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$193.99

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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$6.99

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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$513.99

This engine cooling fan assembly is precision-engineered to match the fit and performance of the stock radiator fan on specific vehicle years, makes and models. It has been rigorously tested to ensure it cools as effectively as the original part.

Product Features:

Ideal replacement – this engine cooling fan assembly was precision-engineered to match the fit and performance of the stock radiator fan assembly on specific vehicles
Complete package – assembly is designed with the same materials and components as the original part
Quality assured – motors are tested in laboratory settings to ensure performance
Cost effective and reliable – trustworthy manufacturing for far less than same part at the dealership

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$3.99

MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:

All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
MAHLE gaskets is the leader in Domestic, Asian and European applications
The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package

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$246.99

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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$11.49

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

Product Features:

High torque and rigidity
Sensor-safe, non-corrosive formula
OEM specified
Low-odor, non-corrosive formula
Ideal for closed spaced bolt patterns

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$19.79

Manufactured to meet all OEM specifications. Designed to be easy to install and remove. Manufactured from high quality components with proper relief and vacuum valves. Quality tested to stand up to even the most demanding automotive cooling systems.

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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$28.49

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

Product Features:

Ideal for rigid cast aluminum parts
Meets OEM Specifications
Sensor safe & non-corrosive
Performs under higher torque loads associated with engines having closely spaced bolt patterns (typical of import vehicles)
Blowout resistant, allowing leakproof gaskets to be made in just one minute
Seals instantly, forming a reliable, long lasting elastomeric rubber gasket
Superior resistance to powertrain fluids including engine oil, transmission fluid, gear lube and coolants
Temperature range -60°C to 260°C (-75°F to 500°F) intermittent
Applications: Automotive, industrial and marine gaskets, valve covers, gearbox covers, pumps, compressors, oil pans, thermostat housings, water pumps, etc.

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$9.02

Water Pump Gasket

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$19.99

Anti-vibration parts dampen vibration harmonics from the engine and drive line components to rest of the vehicle. This in turn reduces vibration and noise which can be felt and heard while the vehicle is in operation. Rein Automotive anti-vibration parts are application specific and match the design and function of the OE parts.

Product Features:

Rubber components match the shore hardness of the original equipment bushing to ensure maximum performance and product longevity.
Part has a high corrosion resistance for maximum life.
Produced with high quality materials to ensure maximum life and a smooth ride.
Made by the OE manufacturer.

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$192.66

Water Pump

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$211.99

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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$19.99

New Standard Replacement Radiator Support Upper Tie Bar, Coupe And Sedan, Made Of High Strength Steel

Product Features:

Coupe And Sedan, Made Of High Strength Steel
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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$61.99

This replacement engine coolant reservoir is manufactured from quality materials to withstand the stresses of underhood heat and engine vibration. It is engineered and manufactured to match the fit and function of the original part.

Product Features:

Direct replacement – this engine coolant reservoir matches the fit and function of the original part
Ideal solution – engineered for a seamless installation
Durable construction – manufactured from quality materials to withstand underhood heat and vibration
Trustworthy design – backed by 100 years of automotive aftermarket experience

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$54.53

The Behr 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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$54.99

Rein Automotive OE quality expansion tanks, install, fit and perform the way the original manufacturer intended. These tanks are designed to match or exceed the OE materials used and are produced from virgin plastic with no regrind to prevent cracking from heat cycles and ensure the plastic is durable and will have a long service life.

Product Features:

Produced from virgin plastic meeting/exceeding OE specifications and ensuring long life
Resistant to cracking and wear from heat cycles preventing coolant loss
Direct fitment allows easy installation
Manufactured to strict engineering standards/specifications in materials and tolerances

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$5.70

The Elring Engine Coolant Thermostat Gasket is a high quality Original Equipment replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:

Seals the thermostat and helps prevent coolant from leaking from the engine for proper engine temperature
Premium Original Equipment replacement
Provides performance and dependability
Manufactured to meet OE specifications

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$18.99

With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.

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$213.99

Manufactured with OEM quality materials and safety standards by an OE Supplier. This integrated thermostat housing 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 as well as the design and function of the housing. 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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$222.99

Manufactured with OEM quality materials and safety standards by an OE Supplier. This integrated thermostat housing 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 as well as the design and function of the housing. 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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$422.99

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

Product Features:

Ideal replacement – this engine coolant thermostat housing assembly directly replaces the original water outlet on specified vehicle years, makes and models
Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
Industry-leading design – professionally engineered by the aftermarket leader in replacement thermostat housing assemblies

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$19.99

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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$123.37

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

2009 Mercedes-Benz C300 Engine Cooling Parts

More 2009 Mercedes-Benz C300 Engine Cooling Parts

Essential 2009 Mercedes-Benz C300 Engine Cooling Parts

Dorman – Auxiliary Coolant Pump (Part No.902-065)

Permatex – Sensor-Safe, High Torque RTV Silicone Gasket Maker (Part No.22074)

Dorman – Radiator Fan Assembly: Single, With Controller, Cost Effective And Reliable (Part No.621-373)

MAHLE Original – Thermostat Housing Gasket (Part No.C31967)

Carquest Premium – Radiator: With Transmission Oil Cooler (Part No.813162)

Permatex – Sensor-Safe, High-Torque RTV Silicone Gasket Maker (Part No.82194)

Carquest Premium – Engine Coolant Reservoir Cap (Part No.10253)

Permatex – The Right Stuff Grey Instant Gasket Maker, 147ml Cartridge (Part No.34311)

Elring – Water Pump Gasket (Part No.G3040275727ELR)

Rein – Radiator Mount (Part No.AVM0699)

Geba – Water Pump (Part No.G30002503678GEB)

Carquest Premium – Engine Water Pump: New, Gasket/Seals Included (Part No.T3128)

KAI – Radiator Support Tie Bar (Part No.MB1225148)

Dorman – Pressurized Coolant Reservoir: Black And Clear, Plastic, Original Equipment Replacement (Part No.603-257)

Behr – Behr Expansion Tank (Part No.G1030461987BEH)

Rein – Expansion Tank (Part No.EPT0029)

Elring – Engine Coolant Thermostat Gasket (Part No.G40311452222ELR)

Victor Reinz – Engine Coolant Thermostat Gasket (Part No.41-76159-00)

Motorad – Integrated Thermostat Housing: With Sensor, Spring Clip, Seal, 207 Degrees (Part No.1015-207)

Motorad – Integrated Thermostat Housing: With Sensor, With Seal, 217 Degrees (Part No.785-217)

Dorman – Thermostat Assembly: Includes Housing, Sensor, and O-Ring, 217 Degrees (Part No.902-5844)

Carquest Premium – Coolant Temperature Sensor with O-Ring and Install Clip (Part No.WTC1122)

Mahle – Thermostat (Part No.G4000438050MAH)

Popular 2009 Mercedes-Benz C300 Engine Cooling Parts Categories

2009 Mercedes-Benz C300 Engine Cooling Parts

Engine Cooling Parts Brands To Make Your 2009 Mercedes-Benz C300 Last

Popular Carquest Premium Engine Cooling Parts

Top 2009 Mercedes-Benz C300 Engine Cooling Parts from Permatex

FAQs for 2009 Mercedes-Benz C300 Engine Cooling Parts

What are the most purchased Engine Cooling Parts for the 2009 Mercedes-Benz C300?