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Parts for your 2017 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
Fitment Notes:
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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
Fitment Notes:
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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
Fitment Notes:
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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
Fitment Notes:
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Tee-Kay Head Chek - HEADCHEK

Tee-Kay Head Chek - HEADCHEK

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

Rislone Engine Treatment Concentrate 500ml - 44102

$23
Fitment Notes:
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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
Fitment Notes:
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T&E Tools Radiator Back Flusher

T&E Tools Radiator Back Flusher

$92
Fitment Notes:
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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
Fitment Notes:
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Toledo Radiator Fin Straightener - 308240

Toledo Radiator Fin Straightener - 308240

$22
Fitment Notes:
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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
Fitment Notes:
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Rislone Hy-Per Cool Super Coolant 473ml - 41300

Rislone Hy-Per Cool Super Coolant 473ml - 41300

$39
Fitment Notes:
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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 Your 2017 Lexus IS

The 2017 Lexus IS is a luxury sedan that blends performance with reliability, and a key component helping it run smoothly is the radiator. Like most modern petrol-powered vehicles, the 2017 Lexus IS uses a radiator as part of its cooling system to ensure the engine stays within ideal operating temperatures.

So, what exactly does the radiator do? Essentially, it plays a crucial role in managing heat generated by the engine. When the engine is running, it produces a lot of heat from the combustion process. If this heat is not controlled properly, it can cause engine components to overheat and potentially lead to costly damage. The radiator addresses this by dissipating the heat from the engine coolant before it cycles back through the engine.

The cooling system of the Lexus IS is a closed loop that circulates coolant - usually a mix of water and antifreeze - through the engine and then the radiator. Hot coolant from the engine head is pushed into the radiator's thin tubes and fins. As air passes over these fins (thanks to the car's forward movement or the radiator fan when idling), the heat from the coolant transfers to the air, effectively cooling the fluid. The coolant then recirculates, ready to absorb more engine heat. Without a properly functioning radiator, the engine would quickly overheat and risk severe mechanical failure.

Maintaining your 2017 Lexus IS radiator is all about keeping this heat exchange process working smoothly. Over time, radiators can develop leaks, get clogged with dirt or debris, or suffer internal corrosion, especially if the coolant hasn't been changed regularly. A clogged radiator won't cool the engine effectively, and a leaking radiator will reduce coolant levels, both of which can increase engine temperatures beyond safe limits.

To avoid potential headaches, regular maintenance is a must. Here's what Lexus recommends for radiator and cooling system upkeep:

  • Check the coolant level frequently and top it up if needed. Low coolant can cause the engine to overheat.
  • Change the coolant every 6 years or 100,000 kilometres, whichever comes first. This keeps the fluid effective and helps prevent corrosion inside the radiator.
  • Have the radiator and cooling system inspected during regular servicing. Technicians will look for signs of leaks, damaged hoses, or a radiator cap that isn't sealing properly.
  • Inspect for visible external damage like bent radiator fins or dirt build-up, and have it cleaned if dirty.

If a radiator replacement is necessary, it's important to use a part that meets Lexus specifications to ensure proper fitment and performance. Installing the correct radiator helps maintain engine temperature stability and keeps the vehicle running just as smoothly as when it left the factory.

Some signs that might indicate radiator trouble include the engine temperature gauge rising above the normal range, the presence of coolant puddles under the car, a sweet smell inside or outside the vehicle, or steam coming from under the bonnet. Ignoring these signs can lead to overheating and potential engine damage.

In short, the radiator is a vital piece in the puzzle of what keeps the 2017 Lexus IS humming along reliably. Taking care of it with regular maintenance and timely replacement if needed will help ensure this luxury ride continues to deliver performance without overheating worries.