Mercedes-Benz 300CD Engine Cooling Parts

Your One-Stop Shop For Trusted Mercedes-Benz 300CD Engine Cooling Parts

If you’re in search of Mercedes-Benz 300CD Engine Cooling Parts aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 33 Engine Cooling Parts from top brands with prices ranging from $1.61 to $347.99.

Beyond great prices, we stock trusted brands manufacturing all types of Engine Cooling Parts for your Mercedes-Benz 300CD. Of the 20 OEM and aftermarket parts brands we carry, some of the most popular are Permatex, Carquest Premium, and Mr. Gasket.

And don’t forget to read customer reviews across all Engine Cooling Parts categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Engine Cooling Parts have to cost top dollar, and we prove it. Browse our top Mercedes-Benz 300CD Engine Cooling Parts below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential Mercedes-Benz 300CD Engine Cooling Parts

Programa – Temperature Control Regulator (Part No.R202849489PRO)

Temperature Control Regulator

from

$278.58
Temperature Control Regulator

CRP – Thermostat O-Ring (Part No.G403032487)

Thermostat O-Ring

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$2.29
Thermostat O-Ring

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

Rivet, Plastic Spread Rivet

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$1.61
Rivet, Plastic Spread Rivet

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

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

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

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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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Mahle – Engine Coolant Thermostat (Part No.G400021351MAH)

Engine Coolant Thermostat

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$30.85
Intelligent control systems from MAHLE are used in millions of applications worldwide to provide needs-based precision temperature control. Simple, effective, and tried and tested millions of times over: thermostat inserts from MAHLE provide meticulous regulation of coolant circuits around the world up to approximately 20 m3/h, and ensure ideal operating temperatures in light vehicles, trucks, stationary engines, and also agricultural and construction machinery. Wax elements are at the heart of all MAHLE thermostats and thermostat inserts. These maintenance-free, durable elements have proved their worth in millions of applications. MAHLE, Manufactures a wide range of variants with actuating forces of between 30 N and 2,500 N, small or large displacements, and for a large number of regulation ranges within a temperature span of -20C to +130C.

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

Radiator Cap Tester Adapter

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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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MTC – MTC, Auxiliary Water Pump, NLA 1.19 (Part No.G305011908MTC)

MTC, Auxiliary Water Pump, NLA 1.19

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$140.16
Built to meet the latest OE manufacturer-specified designs, MTC Auxiliary Water Pumps are the best way to make sure you have the proper heat protection for the engine in your vehicle. 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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Beck/Arnley – Thermal Fan Switch (Part No.201-1314)

Thermal Fan Switch

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$31.49
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
  • Made to exact resistance for this specific application
  • High quality construction for durability
  • Constructed to withstand an engine environment
  • Application specific for this vehicle
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Febi – Rivet (Part No.Q20011324407FEB)

Rivet

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$2.02
Rivet

Behr – Radiator Drain Plug (Part No.G106011756BEH)

Radiator Drain Plug

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$11.16
Radiator Drain Plug

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

Universal Reverse Rotation Thermal Standard Duty Fan Clutch

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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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APA/URO Parts – Engine Cooling Fan Clutch (Part No.G501011690APA)

Engine Cooling Fan Clutch

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$156.29
The APA/URO Engine Cooling Fan Clutch is an ideal high quality aftermarket replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Premium aftermarket replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications
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Permatex – Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ (Part No.22071)

Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ

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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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Carquest Premium – Engine Water Pump: New, Gasket/Seals Included (Part No.T1075)

Engine Water Pump: New, Gasket/Seals Included

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$48.49
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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Geba – Water Pump (Part No.G3000948542GEB)

Water Pump

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$65.12
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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Nissens – Radiator (Part No.G100016618NSS)

Radiator

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$321.15
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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Carquest Premium – Radiator Cap: 13 PSI (Part No.10329)

Radiator Cap: 13 PSI

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$10.49
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:
  • 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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Mr. Gasket – Thermocap Radiator Cap (Part No.2470R)

Thermocap Radiator Cap

from

$48.09
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 – Radiator Cap: 13 PSI (Part No.10229)

Radiator Cap: 13 PSI

from

$9.79
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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Mr. Gasket – Thermocap Radiator Cap (Part No.2470B)

Thermocap Radiator Cap

from

$47.19
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
See More

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

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

from

$26.99
Permatex Ultra Grey is specified for high torque and high vibration applications. Ultra Grey offers a sensor-safe, low odor, non-corrosive formula and is OEM specified to fit dealership warranty requirements. This high performance gasket maker meets performance specs of OE silicone gaskets and can be used on high torque and vibration applications such as valve covers, water pump, intake manifold end seals ad thermostat housings.

Product Features:
  • High torque and rigidity
  • Sensor-safe, non-corrosive formula
  • OEM specified
  • Low-odor, non-corrosive formula
  • Ideal for closed spaced bolt patterns
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Beck/Arnley – Water Pump Gasket (Part No.039-4025)

Water Pump Gasket

from

$9.29
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
  • Contains all seals and gaskets needed for a complete water pump installation
  • Made from premium materials for durability
  • Packaged in clear plastic for easy visibility and identification of all components
  • Application specific for this vehicle
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Engine Cooling Parts Brands You Can Trust For Your Mercedes-Benz 300CD

20 trusted brands of Engine Cooling Parts line our shelves, ready to help keep your Mercedes-Benz 300CD running smooth. Below are some of the most popular brands and their top Engine Cooling Parts offerings:

Most Purchased Mercedes-Benz 300CD Engine Cooling Parts from Permatex

When you buy the most frequently purchased Permatex brand Engine Cooling Parts, you can be confident it will be the right part for your Mercedes-Benz 300CD. Here are the Permatex Engine Cooling Parts Advanced Auto customers buy the most:
Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ
from $6.99
(288)
Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ
Water Pump Housing Gaskets
Radiator Cap: 13 PSI
from $9.79
(51)
Radiator Cap: 13 PSI
Radiator Caps

FAQs for Mercedes-Benz 300CD Engine Cooling Parts

What are the most purchased Engine Cooling Parts for the Mercedes-Benz 300CD?

Out of 33 Engine Cooling Parts for the Mercedes-Benz 300CD, the most popular in our inventory are:
Radiator Cap: 13 PSI
from $9.79
(51)
Radiator Cap: 13 PSI
Radiator Caps
Radiator Cap: 13 PSI
from $10.49
(48)
Radiator Cap: 13 PSI
Radiator Caps
Standard Thermostat: 180 Degrees
from $22.99
(2)
Standard Thermostat: 180 Degrees
Thermostats