2021 Subaru WRX STI Engine Cooling Parts

Essential 2021 Subaru WRX STI Engine Cooling Parts

Imperial – Electric Fan – 14" Diameter (Part No.226114)

Electric Fan - 14" Diameter

from

$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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Felpro – O-RING (Part No.35524)

O-RING

from

$7.79
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 to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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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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Nippon Reinz – Engine Coolant Thermostat Gasket (Part No.G403138696NRZ)

Engine Coolant Thermostat Gasket

from

$3.09
The Nippon Reinz 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 housing 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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Motorad UltraStats – Thermostat: 170 Degrees (Part No.5294-170)

Thermostat: 170 Degrees

from

$19.29
This premium upgraded thermostat is everything you were looking for. UltraStat Thermostats are the toughest thermostats on the market. All heavy gauge stainless steel construction provides long-life durability, as well as complete corrosion resistance. Exclusive BLVT Valve technology minimizes thermal shock to cooling system components. This is the perfect upgrade to help insure your cooling system is working exactly as you need and expect it to for longevity.

Product Features:
  • Heavy gauge stainless steel components offer increased reliability and long-lasting durability
  • Exclusive BLVT Valve Technology minimizes thermal shock to cooling system components
  • Stainless steel thermal element for unmatched corrosion resistance and revolutionary REAX wax mixture provides quicker reaction time
  • AccuSpring Design for stable temperature control and increased cabin comfort
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Beck/Arnley – Thermostat (Part No.143-0710)

Thermostat

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$34.49
Temperature-controlled valve located in the hot leg between the engine and radiator. Often mounted on the cylinder head. Controls the flow of coolant through the radiator and regulates heat dissipation. The thermostat allows the engine to reach its operating temperature as quickly as possible to reduce oil dilution, cylinder bore wear, fuel consumption, exhaust emissions and improve the efficiency of the heating system. Self-cleaning design. Includes a long stroke for maximum cooling performance..
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Dorman – Help – Radiator Cap (Part No.54237)

Radiator Cap

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$22.99
This radiator cap is designed to match the fit and function of the original cap on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this radiator cap is designed to match the fit and function of the original cap on specified vehicles
  • Restores functionality – reliable replacement for an original cap that is missing, leaking or failed due to gasket fatigue and heat
  • 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 Housing/Water Outlet: Gasket Included (Part No.85305)

Coolant Housing/Water Outlet: Gasket Included

from

$56.99
We are proud to offer this CARQUEST product line: CARQUEST Water Outlets. Our products are engineered and tested to provide years of trouble free operation and designed to be hassle free OE replacement part that meets and/or exceeds OE standards. Backed by over 50 years of mobile temperature control experience, fix it once and fix it right with CARQUST Water Outlets and Thermostat Housings.

Product Features:
  • Meets and/or exceeds OEM standard
  • Includes quality gasket or O-ring to ensure proper seal (where applicable)
  • Coated with corrosion and rust inhibitor
  • 100% leak tested
  • Direct-fit replacement for ease of installation
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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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NPW – Water Pump (Part No.G3000161186NPW)

Water Pump

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$94.71
The NPW water pump is a 100% new replacement and contains no remanufactured components, assuring original equipment performance, quality and fit.

Product Features:
  • OE-Equivalent and direct fit application.
  • 100% new with no remanufactured parts.
  • Advanced impeller design.
  • Quality cast housing.
  • Precision bearings.
  • Resistant to corrosion.
  • Unitized bearing assembly.
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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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Permatex – The Right Stuff Grey Instant Gasket Maker, 147ml Cartridge (Part No.34311)

The Right Stuff Grey Instant Gasket Maker, 147ml Cartridge

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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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Ishino – Water Pump Gasket (Part No.G3040161189ISH)

Water Pump Gasket

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$2.22
Water Pump Gasket

Victor Reinz – Engine Water Pump Gasket (Part No.71-11102-00)

Engine Water Pump Gasket

from

$8.29
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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Felpro – Engine Water Pump Gasket (Part No.35747)

Engine Water Pump Gasket

from

$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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Imperial – Electric Fan – 12" Diameter (Part No.226112)

Electric Fan - 12" Diameter

from

$94.99
Electric fan with 12″ diameter. Imperial electric fans are reversible for push or pull operation and are designed with a thin, aerodynamic profile for applications with limited space.

Product Features:
  • Rapid-Cool® Thin-Line electric fans
  • 12″ Diameter
  • 800 CFM
  • Use as a pusher or puller fan
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Carquest Premium – Coolant Temperature Sensor (Part No.WTC1315)

Coolant Temperature Sensor

from

$13.99
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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Carquest Premium – Engine Cooling Fan Module (Part No.ACC1313)

Engine Cooling Fan Module

from

$94.99
All modern vehicles consist of several independent operating systems controlled by a main system processor with independent sub-processors. The sub-processors provide class 2 serial information data to the main processor while handling the operation of the system and carry the circuit load to protect the main operating system. When replacing any level processor programming may be needed to enter the unit into the vehicles main operating system.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
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Imperial – Adjustable Thermostatic Fan Control (Part No.226204)

Adjustable Thermostatic Fan Control

from

$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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Imperial – Thermostatic Fan Control – Preset (Part No.226206)

Thermostatic Fan Control - Preset

from

$38.49
Controls the operating temperature of Imperial electric fans. Operates up to 2 fans.

Product Features:
  • Preset thermostatic fan control
  • 185°F preset
  • For use with Imperial electric fans
  • Probe installs into radiator fins
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Imperial – Adjustable Thermostatic Fan Control (Part No.226203)

Adjustable Thermostatic Fan Control

from

$22.99
Adjustable Thermostatic Fan Control; Economy Model; 32-248°F. Controls the operating temperature of Imperial electric fans

Product Features:
  • Economy adjustable thermostatic fan control
  • Economy Model; 32-248°F
  • For use with Imperial electric fans
  • Probe installs into radiator fins
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Imperial – Thermostatic Fan Control – Adjustable (Part No.226208)

Thermostatic Fan Control - Adjustable

from

$62.99
Controls the operating temperature of Imperial electric fans. Operates up to 2 fans.

Product Features:
  • Adjustable thermostatic fan control
  • 160°F – 210°F thread-in probe
  • For use with Imperial electric fans
  • Thread-in probe for installation in water jacket or radiator
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2021 Subaru WRX STI Engine Cooling Parts

Maybe you’re in the middle of a full rebuild of that 2021 Subaru WRX STI. Maybe you just need a couple of Engine Cooling Parts. Either way, Advance Auto Parts has 20 different Engine Cooling Parts in our inventory ranging from $3.09 to $139.99. That means you can find the exact parts or products you need to keep that 2021 Subaru WRX STI running smoothly.

Engine Cooling Parts are only as good as their brand. We stock 9 different brands to make sure you have plenty of trusted parts to choose from for your 2021 Subaru WRX STI. Imperial, Carquest Premium, and Felpro 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 2021 Subaru WRX STI, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 372 reviews in this category, some of the top rated parts include Thermostat with 4.3 stars and Thermostatic Fan Control – Adjustable with 2.5 stars.

So if you’re in the market for aftermarket Engine Cooling Parts to keep your 2021 Subaru WRX STI 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 2021 Subaru WRX STI Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2021 Subaru WRX STI 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 WRX STI the best it can be. Be sure to browse some of our top Engine Cooling Parts brands and parts.

Popular Felpro Engine Cooling Parts

We carry Felpro parts in our stock across Water Pump Gaskets and Engine Coolant Pipe O-Rings categories, plus more. For a 2021 Subaru WRX STI, our most popular Felpro Engine Cooling Parts include:
Engine Water Pump Gasket
from $6.79
(2)
Engine Water Pump Gasket
Water Pump Gaskets
O-RING
from $7.79
(7)
O-RING
Engine Coolant Pipe O-Rings

FAQs for 2021 Subaru WRX STI Engine Cooling Parts

What are the most purchased Engine Cooling Parts for the 2021 Subaru WRX STI?

Out of 20 Engine Cooling Parts for the 2021 Subaru WRX STI, the most popular in our inventory are:
Standard Thermostat: 170 Degrees
from $12.49
(27)
Standard Thermostat: 170 Degrees
Thermostats
Electric Fan - 14" Diameter
from $99.99
(14)
Electric Fan – 14" Diameter
Engine Cooling Fans
Thermostatic Fan Control - Preset
from $38.49
(8)
Thermostatic Fan Control – Preset
Engine Cooling Fan Controllers

What are the top-rated 2021 Subaru WRX STI Engine Cooling Parts?

Top-rated Engine Cooling Parts for your 2021 Subaru WRX STI based on customer reviews/ratings are:
Thermostat
from $11.99
(20)
Thermostat
“Works fine for 1000 miles so far”
Thermostatic Fan Control - Adjustable
from $62.99
(2)
Thermostatic Fan Control – Adjustable
“Need to find brass bushings to fit sensor to intake.Very easy to install!”