2018 Subaru Legacy Engine Cooling Parts

Essential 2018 Subaru Legacy Engine Cooling Parts

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.T2268)

Engine Water Pump: New, Gasket/Seals Included

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$115.99
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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Stant – THERMOSTAT SEAL (Part No.27286)

THERMOSTAT SEAL

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$1.49
THERMOSTAT SEAL

Dorman – Radiator Fan Assembly: Single, Cost Effective And Reliable (Part No.620-820)

Radiator Fan Assembly: Single, Cost Effective And Reliable

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$88.99
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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Carquest Premium – Radiator Cap: 13 PSI (Part No.10327)

Radiator Cap: 13 PSI

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$18.79
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:
  • 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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Imperial – Adjustable Thermostatic Fan Control (Part No.226204)

Adjustable Thermostatic Fan Control

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$55.99
Adjustable Thermostatic Fan Control. 160-210°F; push-in probe. Controls the operating temperature of Imperial electric fans. Operates up to 2 fans.

Product Features:
  • Adjustable thermostatic fan control
  • 160-210°F push-in probe
  • For use with Imperial electric fans
  • Probe installs into radiator fins
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Dorman – Active Grille Shutter With Motor (Part No.601-333)

Active Grille Shutter With Motor

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$221.99
This radiator shutter assembly matches the fit and function of the original equipment shutter to restore function to the vehicle’s active grille shutter system. This assembly features a factory-style connector for a plug-and-play installation.

Product Features:
  • Ideal replacement – this active grille shutter and motor assembly precisely matches the original equipment assembly on specific makes and models.
  • Plug & play installation – this grille shutter assembly is made with a factory-style electrical connector for a trouble-free installation.
  • Cost-effective solution – offers original equipment quality at competitive price
  • Quality tested – this part has undergone extensive testing to ensure a quality fit and reliable performance
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Dorman – Active Grille Shutter With Motor (Part No.601-332)

Active Grille Shutter With Motor

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$165.99
This radiator shutter assembly matches the fit and function of the original equipment shutter to restore function to the vehicle’s active grille shutter system. This assembly features a factory-style connector for a plug-and-play installation.

Product Features:
  • Ideal replacement – this active grille shutter and motor assembly precisely matches the original equipment assembly on specific makes and models.
  • Plug & play installation – this grille shutter assembly is made with a factory-style electrical connector for a trouble-free installation.
  • Cost-effective solution – offers original equipment quality at competitive price
  • Quality tested – this part has undergone extensive testing to ensure a quality fit and reliable performance
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AISIN – Thermostat (Part No.G4000928145ASC)

Thermostat

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$38.82
Thermostats from AISIN are OE manufactured for exact Form, Fit and Function. They contribute to maintaining cooling system performance and are a critical aspect of the cooling system. Thermostats also keep the coolant within the optimal temperature range.

Product Features:
  • OE manufactured for exact Form, Fit and Function
  • Contributes to maintaining cooling system performance
  • Critical aspect of the cooling system
  • Keeps the coolant within the optimal temperature range
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NTC – NTC Thermostat (Part No.G4000382862NTC)

NTC Thermostat

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$34.60
NTC offers a full line of thermostats to replace your original equipment thermostat. This includes a wide variety of temperature ranges all designed to operate within OEM specifications.

Product Features:
  • Strict quality control, and functional testing
  • Self-cleaning and self-aligning thermostat valve
  • Original equipment design provides exact fit and performance
  • Precise sealing edges reduce leakage and premature cooling
  • Temperature sensitive heat motor provides consistent valve response for smooth performance and precise engine cooling
  • Stainless steel assembly and springs are engineered for long life
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Imperial – Electric Fan – 14" Diameter (Part No.226114)

Electric Fan - 14" Diameter

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$99.99
Product Features:
  • Motors built and tested to quality specifications
  • 14 in. universal fit reversible fan
  • 1250 CFM
  • UNIVERSAL fan, NOT a direct OE replacement. Measure core and verify space.
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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

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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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Felpro – Engine Water Pump Gasket (Part No.35747)

Engine Water Pump Gasket

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$6.79
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design
  • Manufactured for the sealing repair environment
  • Validated for fit, form, and function
  • Quality that you can trust
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Nippon Reinz – Water Pump Gasket (Part No.G3040161225NRZ)

Water Pump Gasket

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$5.03
Nippon Reinz engineers work with OEMs to develop complete engine sealing solutions for gasoline, diesel, and alternative energy vehicles. We employ custom sealing solutions through our expert problem solving utilizing our regional research and development centers. As an Integral Partner with Virtually Every major vehicle and engine manufacturer worldwide, Nippon Reinz offers a comprehensive range of sealing Innovative Systems, INCLUDING Head gaskets, Heat shields, sealing modules, secondary gaskets, Valve stem Seals, and transmission components. O-Ring
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Dorman – Engine Coolant Thermostat Housing (Part No.902-5856)

Engine Coolant Thermostat Housing

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$36.49
This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing directly replaces the original housing 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 housings
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Dorman – Coolant Housing/Water Outlet: With Housing and Gasket, 180 Degree Neck Angle (Part No.902-5052)

Coolant Housing/Water Outlet: With Housing and Gasket, 180 Degree Neck Angle

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$36.49
This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing directly replaces the original housing 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 housings
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Carquest Premium – Radiator Cap Tester Adapter (Part No.12021)

Radiator Cap Tester Adapter

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$17.79
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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Carquest Premium – Radiator Cap Tester Adapter (Part No.12024)

Radiator Cap Tester Adapter

from

$16.49
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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NTC – Tama Engine Coolant Temperature Sensor (Part No.C6020169969NTC)

Tama Engine Coolant Temperature Sensor

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$60.32
The NTC-Tama Engine Coolant Temperature Sensor is a high quality Original Equipment replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Premium Original Equipment replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications
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Carquest Premium – Coolant Temperature Sensor with Washer (Part No.WTC1166)

Coolant Temperature Sensor with Washer

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$14.99
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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MAHLE Original – Engine Coolant Outlet Gasket (Part No.C32100)

Engine Coolant Outlet Gasket

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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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Felpro – Multi-Purpose O-Ring (Part No.36024)

Multi-Purpose O-Ring

from

$4.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design
  • Manufactured for the sealing repair environment
  • Validated for fit, form, and function
  • Quality that you can trust
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Koyo Cooling – Radiator (Part No.G1000186613KCS)

Radiator

from

$189.36
Plastic Tank / Aluminum Core Radiator Koyo radiators are available in plastic tank and aluminum core. The Nocolok brazing line keeps the highest quality standards, bringing you superior products you can rely on. The Koyo Cooling radiator has been engineered to the highest standards and incorporates application specific mounting locations for all fan shrouds, inlet-outlet hoses and top-bottom mounting pins, ensuring quick and pain-free installs.

Product Features:
  • All Aluminum Core and Plastic Tank
  • OE Style mounting brackets and hose connections
  • Integrated transmission oil cooler when applicable
  • Compact and lightweight
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Koyo Cooling – Koyo Cooling Radiator (Part No.G1000289214KCS)

Koyo Cooling Radiator

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$236.24
Plastic Tank / Aluminum Core Radiator Koyo radiators are available in plastic tank and aluminum core. The Nocolok brazing line keeps the highest quality standards, bringing you superior products you can rely on. The Koyo Cooling radiator has been engineered to the highest standards and incorporates application specific mounting locations for all fan shrouds, inlet-outlet hoses and top-bottom mounting pins, ensuring quick and pain-free installs.

Product Features:
  • All Aluminum Core and Plastic Tank
  • OE Style mounting brackets and hose connections
  • Integrated transmission oil cooler when applicable
  • Compact and lightweight
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Koyo Cooling – Radiator (Part No.G1000390512KCS)

Radiator

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$205.39
Radiator

Dorman – Non-Pressurized Coolant Reservoir: Clear, Plastic, Original Equipment Replacement (Part No.603-769)

Non-Pressurized Coolant Reservoir: Clear, Plastic, Original Equipment Replacement

from

$71.99
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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Dorman – Coolant Reservoir – Expansion Tank (Part No.G1030291323DOR)

Coolant Reservoir - Expansion Tank

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$61.85
Dorman’s Engine Coolant Recovery Tank is designed for enduring use. It resists the expansion and cracking that extreme temperature fluctuations can cause. Plus, the durable plastic construction prevents coolant fluid loss.

Product Features:
  • Comes with reservoir cap
  • Level sensor included (where applicable)
  • Direct replacement for a proper fit every time
  • Quality tested to ensure trouble-free installation and performance
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2018 Subaru Legacy Engine Cooling Parts

Maybe you’re in the middle of a full rebuild of that 2018 Subaru Legacy. Maybe you just need a couple of Engine Cooling Parts. Either way, Advance Auto Parts has 44 different Engine Cooling Parts in our inventory ranging from $4.49 to $268.99. That means you can find the exact parts or products you need to keep that 2018 Subaru Legacy running smoothly.

Engine Cooling Parts are only as good as their brand. We stock 15 different brands to make sure you have plenty of trusted parts to choose from for your 2018 Subaru Legacy. Permatex, Carquest Premium, and Imperial are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Engine Cooling Parts for your 2018 Subaru Legacy, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 2,879 reviews in this category, some of the top rated parts include Electric Fan – 12" Diameter with 3.5 stars and Electric Fan 16" Diameter with 4.1 stars.

So if you’re in the market for aftermarket Engine Cooling Parts to keep your 2018 Subaru Legacy rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Engine Cooling Parts Brands To Make Your 2018 Subaru Legacy Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2018 Subaru Legacy demands trusted brand parts and products to keep it running. Many trusted brands of Engine Cooling Parts make up Advance Auto Parts’ inventory, and all are ready to help make your Legacy the best it can be. Be sure to browse some of our top Engine Cooling Parts brands and parts.

Popular Motorad Engine Cooling Parts

We carry Motorad parts in our stock across Thermostats categories, plus more. For a 2018 Subaru Legacy, our most popular Motorad Engine Cooling Parts include:
Standard Thermostat: With Seal, 189 Degrees
from $24.99
(1)
Standard Thermostat: With Seal, 189 Degrees
Thermostats

FAQs for 2018 Subaru Legacy Engine Cooling Parts

What are the most purchased Engine Cooling Parts for the 2018 Subaru Legacy?

Out of 44 Engine Cooling Parts for the 2018 Subaru Legacy, the most popular in our inventory are:
Radiator Cap: 16 PSI
from $14.99
(137)
Radiator Cap: 16 PSI
Radiator Caps
Standard Thermostat: 170 Degrees
from $12.49
(27)
Standard Thermostat: 170 Degrees
Thermostats
Adjustable Thermostatic Fan Control
from $22.99
(35)
Adjustable Thermostatic Fan Control
Engine Cooling Fan Controllers

What are the top-rated 2018 Subaru Legacy Engine Cooling Parts?

Top-rated Engine Cooling Parts for your 2018 Subaru Legacy based on customer reviews/ratings are:
Electric Fan - 12" Diameter
from $94.99
(38)
Electric Fan – 12" Diameter
“good”
Electric Fan 16" Diameter
from $92.99
(34)
Electric Fan 16" Diameter
“Awesome”
Adjustable Thermostatic Fan Control
from $55.99
(33)
Adjustable Thermostatic Fan Control
“I used this fan control on my 2006 pt cruiser. It’s simple to install and works great. I’m going to get another one for my 1999 jeep Cherokee.”