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Parts for your 2018 Subaru Outback-Radiator

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Nulon Engine Stop Smoke 500ml - SS
Clearance

Nulon Engine Stop Smoke 500ml - SS

$10
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Nulon Radiator Flush & Clean 300mL - R40
Clearance

Nulon Radiator Flush & Clean 300mL - R40

$18
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Lubegard Shudder Fix 60ML - 19610

Lubegard Shudder Fix 60ML - 19610

$30
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Penrite Engine Boost+ 500ml - PSPEB0005
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Penrite Engine Boost+ 500ml - PSPEB0005

$10
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Nulon Engine Oil Stop Leak 300ml - ESL

Nulon Engine Oil Stop Leak 300ml - ESL

$39
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Rislone High Mileage Compression Repair 500ml - 4447

Rislone High Mileage Compression Repair 500ml - 4447

$38
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Explore 4WD & Adventure

Repco 3 Pc Hose Pinching Pliers Set - RST234

Repco 3 Pc Hose Pinching Pliers Set - RST234

$44
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Nulon Radiator Stop Leak 300mL - R50

Nulon Radiator Stop Leak 300mL - R50

$21
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Nulon Diesel Injector Cleaner 300mL - DIC

Nulon Diesel Injector Cleaner 300mL - DIC

$34
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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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Lucas Power Steering Stop Leak 355mL - 10008

Lucas Power Steering Stop Leak 355mL - 10008

$44
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Prestone Radiator Flush / Cleaner 650ml - AS105Y

Prestone Radiator Flush / Cleaner 650ml - AS105Y

$24
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Kelpro Radiator Support Mounting Stud - 29801

Kelpro Radiator Support Mounting Stud - 29801

$16
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Penrite Radiator Oil Remover 375ml - ADROR375

Penrite Radiator Oil Remover 375ml - ADROR375

$35
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Rislone Super Radiator Flush 650mL - 41201

Rislone Super Radiator Flush 650mL - 41201

$24
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Wynn's Radiator Flush 325mL - 65332
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Wynn's Radiator Flush 325mL - 65332

$25
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Nice Products Radiator Drain Tap 1/8 In - NRC13

Nice Products Radiator Drain Tap 1/8 In - NRC13

$28
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Repco Radiator Stop Leak 500ml - RRADSTOP500
Clearance

Repco Radiator Stop Leak 500ml - RRADSTOP500

$2
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Gates Radiator Hose - 05-3988

Gates Radiator Hose - 05-3988

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$174
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Gates Radiator Hose - 05-3989

Gates Radiator Hose - 05-3989

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$128
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Lucas Transmission Fix Stop Slip 700mL - 10009

Lucas Transmission Fix Stop Slip 700mL - 10009

$47
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Repco Fuel System Cleaner 500mL - RFSC500

Repco Fuel System Cleaner 500mL - RFSC500

$35
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Tee-Kay Head Chek - HEADCHEK

Tee-Kay Head Chek - HEADCHEK

$105
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Repco Radiator Cooling System Kit - RTT1019

Repco Radiator Cooling System Kit - RTT1019

$906
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Repco Radiator Pressure Tester Kit - RTT1017

Repco Radiator Pressure Tester Kit - RTT1017

$617
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T&E Tools Radiator Back Flusher

T&E Tools Radiator Back Flusher

$92
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Irontite Coolant System Sealer 600g - 960101

Irontite Coolant System Sealer 600g - 960101

$67
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Tee-Kay Head Chek Fluid 16oz. - TKFLUID500

Tee-Kay Head Chek Fluid 16oz. - TKFLUID500

$27
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Toledo Radiator Back Flusher - 308237

Toledo Radiator Back Flusher - 308237

$116
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Toledo Radiator Fin Straightener - 308240

Toledo Radiator Fin Straightener - 308240

$22
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T&E Tools Radiator Fin Straightener

T&E Tools Radiator Fin Straightener

$43
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Showing 40 - 78 of 119 products

Understanding the Radiator in Your 2018 Subaru Outback

The 2018 Subaru Outback is a well-known, reliable SUV that handles everything from city streets to rough Aussie backroads with ease. One crucial component helping keep this vehicle running smoothly is the radiator. Contrary to some rare cases in electric vehicles or modern designs, the 2018 Subaru Outback definitely comes fitted with a traditional radiator. This part is vital for the health of the engine, and understanding its role, along with how to maintain or replace it, can save owners a lot of hassle down the track.

At its core, the radiator is part of the Outback's cooling system. The engine generates a fair bit of heat as it burns fuel to get you moving. If that heat isn't managed properly, the engine can overheat, causing damage that may be expensive to fix. The radiator helps manage this heat by circulating coolant throughout the engine, then passing it through the radiator where it cools down before heading back to absorb more heat. It's a continuous loop that keeps everything ticking over nicely.

Specifically, the radiator is located at the front of the 2018 Subaru Outback, behind the grille. As the vehicle moves, air flows through the radiator's thin cooling fins and tubes, helping to bring down the temperature of the hot coolant. While the engine fan kicks in at lower speeds or when the car is idling to pull air through, at highway speeds, natural airflow is usually enough. This efficient heat exchange prevents the engine from overheating even during demanding drives or hot summer days in Australia.

Regular maintenance of the radiator is essential to ensure the cooling system functions reliably. Over time, the radiator can get clogged with debris from the road, corrosion from old coolant or dirt that limits airflow and heat transfer. It's recommended to check the radiator and the entire cooling system during routine servicing of your 2018 Subaru Outback. This will typically include inspecting the radiator fins for damage or blockage, checking hoses for any leaks or cracks, and topping up or flushing the coolant if necessary.

Here's a few handy pointers for looking after the radiator in a 2018 Subaru Outback:

  • Keep an eye on coolant levels. Low coolant can cause overheating and damage the engine as well as the radiator itself.
  • Use the right type of coolant. Subaru vehicles require specific coolant formulations to prevent corrosion and ensure proper temperatures.
  • Flush the radiator and cooling system every few years or as advised in the owner's manual. This removes build-up of sediments and old coolant that can reduce efficiency.
  • Check radiator hoses for cracks or leaks regularly. Damaged hoses can cause leaks, resulting in loss of coolant and overheating.
  • Ensure the radiator cap is sealing properly. A faulty cap can lead to loss of pressure in the cooling system, causing overheating and coolant evaporation.

When it comes to replacing the radiator, it's usually only necessary if it has developed leaks, has severe corrosion, or the fins and tubes are too damaged to allow proper cooling. Replacement radiators for the 2018 Subaru Outback are readily available and can be fitted by professional mechanics or confident DIYers with the right tools and know-how. When replacing the radiator, it's a good time to replace hoses, thermostat and flush the coolant system to ensure everything is working together properly.

Ignoring radiator problems can lead to engine overheating, which in turn can cause warped heads, blown head gaskets or even complete engine failure. With the costs of engine repairs being significant, maintaining the radiator is a small investment to keep your Subaru Outback running happily for many years.

If your Outback is showing signs of overheating, coolant leaks under the vehicle or steam coming from under the bonnet, it is important to get the cooling system inspected promptly. Radiator repairs or replacements, when done early, are often more affordable and prevent the need for major engine repairs down the line.

The 2018 Subaru Outback's radiator is a quiet but essential partner in all your adventures across Australia. Whether you're heading out on a long road trip, towing a trailer or just cruising to work in Brisbane's heat, a well-maintained radiator keeps the engine at the ideal operating temperature. That means better performance, better fuel efficiency and peace of mind knowing your vehicle is running as it should.