Mercedes-Benz 300D Cooling and Climate Controls

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Essential Mercedes-Benz 300D Cooling and Climate Controls

URO Parts – Ac Pressure Switch, Freon Temp. & Aux. Fan At Receiver Drier (Part No.0048206810)

Ac Pressure Switch, Freon Temp. & Aux. Fan At Receiver Drier

from

$18.49
For European vehicles, A.P.A. manufactures the URO Parts brand of quality replacement parts, which meet or exceed OEM specifications. URO Parts components are ideal for both professional and DIY vehicle repair, and are often the exclusive aftermarket alternative to overpriced ¿Genuine¿ components. By reducing deferred maintenance with URO Parts, you will increase the bottom line of your business. With its URO Premium line, A.P.A. offers problem-solving upgraded components that are superior to failure-prone OEM parts in design and/or materials. A.P.A. is so confident in the longevity and reliability of URO Premium products, they’re covered by an unlimited mileage, . URO Parts also specializes in accurate reproduction parts for classic vehicles, including a huge variety of items that are no longer available from the dealer.

Product Features:
  • Guaranteed Fitment
  • High Quality Materials
  • Designed and tested to provide a long life
  • Replacement of failed A/C refrigerant pressure sensor restores proper system operation
  • Direct-fit OE replacement design is easily installed
  • Easy plug-and-play wiring connection
  • Manufactured using high-quality polymer and corrosion-resistant metal materials to withstand A/C system heat
  • Alloy conductors minimize electrical resistance for accurate operation
  • Designed and tested for reliability and long life
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National – Multi-Purpose Bearing (Part No.S-128)

Multi-Purpose Bearing

from

$12.49
Product Features:
  • RIGHT TYPE: Needle bearings are application-specific for the repair occasion, using either caged or full complement designs
  • PREMIUM MATERIALS: Precision manufactured using high-quality materials for outstanding durability and performance
  • OE-STYLE DESIGN: Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
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Carquest Premium – Coolant Temperature Sender 1TS1264 (Part No.WTC1249)

Coolant Temperature Sender 1TS1264

from

$24.99
Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
  • OE precision matched thermistor ensuring Carquest sensors match OE output resistances across all temperature positions
  • O-rings, seals or thread sealant are included if required
  • Weather-tight connectors prevent leaks and corrosion for longer life
  • Extensive design validation testing and 100% end-of-line tested
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
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Carquest Premium – ABS Wheel Speed Sensor (Part No.ARC2991)

ABS Wheel Speed Sensor

from

$218.99
Carquest Premium anti-lock brake system (ABS) wheel speed sensors are designed to perform in harsh environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium ABS sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Each ABS sensor undergoes extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium ABS sensors are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:
  • Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
  • O-rings or seals are included (where applicable)
  • Weather-tight connectors prevent leaks and corrosion for longer life
  • Includes all necessary brackets and grommets for easier installation
  • Extensive design validation testing and 100% end-of-line tested
  • Fluorocarbon high-temperature o-ring seals coated with lubricant for easy installation prevents hub contamination.
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
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Carquest Premium – A/C Expansion Valve (Part No.T39210)

A/C Expansion Valve

from

$33.99
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 – Universal Reverse Rotation Thermal Standard Duty Fan Clutch (Part No.215131)

Universal Reverse Rotation Thermal Standard Duty Fan Clutch

from

$171.99
Advance Auto Parts is proud to carry comparable exact-fit parts from multiple vendors, as such, the item you receive may be one of two quality brands. Both brands meet the same fitment requirements and are equal in their performance and specifications. The fan clutch is the component of the cooling system that varies the fan speed to meet the cooling needs of the engine. The fan clutch provides high airflow volume and, by only operating the fan as needed, promotes good fuel economy. Carquest fan clutches are designed to meet OE performance specifications.

Product Features:
  • Designed, tested, and built by application
  • OE performance, fit, and appearance
  • Precision machined
  • Out of box installation
  • Designed, tested, and built by application
  • OE performance, fit, and appearance
  • Precision machined
  • Out of box installation
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Carquest Premium – A/C Compressor Wiring Harness (Part No.T37201)

A/C Compressor Wiring Harness

from

$20.79
Carquest A/C Accessories provide a comprehensive offering of premium quality fittings and tools to service all aspects of an a/c service from the most simple fitting replacement to complex diagnostics required for late model applications.
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Dorman – Electrical Harness – 2-Wire GM A/C Clutch with Diode (Part No.85143)

Electrical Harness - 2-Wire GM A/C Clutch with Diode

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$12.49
This HVAC clutch coil connector is designed to match the appearance and function of the original hardware on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this HVAC clutch coil connector matches the appearance and function of the factory hardware on specified applications
  • Ideal solution – this connector is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Dorman – 5-Wire Style Relay (Part No.85170)

5-Wire Style Relay

from

$18.99
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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Mr. Gasket – Thermocap Radiator Cap (Part No.2470R)

Thermocap Radiator Cap

from

$56.99
The fastest, easiest way to know exactly when it’s safe to open your radiator cap. ThermoCap, with its built-in calibrated thermometer, indicates the coolant temperature.

Product Features:
  • Indicates coolant temperature
  • Helps prevent coolant injuries
  • Fahrenheit and centigrade readings
  • Color-coded temperature ranges
  • Integrated coolant reclamation valve
  • Improves under-hood appearance
  • Chromed crown with a colored trim ring
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Carquest Premium – New GM R4 Heavy Compressor with Clutch (Part No.T58228)

New GM R4 Heavy Compressor with Clutch

from

$327.99
Manufactured Compressors are built in a ISO9001:2015 Certified facility to ensure consistent quality standards in the manufacturing process.

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
  • Built in a TS16949 certified manufacturing environment to ensure consistent quality that meets or exceeds OE specifications for fit, form, function, and durability
  • Double lip shaft seal to reduce refrigerant leakage over time requiring less maintenance
  • Manufactured Compressors meet or exceed OE specifications
  • Manufactured Compressors are validated for the equivalent of 100,000 miles
  • Manufactured Compressors come pre-charged with 3 ounces of PAG oil for R134a or R1234yf applications
  • Manufactured Compressors are individually vacuum, pressure, and Helium Mass Spectrometer tested to ensure no leaks
  • Manufactured Compressors come with the R12/R134A/1234yf required O-rings /sealing washers to install the compressor
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Rein – Cap-Expansion Tank (Part No.CPE0026P)

Cap-Expansion Tank

from

$12.99
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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Factory Air – Green Round O-Ring (Sold by each) (Part No.24615)

Green Round O-Ring (Sold by each)

from

$1.99
Made from HNBR material; Compatible with R12 And R134A; High quality construction; Universal applications
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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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Carquest Premium – Radiator Cap Tester Adapter (Part No.12552)

Radiator Cap Tester Adapter

from

$14.99
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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National – Multi-Purpose Bearing (Part No.907257)

Multi-Purpose Bearing

from

$53.99
Product Features:
  • BUILT TO LAST: Advanced heat treatment process for strength
  • PREMIUM MATERIALS: Precision manufactured using premium-grade steel for lasting performance and extended bearing life
  • RELIABLE PERFORMANCE: Element size and quantity are engineered to meet or exceed the load rating of OE bearings
  • COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
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Carquest Premium – Radiator (Part No.811310)

Radiator

from

$194.99
Carquest Premium Radiators offer one of the largest product ranges in the aftermarket, covering more than 95% of the popular automotive and light truck applications. Carquest Premium Radiators meet or exceed original equipment specifications, ensuring that products fit and perform just as well or better than the original parts, providing you peace of mind.

Product Features:
  • Our B-type tubes feature central reinforcement to provide greater tolerance to pressure. Stronger tube design means drastically reduced probability of tube failure.
  • Our deep extrusion header provides a stronger tube to header joint which is more resistant to the effects of vibration and thermal tube expansion, virtually eliminating tube to header leaks.
  • Our fin edges are folded for increased stability and heat disbursement properties.
  • Our included “multi-fit” attachments allow one radiator to cover multiple vehicle applications without sacrificing OE fit. This results in wider vehicle coverage with substantially less inventory.
  • Thermal expansion cuts allow for longer life and reduce failure rates by allowing improved core expansion and contraction during normal heat cycles.
  • We design and manufacture all our radiators to meet or even exceed Original Equipment specifications. We take pride in producing the most reliable replacement parts in the market.
  • We use longer header tabs for increased pressure resistance. This reduces the potential for tank to header leaks.
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Dorman – Auxiliary Coolant Pump (Part No.902-088)

Auxiliary Coolant Pump

from

$322.99
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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Carquest Premium – Coolant Temperature Sensor (Part No.WTC1431)

Coolant Temperature Sensor

from

$25.99
Carquest Premium coolant temperature sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry, Carquest Premium coolant temperature sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium coolant temperature sensors and switches are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
  • OE precision matched thermistor ensuring sensors match OE output resistances across all temperature positions
  • O-rings, seals or thread sealant are included if required
  • Weather-tight connectors prevent leaks and corrosion for longer life
  • Extensive design validation testing and 100% end-of-line tested
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
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Driveworks – Ball Bearing (Part No.S-907257)

Ball Bearing

from

$22.49
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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Carquest Premium – A/C Valve Core/Cap (Part No.T26777)

A/C Valve Core/Cap

from

$20.99
Carquest A/C Accessories provide a comprehensive offering of premium quality fittings and tools to service all aspects of an a/c service from the most simple fitting replacement to complex diagnostics required for late model applications.
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Carquest Premium – New Nippondenso 10PA17C Compressor with Clutch (Part No.T58336)

New Nippondenso 10PA17C Compressor with Clutch

from

$338.99
New Compressors are built in a ISO9001:2015 Certified facility. These facilities go through several audits to ensure quality standards in the manufacturing process.

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
  • New Compressors meet or exceed OE specifications
  • New Compressors are validated for the equivalent of 100,000 miles
  • New Compressors come pre-charged with 3 ounces of PAG oil for R134a or R1234yf applications
  • New Compressors come with direct fit connectors for ease of installation and to help eliminate splicing
  • New Compressors come with the R12/R134A/1234yf required O-rings /sealing washers to install the compressor
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Carquest Premium – HVAC Pressure Switch (Part No.ACA1572)

HVAC Pressure Switch

from

$27.99
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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Carquest Premium – A/C Receiver Drier (Part No.T33423)

A/C Receiver Drier

from

$34.99
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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Factory Air – Green Round O-Ring (Sold by each) (Part No.24610)

Green Round O-Ring (Sold by each)

from

$0.99
Made from HNBR material; Compatible with R12 And R134A; High quality construction; Universal applications
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Helping You Find the Right Cooling and Climate Controls for Your Mercedes-Benz 300D

You love your 300D. So we’ve made it easier than ever to help you find Mercedes-Benz 300D Cooling and Climate Controls in our online catalog. Our inventory holds 59 aftermarket and OEM Cooling and Climate Controls for your Mercedes-Benz 300D, ranging from $0.99 to $809.99.

We offer parts from 10 brands trusted to make quality Cooling and Climate Controls for your Mercedes-Benz 300D. Before you buy, take some time to read through customer reviews. We currently have 1,140 reviews of Mercedes-Benz 300D Cooling and Climate Controls from previous customers. Some of the top rated parts include Ball Bearing with 2.3 stars and Remanufactured GM R4 Heavy Compressor with Clutch with 5.0 stars.

Find your 300D Cooling and Climate Controls here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your Mercedes-Benz 300D part to confirm it’s just right? You can find your nearest Advance Auto Parts store and confirm they have the part in stock before heading over.

Top Cooling and Climate Controls Brands for Your Mercedes-Benz 300D

Our inventory holds Cooling and Climate Controls for your Mercedes-Benz 300D from 10 trusted brands. You’ll find OEM and aftermarket parts from brands like Carquest Premium, Factory Air, and Carquest, all of which can keep that Mercedes-Benz happy.

Top-Rated Carquest Premium Cooling and Climate Controls

Leading Carquest Premium Cooling and Climate Controls

We carry Carquest Premium brand parts for your Mercedes-Benz 300D across several catalog categories, including Engine Cooling Parts. Some of our most reviewed Carquest Premium parts include:
Radiator Cap: 13 PSI
from $10.99
(51)
Radiator Cap: 13 PSI
Radiator Caps
Standard Thermostat: 192 Degrees
from $25.99
(49)
Standard Thermostat: 192 Degrees
Thermostats
Radiator Cap: 20 PSI
from $8.79
(16)
Radiator Cap: 20 PSI
Radiator Caps

FAQs for Mercedes-Benz 300D Cooling and Climate Controls

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

Out of 59 Cooling and Climate Controls for the Mercedes-Benz 300D, the most popular in our inventory are:
Cap & Valve A/C System Seal Kit
from $20.99
(6)
Cap & Valve A/C System Seal Kit
AC Line O-Rings
Reman GM A6 Compressor w/ Clutch
from $316.99
(8)
Reman GM A6 Compressor w/ Clutch
AC Compressor Without Clutch
5-Wire Style Relay
from $18.99
This product is not rated
5-Wire Style Relay
AC Relay Connectors

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

Top-rated Cooling and Climate Controls for your Mercedes-Benz 300D based on customer reviews/ratings are:
Ball Bearing
from $22.49
(4)
Ball Bearing
“Great replacement bearing”
Remanufactured GM R4 Heavy Compressor with Clutch
from $244.99
(2)
Remanufactured GM R4 Heavy Compressor with Clutch
“So far so good, Easy to install, It works great, Time will tell. Shipping and service was above average.”
Standard Thermostat: 180 Degrees
from $22.99
(2)
Standard Thermostat: 180 Degrees
“Perfect fit, this is the correct spec. temperature for my 240D. I think the old one was a higher temp. put in by the previous owner. The car is runnin”