Mercedes-Benz 300SD Engine Cooling Parts

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

If you’re in search of Mercedes-Benz 300SD Engine Cooling Parts aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 57 Engine Cooling Parts from top brands with prices ranging from $1.61 to $769.99.

Beyond great prices, we stock trusted brands manufacturing all types of Engine Cooling Parts for your Mercedes-Benz 300SD. Of the 23 OEM and aftermarket parts brands we carry, some of the most popular are Permatex, Carquest Premium, and Mahle.

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 300SD 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 300SD Engine Cooling Parts

Carquest Premium – Radiator Cap: 16 PSI (Part No.10226)

Radiator Cap: 16 PSI

from

$9.99
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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Flex A Lite – Black Magic Electric Fan (Part No.160)

Black Magic Electric Fan

from

$347.99
Black Magic Electric Fan

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

Cap-Expansion Tank

from

$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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Calorstat – Thermostat (Part No.G400021351CAL)

Thermostat

from

$27.93
CALORSTAT thermostatic components (bellows thermostats for water temperature regulation), followed by the use of a different technology based on the wax expansion. CALORSTAT by Vernet has produced thermostatic elements for more than 50 years. A vast amount of experience and continuous development has enabled the Company to remain the world leader in this field. Throughout the world, Vernet is regarded as a valued partner by manufacturers, large and small, in the Sanitary, Heating and Automotive industry.

Product Features:
  • Comfort enhancement by a faster cabine warming
  • CO2 emissions and fuel consumption reduction
  • Thermostat opening driven by the ECU (electrical thermostat)
  • An adaptation of the control strategies to the vehicle use (electrical thermostat)
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Permatex – The Right Stuff: Grey, 1 Minute Gasket Maker, 10 OZ (Part No.34310)

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

from

$38.99
Permatex’s The Right Stuff 1 Minute Series offers the fastest return to service in just 1 minute! This leak-proof, elastomeric “Formed-in-place” material is more reliable and longer lasting than pre-cut gaskets. It is blowout resistant and protects against leaks and seepage caused by vibration and thermal expansion. The Right Stuff 1 Minute Grey is specified for high torque and high vibration applications and is formulated to meet or exceed performance standards for long-term sealability, durability and handling.

Product Features:
  • Designed to perform under higher torque loads associated with engines having closely spaced bolt patterns
  • Sensor-safe, non-corrosive, RTV silicone
  • Protects against leaks caused by vibration and thermal expansion
  • Meets performance specs of OE silicone gaskets
  • Quickly returns vehicle to service in just 1 minute
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MTC – MTC, Auxiliary Water Pump, NLA 1.19 (Part No.G305011908MTC)

MTC, Auxiliary Water Pump, NLA 1.19

from

$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

from

$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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Geba – Water Pump (Part No.G3000948542GEB)

Water Pump

from

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

Coolant Temperature Sensor

from

$25.99
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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APA/URO – APA/URO Expansion Tank (Part No.G103016617APA)

APA/URO Expansion Tank

from

$42.41
The APA/URO expansion tank is made of the highest quality materials and is engineered to meet or exceed the OEM specifications for performance, fit and durability.

Product Features:
  • OE-Equivalent and Direct Fit for easy Installation.
  • OE style connections and fittings.
  • Made of highly durable materials.
  • Resistant to thermal wear and cracking.
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Behr – Hella Service Visco® Engine Cooling Fan clutch (Part No.G501081391BEH)

Hella Service Visco® Engine Cooling Fan clutch

from

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

Coolant Level Sensor

from

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

Radiator Cap Tester Adapter

from

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

Product Features:
  • Machined metal construction
  • Works with MT-300 pressure tester
  • Tests coolant caps
  • Professional quality
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Permatex – Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ (Part No.22071)

Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ

from

$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 – Radiator: With Transmission Oil Cooler (Part No.431303)

Radiator: With Transmission Oil Cooler

from

$219.99
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 engineered with integrated ribbing for added strength 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
  • Oil cooler designs meet or exceed OE standards, keeping the vehicle’s engine and transmission performing at optimal conditions
  • OEM grade, premium fittings for transmission or engine oil coolers (where applicable)
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Mahle – A/C ACC Temp Sensor (Part No.R107526553MAH)

A/C ACC Temp Sensor

from

$46.66
A/C ACC Temp Sensor

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

Rivet, Plastic Spread Rivet

from

$1.61
Rivet, Plastic Spread Rivet

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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Carquest Premium – Daytime Running Light Relay (Part No.RLC1001)

Daytime Running Light Relay

from

$59.99
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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Behr – Radiator Drain Plug (Part No.G106034117BEH)

Radiator Drain Plug

from

$8.14
Radiator Drain Plug

Behr – Radiator Drain Plug (Part No.G106011756BEH)

Radiator Drain Plug

from

$11.16
Radiator Drain Plug

Febi – Rivet (Part No.Q20011324407FEB)

Rivet

from

$2.02
Rivet

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

Radiator Cap: 20 PSI

from

$8.79
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.

Product Features:
  • Maintains proper cooling system pressure
  • Easy installation and removal
  • 100% tested to ensure proper pressure and longevity
  • Meets all OEM specifications
See More

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

Radiator Cap: 13 PSI

from

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

Radiator Cap: 20 PSI

from

$9.49
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
See More

Engine Cooling Parts Brands You Can Trust For Your Mercedes-Benz 300SD

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

Most Purchased Mercedes-Benz 300SD 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 300SD. 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: 16 PSI
from $9.79
(103)
Radiator Cap: 16 PSI
Engine Coolant Thermostat Housing Caps
Radiator Cap: 16 PSI
from $13.49
(65)
Radiator Cap: 16 PSI
Engine Coolant Thermostat Housing Caps

FAQs for Mercedes-Benz 300SD Engine Cooling Parts

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

Out of 57 Engine Cooling Parts for the Mercedes-Benz 300SD, the most popular in our inventory are:
Radiator Cap: 16 PSI
from $9.79
(103)
Radiator Cap: 16 PSI
Engine Coolant Thermostat Housing Caps
Radiator Cap: 16 PSI
from $13.49
(65)
Radiator Cap: 16 PSI
Engine Coolant Thermostat Housing Caps
Radiator Cap: 13 PSI
from $9.79
(51)
Radiator Cap: 13 PSI
Radiator Caps

What are the top-rated Mercedes-Benz 300SD Engine Cooling Parts?

Top-rated Engine Cooling Parts for your Mercedes-Benz 300SD based on customer reviews/ratings are:
Radiator Cap: 13 PSI
from $10.49
(48)
Radiator Cap: 13 PSI
“Like the vent feature.”
Radiator Cap: 20 PSI
from $8.79
(16)
Radiator Cap: 20 PSI
“Purchased radiator offline and this cap worked perfect on it.”
Radiator Cap: 20 PSI
from $9.49
(3)
Radiator Cap: 20 PSI
“Great”