2025 HONDA CIVIC Cooling & Heating

Mishimoto Coolant Reservoir Tanks

Mishimoto coolant reservoir tanks offer under-your-hood styling! Whether you're polishing the look of your engine bay or you just want to replace the plastic OEM tank, Mishimoto aluminum coolant reservoir tanks are your solution. These inclusive kits are delivered with a mounting bracket, hardware, and reinforced hose. Improve the aesthetics of your engine bay with polished aluminum coolant reservoir tanks from Mishimoto.

4.57 out of 5 stars ( 46 )

$288.95

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$322.95

MotoRad Radiator Caps

MotoRad products offers a wide variety of radiator caps for domestic and import cars, heavy-duty and light trucks, racing, off-road, and agricultural applications. MotoRad offers standard on radiator caps, as well as caps for coolant recovery tanks. Whatever your cooling needs are, you can count on MotoRad for the right products.

4.7 out of 5 stars ( 10 )

$10.99

aFe Power Carbon Cabin Air Filters

aFe Power carbon cabin air filters clean the air entering through the ventilation system of your vehicle by reducing impurities such as dust, soot, and pollen. The air filters contain activated carbon granules to help remove odors and fumes for cleaner, fresher cabin air for you and your passengers. Available in styles to fit a large range of different vehicles, aFe Power carbon cabin air filters are easy to install and will help keep the A/C evaporator clean and microbe-free. Order the filter designed for your application needs.

5.0 out of 5 stars ( 3 )

$23.00

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K&N Cabin Air Filters

K&N cabin air filters are replacement upgrades for your vehicle's stock cabin filters with a reusable design that cleans and freshens incoming air. They're electrostatically charged to grab and hold dust particles. These advanced filters help control odors by capturing most mold, mildew, fungus, spores, bacteria, and germs. Best of all, whenever the cabin air filters get dirty, you can simply clean them off and reinstall them in your vehicle.

4.84 out of 5 stars ( 91 )

$41.99

Flex-A-Lite Billet Aluminum Radiator Caps

A Flex-A-Lite billet aluminum radiator cap will make a beautiful upgrade under the hood. These caps are rated at 22 psi and fit nearly all factory and aftermarket radiators from 1973 until the present.

4.0 out of 5 stars ( 1 )

$29.99

GMB OE Replacement Water Pumps

GMB OE replacement water pumps are precision-built and balanced to meet or exceed original equipment specifications. They're assembled with heavy-duty steel bearings—and are lubricated and sealed for life. Order the model designed for your vehicle application. All GMB water pumps are factory-tested for quality and include the following features: * High-flow design for long-lasting, efficient cooling * Designed for OE fit and performance * Precision-ground shaft and hub accept OE fan clutches perfectly * OE-quality forged housing is specially formed to ensure maximum coolant flow * Pressed-on impeller increases water flow * Unique no-sealant-required gasket makes installation fast and easy * Unitized seal protects bearings for long life and leak-free performance * Factory-sealed, precision-ground, one-piece bearing assembly

4.35 out of 5 stars ( 532 )

$86.99

Hybrid Racing Low Temp Thermostats

Hybrid Racing offers low temp thermostats for a variety of applications, including many Honda© and Acura© models from 1990 and up. The advantages of using a low-temperature thermostat in high performance or race environments are evident. Opening the thermostat's valve at a lower temperature allows coolant to flow more freely during low-load sections of the racetrack. This enables the radiator to effectively regulate the engine's temperature within the optimal range during high-load sections. If a cooling system is pushed to its limits at the racetrack and overheating becomes an issue, a low-temperature thermostat can often resolve this problem. It achieves this by allowing the radiator to perform more cooling at lower engine loads, thereby preventing or delaying overheating during high-engine loads. Overall, low-temperature thermostats provide improved engine cooling, prevent temperature hunting, offer durability, and allow for customizable cooling systems. These advantages make them a valuable component, especially in high performance applications where maintaining optimal temperatures is crucial for engine performance and longevity. Order the model recommended for your vehicle.

Not Yet Reviewed

$132.99

Beck/Arnley Water Pumps

Beck/Arnley water pumps are precision-built and balanced OE replacements. They meet or exceed factory specifications, include heavy-duty steel bearings, and are sealed and lubricated for life. The pumps are available in a variety of configurations for fitment on specific vehicles. Beck/Arnley water pumps include the following features: * Designed for OE-fit and performance * Precision-ground shaft and hub accept OE fan clutches perfectly * OE-quality forged housing is specially formed to ensure maximum coolant flow * Unitized seal protects bearings for long life and leak-free performance * Factory-sealed, precision-ground, one-piece bearing assembly

4.17 out of 5 stars ( 12 )

$71.99