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Parts for your 2012 Lexus Is-Radiator

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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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Nulon Radiator Stop Leak 300mL - R50
30%OFF

Nulon Radiator Stop Leak 300mL - R50

$14.70
$21
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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Penrite Shift Eze 125ml - SHIFTEZE000125

Penrite Shift Eze 125ml - SHIFTEZE000125

$29
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Repco Cooling System Flush 300ml

Repco Cooling System Flush 300ml

$16
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K-SEAL Ultimate Head Gasket Repair - K3501

K-SEAL Ultimate Head Gasket Repair - K3501

$102
Fitment Notes:
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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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Repco Radiator Fin Straightener & Cleaner - RST18

Repco Radiator Fin Straightener & Cleaner - RST18

$20
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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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Nulon Gearbox Treatment 125ml - G70
Clearance

Nulon Gearbox Treatment 125ml - G70

$6
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Rislone Radiator Stop Leak 325mL - 41196

Rislone Radiator Stop Leak 325mL - 41196

$20
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One Shot Radiator Stop Leak - 20050

One Shot Radiator Stop Leak - 20050

$9
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Nulon Radiator Flush & Clean 300mL - R40
Clearance

Nulon Radiator Flush & Clean 300mL - R40

$18
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GV Demineralised Water 2L - DEMIN-02L

GV Demineralised Water 2L - DEMIN-02L

$6
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Rislone Aluminium Radiator Stop Leak 479g - 41186

Rislone Aluminium Radiator Stop Leak 479g - 41186

$32
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Sealwell Coolant System Conditioner 2 Pack - T51012

Sealwell Coolant System Conditioner 2 Pack - T51012

$27
Fitment Notes:
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GV Demineralised Water 5L - DEMIN-05L

GV Demineralised Water 5L - DEMIN-05L

$12
Fitment Notes:
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Penrite Engine Boost+ 500ml - PSPEB0005
Clearance

Penrite Engine Boost+ 500ml - PSPEB0005

$10
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Showing 1 - 39 of 113 products

Understanding the Radiator in Your 2012 Lexus IS

If you own a 2012 Lexus IS, you might wonder about the role of the radiator and whether this component is part of your car's cooling system. Rest assured, the 2012 Lexus IS is equipped with a radiator as a crucial element in its engine cooling system. The radiator is absolutely relevant and essential for keeping the engine running smoothly and preventing overheating.

The radiator plays a very significant role in managing the temperature of the engine. As the engine runs, it generates a lot of heat from combustion and friction. Without effective cooling, this heat would cause severe damage to engine parts, leading to costly repairs or even engine failure. The radiator works by transferring heat from the engine coolant to the air, maintaining an optimal engine temperature for performance and efficiency.

Inside the engine, coolant fluid circulates through various channels, absorbing heat as it goes. The hot coolant then passes through the radiator's thin tubes and fins. The radiator exposes this hot coolant to oncoming air as you drive or to airflow generated by the radiator fan when the vehicle is stationary. This air cools the fluid before it cycles back into the engine to absorb more heat. This continuous process stops the engine from overheating and helps maintain consistent operating temperatures.

Given how important the radiator is, looking after it during routine maintenance is key to making sure your 2012 Lexus IS remains reliable and efficient. Here are some essential tips and advice on radiator servicing and replacement:

  • Regular Coolant Checks and Changes: The coolant in your radiator doesn't just cool the engine, it also protects it from corrosion and freezing. Over time, coolant breaks down or becomes contaminated, reducing its effectiveness. Lexus recommends checking the coolant level periodically and replacing it according to the schedule in your owner's manual - usually every two to five years depending on the coolant type and kilometres driven.
  • Inspect for Leaks or Damage: It's smart to visually inspect the radiator and surrounding hoses when you service your vehicle. Leaks can appear at joints or in the radiator core itself. Coolant spots beneath your car or an unexpected drop in coolant level can indicate a problem. Cracks, dents, or rust on the radiator can also mean it isn't functioning optimally.
  • Flush the Radiator When Required: Over time, sediments and deposits may build up inside the cooling system, reducing efficiency. A radiator flush involves draining old coolant and flushing out debris before refilling with fresh coolant. This can enhance cooling performance and prolong radiator life.
  • Monitor the Temperature Gauge: Your Lexus IS dashboard temperature gauge is an early warning system. If it starts indicating a higher than normal temperature, it could signal radiator problems. Either the fluid isn't circulating properly or the radiator isn't dissipating heat as it should. Addressing this quickly may prevent more severe engine damage.
  • Replacement Considerations: Radiators generally last for many years, but factors like severe impacts, corrosion, or persistent leaks can necessitate replacement. If the radiator is faulty, engine overheating problems will persist no matter how often the coolant is topped up. When selecting a replacement radiator for a 2012 Lexus IS, genuine or high-quality aftermarket parts should be used to ensure a proper fit and durability.

The radiator is more than just a metal grille at the front of your car - it's an integral part of the 2012 Lexus IS's entire cooling system. It works quietly behind the scenes to keep your engine running in top condition, especially during long drives, hot weather, or heavy traffic where the engine heat can build up fast.

Maintaining the radiator and the cooling system is a relatively simple way to protect your Lexus IS from unexpected breakdowns and expensive repairs. Whether it's topping up coolant, checking hoses, or seeking expert help for a flush or radiator replacement, keeping an eye on this vital system makes all the difference. Many automotive service centres across Australia offer specialised radiator checks and servicing tailored for vehicles like the 2012 Lexus IS.

Ultimately, the radiator's job is essential and cannot be overlooked. So next time your car goes in for a service, it pays to ask the mechanic to check the radiator and cooling system health. A well-maintained radiator helps your Lexus IS keep performing smoothly, handling everything from daily commutes to weekend road trips with confidence.