACM – Air Conditioning Temperature Switch (Part No.R105529376ACM)

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

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

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

Programa – HVAC Control Module (Part No.R205949490PRO)

Carquest Premium – HVAC Blower Motor Resistor (Part No.RUE1481)

Carquest Premium – HVAC Blower Motor Resistor (Part No.RUC1886)

Autopart International Inc – Blower Motor (Part No.R20311971740API)

Permatex – High-Torque, High-Vibration RTV Silicone Gasket Maker, 13 OZ (Part No.82195)

Carquest Premium – Radiator Cap: 20 PSI (Part No.10335)

Permatex – Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ (Part No.22071)

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

Carquest Premium – Standard Thermostat: 180 Degrees (Part No.13588)

Carquest Premium – Radiator Cap Tester Adapter (Part No.12552)

Mahle – Thermostat (Part No.G400049781MAH)

Rein – Cap-Expansion Tank (Part No.CPE0026P)

Carquest Premium – Radiator: With Transmission Oil Cooler (Part No.811310)

Carquest Premium – Engine Water Pump: New, Gasket/Seals Included (Part No.T2205)

Geba – Water Pump (Part No.G3000948841GEB)

Dorman – Auxiliary Coolant Pump (Part No.902-088)

Rein – Radiator Cap (Part No.G101030351RIN)

Nissens – Radiator (Part No.G100040399NSS)

Flex A Lite – Black Magic Electric Fan (Part No.160)

Behr – Hella Service Visco® Engine Cooling Fan clutch (Part No.G501081391BEH)

Bosch – Auxiliary Water Pump (Part No.G305028293BOS)

Carquest Premium – Engine Electric Water Pump: New, Plastic/Steel Housing (Part No.T1585)

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

Metrix – Auxiliary Cooling Fan Assembly (Part No.G500034209MTX)

Carquest Premium – Engine Coolant Temperature Sensor (Part No.WTA1763)

Carquest Premium – Universal Reverse Rotation Thermal Standard Duty Fan Clutch (Part No.215075)

Autopart International Inc – Fan Clutch (Part No.G50101946805API)

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

Beck/Arnley – Thermostat, 176 Degrees Fahrenheit (Part No.143-0823)

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

Hella – Coolant Level Sensor (Part No.G105016387HEL)

Motorad – Standard Thermostat: 185 Degrees (Part No.251-185)

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