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Parts for your 2015 Lexus Is-Radiator

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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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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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Explore 4WD & Adventure

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
Fitment Notes:
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Prestone Radiator Flush / Cleaner 650ml - AS105Y

Prestone Radiator Flush / Cleaner 650ml - AS105Y

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

Lubegard Shudder Fix 60ML - 19610

$30
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Lucas Power Steering Stop Leak 355mL - 10008

Lucas Power Steering Stop Leak 355mL - 10008

$44
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Wynn's Radiator Flush 325mL - 65332
Clearance

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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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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Irontite Coolant System Sealer 600g - 960101

Irontite Coolant System Sealer 600g - 960101

$67
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Tee-Kay Head Chek - HEADCHEK

Tee-Kay Head Chek - HEADCHEK

$105
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Rislone Engine Treatment Concentrate 500ml - 44102

Rislone Engine Treatment Concentrate 500ml - 44102

$23
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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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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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CRC Fibre Lock 946ml - 1224
CRC

CRC Fibre Lock 946ml - 1224

$119
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T&E Tools Radiator Fin Straightener

T&E Tools Radiator Fin Straightener

$43
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Rislone Hy-Per Cool Super Coolant 473ml - 41300

Rislone Hy-Per Cool Super Coolant 473ml - 41300

$39
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Rain-X Washer Fluid Additive 500ml - 64 RX11806D

Rain-X Washer Fluid Additive 500ml - 64 RX11806D

$32
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Gates Hose Cutter up to 3in ID - 91143

Gates Hose Cutter up to 3in ID - 91143

$213
Fitment Notes:
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Showing 40 - 78 of 117 products

Understanding the Radiator in the 2015 Lexus IS

The 2015 Lexus IS is a popular luxury sedan known for its sporty performance and elegant design. Like most internal combustion engine vehicles, the 2015 Lexus IS is fitted with a radiator as a crucial component of its cooling system. The radiator plays an essential role in keeping the engine running smoothly and preventing overheating, especially during demanding driving conditions or hotter Aussie summers.

Simply put, the radiator in the 2015 Lexus IS works as a heat exchanger. Its job is to dissipate the heat generated by the engine to avoid any damage caused by excessive temperatures. The engine produces a lot of heat by burning fuel, and if that heat is not properly managed, it can lead to serious damage or even engine failure. That is where the radiator comes in, transferring heat from the engine coolant to the outside air.

The engine coolant, a mixture of water and antifreeze, circulates through the engine, absorbing heat. Once this heating has occurred, the hot coolant flows through the radiator, which consists of a series of thin tubes and fins designed to maximise surface area for cooling. Air flows over these fins, either naturally as the vehicle moves or aided by electric cooling fans, carrying away the heat. This cycle repeats continuously while the engine is running, ensuring the temperature stays within the manufacturer's recommended range.

Because the radiator is so critical, it's important that it is well maintained and in good working order as part of servicing the 2015 Lexus IS. Over time, radiators can develop leaks, become clogged with rust or sediment, or suffer physical damage from road debris. Any of these issues can reduce the cooling efficiency and potentially cause overheating, which is a common cause of engine problems.

Regular maintenance for the radiator typically includes checking coolant levels and quality. The coolant should be flushed and replaced according to the schedule outlined in the Lexus owner's manual, usually every two to three years. This ensures the coolant remains effective in absorbing heat and prevents corrosion within the radiator and cooling passages.

Inspecting the radiator for leaks, cracks, or blockages is also vital during servicing. Small leaks might show as damp spots under the car or visible coolant residue around the radiator or hoses. Catching these early can save significant repair costs down the track. Additionally, the radiator cap should be checked as it helps maintain the correct pressure in the system - a faulty cap can lead to overheating issues as well.

When it comes to replacement, if the radiator is damaged beyond repair or is severely clogged, it's best to replace it with an OEM or high-quality aftermarket radiator designed specifically for the 2015 Lexus IS. Modern radiators are made from aluminium and plastic, making them both lightweight and efficient. Installation should be done by a qualified mechanic to ensure all connections and seals are properly fitted, preventing leaks and ensuring perfect operation.

On the road, drivers of the 2015 Lexus IS should keep an eye on the temperature gauge on the dashboard. If the needle starts creeping into the red or if warning lights for the engine temperature come on, it could indicate a radiator or cooling system problem. Pulling over safely and allowing the engine to cool down is crucial before investigating further or seeking assistance. Continuing to drive with an overheating engine can cause serious damage.

Overall, the radiator is a fundamental component to the 2015 Lexus IS, helping maintain the longevity and performance of the engine. Treating radiator maintenance as a regular part of your vehicle's servicing schedule will ensure your Lexus stays cool under pressure, enjoying the powerful yet refined drive it was designed to deliver.