2021 Honda Civic Engine Cooling Parts

Essential 2021 Honda Civic Engine Cooling Parts

Carquest Premium – Radiator: With Transmission Oil Cooler (Part No.431480)

Radiator: With Transmission Oil Cooler

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$159.99
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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CSF – OE Quality Radiator (Part No.G1000838434CSF)

OE Quality Radiator

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$141.73
Plastic Tank / Aluminum Core Radiator CSF prides itself on using the most advanced technologies, machines, and experienced personnel to design, develop, and manufacture the world’s best cooling systems. With three privately owned, ISO certified manufacturing facilities that supply to local OE brands, CSF houses the industry’s best manufacturing equipment. CSF’s world class facilities manufacture the highest quality cooling system products available. Thanks to our cutting edge capabilities, we are able to produce the strongest and most complicated components with ease. CSF leads the industry in multi-fit models, which provides customers with additional application coverage, while reducing inventory. All CSF radiators undergo a rigorous testing process in our state-of-the-art testing lab. Our procedures and requirements set the bar for cooling system reliability and performance:

Product Features:
  • Individually leak tested
  • Vibration cycle tested
  • Thermal cycle tested
  • Wind tunnel tested for optimal radiator core cooling efficiency
  • Burst pressure and impulse cycle tested for strength
  • Salt spray tested for corrosion protection
  • 10 foot box “drop test” to ensure packaging protection
  • 30 point fitment inspection on critical dimensions to ensure OE fitment with no modifications necessary
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AISIN – Water Pump (Part No.G3000438893ASC)

Water Pump

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$136.83
The AISIN Water Pump contains no remanufactured parts and provides optimal cooling without creating excess load to the engine. The highest quality materials are used, creating stronger body design and resistance to corrosion.

Product Features:
  • OE-Equivalent and direct fit application.
  • 100% new with no remanufactured parts.
  • Advanced technological design.
  • Carbon ceramic sealing.
  • Resistant to corrosion.
  • Optimum cooling performance and longevity.
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NPW – Water Pump (Part No.G300052787NPW)

Water Pump

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$50.31
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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Dorman – Thermostat Assembly: Includes Thermostat housing and Gasket, 172 Degrees (Part No.902-5131)

Thermostat Assembly: Includes Thermostat housing and Gasket, 172 Degrees

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$52.99
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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Motorad – Thermostat Kit-170 Degrees w/ Seal (Part No.5113KT)

Thermostat Kit-170 Degrees w/ Seal

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$28.49
Manufactured with OEM quality materials and safety standards by an OE Supplier. 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. 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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Felpro – Engine Coolant Thermostat Housing Gasket (Part No.35739)

Engine Coolant Thermostat Housing Gasket

from

$3.79
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
  • Validated for fit, form, and function
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Felpro – Engine Coolant Thermostat Housing Gasket (Part No.35480)

Engine Coolant Thermostat Housing 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 to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Victor Reinz – Engine Coolant Pipe O-Ring (Part No.41-76345-00)

Engine Coolant Pipe O-Ring

from

$3.49
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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Ishino Stone – Water Pump Hsng O-Ri (Part No.G3032120454ISH)

Water Pump Hsng O-Ri

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$4.59
Water Pump Hsng O-Ri

Delphi – Engine Coolant Temperature Sensor (Part No.TS10288)

Engine Coolant Temperature Sensor

from

$47.99
Delphi temperature sensors are built with the latest OE technology; Delphi temperature sensors use durable, one-piece design; Delphi temperature sensors are impervious to electrical noise and interference.

Product Features:
  • Delphi temperature sensors deliver accurate readings and optimal performance
  • Delphi’s one-piece design and automated production process eliminates internal connectors and failure points
  • Each sensor is electrically insulated to eliminate interference from other components in the vehicle
  • Delphi temperature sensors are impervious to electrical noise and interference
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Carquest Premium – Coolant Temperature Sensor with O-Ring (Part No.WTC1203)

Coolant Temperature Sensor with O-Ring

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$38.99
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 – 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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Dorman – Expansion Tank Cap (Part No.G1040691080DOR)

Expansion Tank Cap

from

$12.28
Dorman offers a variety of Engine Coolant Recovery Tank Caps for a range of applications. All Dorman Engine Coolant Recovery Tank Caps are constructed of high-quality plastic. They effectively protect the cooling system by providing a tight seal against the elements.

Product Features:
  • Save time, money and labor by replacing only the Cap – instead of the entire Engine Coolant Recovery Tank
  • Direct replacement for a proper fit every time
  • A necessary safety item – prevents coolant from splashing and/or leaking
  • Available in diverse styles, including screw-on and snap-on
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Carquest Premium – Radiator Cap: 16 PSI (Part No.10333)

Radiator Cap: 16 PSI

from

$21.99
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:
  • 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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Dorman – Pressurized Coolant Reservoir (Part No.603-882)

Pressurized Coolant Reservoir

from

$97.99
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 – OE Solutions Coolant Reservoir – Expansion Tank (Part No.G1030291016DOR)

OE Solutions Coolant Reservoir - Expansion Tank

from

$71.61
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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Carquest Premium – Radiator Fan Assembly: 75641, Single, With Original Equipment Connector (Part No.75641)

Radiator Fan Assembly: 75641, Single, With Original Equipment Connector

from

$124.99
Product Features:
  • Motors built and tested to OE specifications
  • Made in ISO certified facilities
  • Out of box installation
  • Wide selection of early/late model applications for domestic and import vehicles
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Dorman – Radiator Fan Assembly: Single, Cost Effective And Reliable (Part No.620-204)

Radiator Fan Assembly: Single, Cost Effective And Reliable

from

$67.99
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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Dorman – Engine Coolant Thermostat Housing Cover (Part No.G4011121424DOR)

Engine Coolant Thermostat Housing Cover

from

$20.42
Dorman’s Engine Coolant Thermostat Housing has improved durability and resistance. It withstands the extreme changes in temperature that frequently cause housing to become brittle, crack and leak. Maintain the steady flow of coolant and lessen the chances of overheating.

Product Features:
  • Direct replacement for a proper fit every time
  • Hoses slide on for easy installation
  • High-quality plastic or metal construction
  • Includes all hardware necessary for a complete repair (where applicable)
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Dorman – Engine Coolant Thermostat Housing Cover (Part No.G4011120971DOR)

Engine Coolant Thermostat Housing Cover

from

$17.32
Dorman’s Engine Coolant Thermostat Housing has improved durability and resistance. It withstands the extreme changes in temperature that frequently cause housing to become brittle, crack and leak. Maintain the steady flow of coolant and lessen the chances of overheating.

Product Features:
  • Direct replacement for a proper fit every time
  • Hoses slide on for easy installation
  • High-quality plastic or metal construction
  • Includes all hardware necessary for a complete repair (where applicable)
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Dorman – Engine Coolant Thermostat Housing Cover (Part No.G4011121009DOR)

Engine Coolant Thermostat Housing Cover

from

$21.77
Dorman’s Engine Coolant Thermostat Housing has improved durability and resistance. It withstands the extreme changes in temperature that frequently cause housing to become brittle, crack and leak. Maintain the steady flow of coolant and lessen the chances of overheating.

Product Features:
  • Direct replacement for a proper fit every time
  • Hoses slide on for easy installation
  • High-quality plastic or metal construction
  • Includes all hardware necessary for a complete repair (where applicable)
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AISIN – Thermostat (Part No.G4000134935ASC)

Thermostat

from

$78.20
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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Motorad – Standard Thermostat: 170 Degrees (Part No.242-170)

Standard Thermostat: 170 Degrees

from

$12.49
Manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat 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. 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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Carquest Premium – Standard Thermostat: 180 Degrees (Part No.13868)

Standard Thermostat: 180 Degrees

from

$10.49
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat 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. 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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NOK – Water Pipe O-Ring (Part No.G202665192NOK)

Water Pipe O-Ring

from

$2.74
Water Pipe O-Ring

2021 Honda Civic Engine Cooling Parts

Maybe you’re in the middle of a full rebuild of that 2021 Honda Civic. Maybe you just need a couple of Engine Cooling Parts. Either way, Advance Auto Parts has 22 different Engine Cooling Parts in our inventory ranging from $1.90 to $562.99. That means you can find the exact parts or products you need to keep that 2021 Honda Civic running smoothly.

Engine Cooling Parts are only as good as their brand. We stock 11 different brands to make sure you have plenty of trusted parts to choose from for your 2021 Honda Civic. Carquest Premium, Motorad, 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 Honda Civic, but don’t take our word for it – read our customer ratings and reviews and buy with confidence.

So if you’re in the market for aftermarket Engine Cooling Parts to keep your 2021 Honda Civic 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 Honda Civic Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2021 Honda Civic 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 Civic 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 Thermostat and Water Outlet Gaskets categories, plus more. For a 2021 Honda Civic, our most popular Felpro Engine Cooling Parts include:
THERMOSTAT GASKET
from $4.29
(1)
THERMOSTAT GASKET
Thermostat and Water Outlet Gaskets

Top 2021 Honda Civic Engine Cooling Parts from Carquest Premium

Carquest Premium products are another trusted brand when it comes to Engine Cooling Parts for your 2021 Honda Civic. Popular Carquest Premium parts include:
Radiator Cap: 16 PSI
from $13.99
(193)
Radiator Cap: 16 PSI
Engine Coolant Thermostat Housing Caps
Radiator Cap: 16 PSI
from $21.99
(41)
Radiator Cap: 16 PSI
Coolant Reservoir Caps

FAQs for 2021 Honda Civic Engine Cooling Parts

What are the most purchased Engine Cooling Parts for the 2021 Honda Civic?

Out of 22 Engine Cooling Parts for the 2021 Honda Civic, the most popular in our inventory are:
Coolant Temperature Sensor with O-Ring
from $38.99
This product is not rated
Coolant Temperature Sensor with O-Ring
Coolant Temperature Sensors
Engine Water Pump: New, Gasket/Seals Included
from $89.99
This product is not rated
Engine Water Pump: New, Gasket/Seals Included
Water Pumps
Integrated Thermostat Housing: With Seal, 172 Degrees
from $65.99
This product is not rated
Integrated Thermostat Housing: With Seal, 172 Degrees
Thermostat and Water Outlet Assemblies