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Parts for your 2012 Subaru Impreza-Radiator

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Nulon Radiator Stop Leak 300mL - R50
30%OFF

Nulon Radiator Stop Leak 300mL - R50

$14.70
$21
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Nulon Engine Oil Stop Leak 300ml - ESL
30%OFF

Nulon Engine Oil Stop Leak 300ml - ESL

$27.30
$39
Fitment Notes:
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Explore 4WD & Adventure

Nulon Diesel Injector Cleaner 300mL - DIC
30%OFF

Nulon Diesel Injector Cleaner 300mL - DIC

$23.80
$34
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Nulon Octane Boost & Clean 300ml - OBC
30%OFF

Nulon Octane Boost & Clean 300ml - OBC

$28.70
$41
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Penrite Radiator Flush Additive 375mL - ADRF375

Penrite Radiator Flush Additive 375mL - ADRF375

$27
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Repco Cooling System Flush 300ml

Repco Cooling System Flush 300ml

$16
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Penrite Shift Eze 125ml - SHIFTEZE000125

Penrite Shift Eze 125ml - SHIFTEZE000125

$29
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K-SEAL Ultimate Head Gasket Repair - K3501

K-SEAL Ultimate Head Gasket Repair - K3501

$102
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Lucas Heavy Duty Oil Stabilizer 946ml - 10001

Lucas Heavy Duty Oil Stabilizer 946ml - 10001

$40
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Penrite Radiator Stop Leak 375mL - ADRSL375

Penrite Radiator Stop Leak 375mL - ADRSL375

$30
Fitment Notes:
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One Shot Radiator Stop Leak - 20050

One Shot Radiator Stop Leak - 20050

$9
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Penrite Lifter and Tappet Fix 375ml - ADLTF375

Penrite Lifter and Tappet Fix 375ml - ADLTF375

$31
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Rislone Rear Main Seal Repair 500ml - 44240

Rislone Rear Main Seal Repair 500ml - 44240

$38
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Rislone Radiator Stop Leak 325mL - 41196

Rislone Radiator Stop Leak 325mL - 41196

$20
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Holts Wondarweld Cooling System Repair 250ml - HREP0062A

Holts Wondarweld Cooling System Repair 250ml - HREP0062A

$23
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Rislone Aluminium Radiator Stop Leak 479g - 41186

Rislone Aluminium Radiator Stop Leak 479g - 41186

$32
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Nulon Gearbox Treatment 125ml - G70
Clearance

Nulon Gearbox Treatment 125ml - G70

$6
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Nulon Radiator Flush & Clean 300mL - R40
Clearance

Nulon Radiator Flush & Clean 300mL - R40

$18
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Sealwell Coolant System Conditioner 2 Pack - T51012

Sealwell Coolant System Conditioner 2 Pack - T51012

$27
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Nulon Engine Stop Smoke 500ml - SS
Clearance

Nulon Engine Stop Smoke 500ml - SS

$10
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Penrite Engine Boost+ 500ml - PSPEB0005
Clearance

Penrite Engine Boost+ 500ml - PSPEB0005

$10
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Rislone Head Gasket Fix 680g - 41111

Rislone Head Gasket Fix 680g - 41111

$101
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Flashlube Diesel Conditioner 50ml - FD50MX20B

Flashlube Diesel Conditioner 50ml - FD50MX20B

$7
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Proma MBL8 Oil Concentrate 250ml - 50083

Proma MBL8 Oil Concentrate 250ml - 50083

$80
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Showing 1 - 39 of 79 products

Understanding the Radiator in Your 2012 Subaru Impreza

The 2012 Subaru Impreza comes equipped with a conventional liquid cooling system, and like most modern vehicles, it features a radiator as a key component. The radiator plays an essential role in maintaining the engine's optimal operating temperature, helping to keep the Subaru running smoothly and efficiently. So, if you own a 2012 Impreza or are thinking about servicing one, understanding the purpose of the radiator and how to maintain it properly is pretty important.

To kick things off, the radiator in the 2012 Subaru Impreza is part of the cooling system that prevents the engine from overheating. The engine generates a lot of heat during operation because of the combustion processes inside the cylinders. Without a properly functioning radiator, the engine could become dangerously hot, leading to performance issues or even serious engine damage. The radiator works by circulating coolant - usually a mix of water and antifreeze - through the engine to absorb heat, then passing that hot coolant through the radiator's thin tubes and fins where the heat dissipates into the air before the cooled liquid cycles back into the engine.

Generally nestled right behind the front grille of the 2012 Impreza, the radiator relies on airflow while driving to help cool the liquid inside. It is usually paired with a cooling fan that kicks in when the vehicle is stationary or moving slowly to maintain airflow across the radiator's surface. The design of Subaru's cooling system ensures the engine temperature stays balanced regardless of external conditions, which is vital for both performance and longevity.

When it comes to maintenance, it makes good sense to regularly check the radiator and the overall cooling system as part of your vehicle servicing schedule. If the radiator is clogged, leaking, or damaged, you'll notice signs like overheating, coolant leaks under the car, or warning lights on the dashboard. Sometimes corrosion or sediment can build up inside the radiator, reducing its effectiveness and causing the engine to run hotter than it should. Regular checks help spot issues before they become costly repairs.

Changing the coolant is just as important as inspecting the radiator itself. Over time, coolant loses its effectiveness and can turn acidic, which may cause internal corrosion within the cooling system. Subaru traditionally recommends flushing and replacing the coolant every 2 to 4 years, but it's wise to check the owner's manual or follow specialist advice for the exact interval. Using the correct Subaru-approved antifreeze mix is essential since the wrong type can harm the cooling components.

If a radiator replacement becomes necessary, choosing the right part is key. An original equipment manufacturer (OEM) radiator ensures good fit and performance, but there are also reputable aftermarket options available. Installation should be done carefully, making sure all hoses and clamps are secure and that the cooling system is properly bled of air after refilling with coolant to avoid air pockets that can cause overheating.

Preventative care goes a long way to keep your Subaru Impreza running well. Alongside radiator maintenance, checking hoses for cracks or wear, inspecting the water pump, thermostat, and cooling fan regularly is recommended. All these components work together to manage engine temperature. Neglecting any part of the system may mean you risk an unexpected breakdown on the road, which is never fun or convenient.

One handy tip is to keep an eye on the temperature gauge on your dashboard. If it suddenly spikes into the red zone or reads higher than usual, pull over safely and switch off the engine to avoid overheating. Allow the car to cool before investigating possible leaks or damage, as opening the radiator cap while hot can cause scalding from steam and hot coolant.

Another aspect worth noting is that if you frequently drive in Australian conditions where it can get quite hot, or if your Impreza often carries heavy loads or travels steep terrain, the radiator and cooling system face additional stress. In those cases, staying on top of cooling system service intervals is even more critical to avoid engine trouble.

All up, the radiator in the 2012 Subaru Impreza is absolutely necessary and plays a crucial role in the car's overall performance and reliability. Treating it with regular maintenance and addressing any cooling system issues promptly helps ensure the vehicle stays roadworthy and performs well for years to come.