Skip to content Skip to navigation menu

Your Selected Vehicle

Brands

Show More Show Less

Price

Parts for your 2012 Honda Civic-Radiator

Sort by
GV Demineralised Water 2L - DEMIN-02L

GV Demineralised Water 2L - DEMIN-02L

$6
Fitment Notes:
See More
Nulon Radiator Flush & Clean 300mL - R40
Clearance

Nulon Radiator Flush & Clean 300mL - R40

$18
Fitment Notes:
See More
Sealwell Coolant System Conditioner 2 Pack - T51012

Sealwell Coolant System Conditioner 2 Pack - T51012

$27
Fitment Notes:
See More
Nulon Engine Stop Smoke 500ml - SS
Clearance

Nulon Engine Stop Smoke 500ml - SS

$10
Fitment Notes:
See More

Explore 4WD & Adventure

Penrite Engine Boost+ 500ml - PSPEB0005
Clearance

Penrite Engine Boost+ 500ml - PSPEB0005

$10
Fitment Notes:
See More
Nulon Radiator Stop Leak 300mL - R50

Nulon Radiator Stop Leak 300mL - R50

$21
Fitment Notes:
See More
Nulon Engine Oil Stop Leak 300ml - ESL

Nulon Engine Oil Stop Leak 300ml - ESL

$39
Fitment Notes:
See More
Repco Red Coolant Premix 1L - RPRERED01

Repco Red Coolant Premix 1L - RPRERED01

Confirm Vehicle
$18
Fitment Notes:
See More
Rislone Head Gasket Fix 680g - 41111

Rislone Head Gasket Fix 680g - 41111

$101
Fitment Notes:
See More
Flashlube Diesel Conditioner 50ml - FD50MX20B

Flashlube Diesel Conditioner 50ml - FD50MX20B

$7
Fitment Notes:
See More
Proma MBL8 Oil Concentrate 250ml - 50083

Proma MBL8 Oil Concentrate 250ml - 50083

$80
Fitment Notes:
See More
Nulon Diesel Injector Cleaner 300mL - DIC

Nulon Diesel Injector Cleaner 300mL - DIC

$34
Fitment Notes:
See More
Prestone Radiator Flush / Cleaner 650ml - AS105Y

Prestone Radiator Flush / Cleaner 650ml - AS105Y

$24
Fitment Notes:
See More
Kelpro Radiator Support Mounting Stud - 29801

Kelpro Radiator Support Mounting Stud - 29801

$16
Fitment Notes:
See More
Penrite Radiator Oil Remover 375ml - ADROR375

Penrite Radiator Oil Remover 375ml - ADROR375

$35
Fitment Notes:
See More
Rislone Super Radiator Flush 650mL - 41201

Rislone Super Radiator Flush 650mL - 41201

$24
Fitment Notes:
See More
Lubegard Shudder Fix 60ML - 19610

Lubegard Shudder Fix 60ML - 19610

$30
Fitment Notes:
See More
Lucas Power Steering Stop Leak 355mL - 10008

Lucas Power Steering Stop Leak 355mL - 10008

$44
Fitment Notes:
See More
Wynn's Radiator Flush 325mL - 65332
Clearance

Wynn's Radiator Flush 325mL - 65332

$25
Fitment Notes:
See More
Nice Products Radiator Drain Tap 1/8 In - NRC13

Nice Products Radiator Drain Tap 1/8 In - NRC13

$28
Fitment Notes:
See More
Lucas Transmission Fix Stop Slip 700mL - 10009

Lucas Transmission Fix Stop Slip 700mL - 10009

$47
Fitment Notes:
See More
Repco Fuel System Cleaner 500mL - RFSC500

Repco Fuel System Cleaner 500mL - RFSC500

$35
Fitment Notes:
See More
Irontite Coolant System Sealer 600g - 960101

Irontite Coolant System Sealer 600g - 960101

$67
Fitment Notes:
See More
Tee-Kay Head Chek - HEADCHEK

Tee-Kay Head Chek - HEADCHEK

$105
Fitment Notes:
See More
Rislone Engine Treatment Concentrate 500ml - 44102

Rislone Engine Treatment Concentrate 500ml - 44102

$23
Fitment Notes:
See More
Repco Radiator Cooling System Kit - RTT1019

Repco Radiator Cooling System Kit - RTT1019

$906
Fitment Notes:
See More
Repco Radiator Pressure Tester Kit - RTT1017

Repco Radiator Pressure Tester Kit - RTT1017

$617
Fitment Notes:
See More
T&E Tools Radiator Back Flusher

T&E Tools Radiator Back Flusher

$92
Fitment Notes:
See More
Tee-Kay Head Chek Fluid 16oz. - TKFLUID500

Tee-Kay Head Chek Fluid 16oz. - TKFLUID500

$27
Fitment Notes:
See More
Showing 40 - 78 of 133 products

Understanding the Radiator in Your 2012 Honda Civic

The 2012 Honda Civic, like most modern petrol and diesel passenger vehicles, is equipped with a radiator as a crucial component of its cooling system. The radiator plays an essential role in maintaining the engine's temperature within a safe operating range, ensuring the car runs efficiently and reliably. If you're a Civic owner or just curious about how your car keeps cool under the bonnet, it's worth understanding what a radiator does and why taking care of it is important.

The radiator in the 2012 Honda Civic is designed to dissipate heat from the engine coolant, which absorbs heat generated by the combustion process. Without a radiator, the coolant would heat up constantly, leading to engine overheating - a problem that can cause severe damage, including warped heads or complete engine failure. The radiator works by circulating hot coolant from the engine through a series of thin tubes that are surrounded by fins. Airflow, either forced through by the vehicle moving forward or by a cooling fan, passes over these fins and cools the fluid inside before it cycles back into the engine to absorb more heat.

Under the bonnet of the 2012 Civic, you'll find a compact yet efficient aluminium radiator, tailored to handle the cooling demands of the vehicle's various engine options, whether you have the familiar 1.8-litre petrol or another variant. Honda designed this system to be lightweight and effective, contributing to the Civic's reputation for reliability and fuel efficiency.

Now, servicing the radiator regularly is key to keeping your Civic happy on Aussie roads, whether you're navigating city traffic or cruising along the coast. One of the simplest maintenance tasks is checking the coolant level periodically. Coolant, sometimes called antifreeze, not only helps with heat transfer but also prevents freezing and corrosion within the engine and cooling system components.

Over time, the coolant will lose its effectiveness, so Honda recommends flushing the radiator and replacing the coolant every two to four years, or as specified in the owner's manual. This flush clears out contaminants, rust, and debris that can build up inside the cooling system, reducing the radiator's ability to transfer heat efficiently. Failing to do this can result in overheating, leaks, or even radiator failure.

When it comes to radiator replacement, there are a few telltale signs to watch out for. Persistent overheating issues, visible coolant leaks under the car, or a damaged radiator core often mean it's time to get a new radiator installed. Another sign is a radiator that feels unusually hot to the touch or has warped fins - a sign that the cooling efficiency is compromised. A cracked or broken radiator cap can sometimes cause similar problems, so it's worth checking that part as well during servicing.

Replacing a radiator on the 2012 Honda Civic isn't particularly complicated, but it's best left to professionals or those comfortable with basic automotive repairs. The job typically involves draining the old coolant, disconnecting hoses and mounts, and carefully removing the radiator assembly. After installing the new radiator, the cooling system needs to be refilled and bled properly to get rid of any air pockets, which if left, can cause overheating or coolant circulation issues.

Owners looking to maintain their Civic's radiator should also keep an eye on the radiator fans and thermostat, which work hand-in-hand to control engine temperature. If either of these components malfunctions, the radiator won't be able to keep the engine cool effectively. Regular checks or diagnostic scans can identify these issues early before they cause bigger headaches.

To keep your 2012 Honda Civic running cool and smooth, maintaining the radiator is just as important as routine oil changes or tyre rotations. Simple steps like checking coolant levels, looking out for leaks, and scheduling radiator flushes can help extend your radiator's life and maintain optimal vehicle performance. After all, a well-cooled engine is a happy engine, and that means more reliable runs and fewer costly repairs down the track.