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Parts for your 2020 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
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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
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
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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
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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 2020 Lexus IS

The 2020 Lexus IS is a sleek and sporty sedan that combines performance with luxury, and like most modern petrol-powered cars, it relies on an effective cooling system to keep the engine running smoothly. Central to this cooling system is the radiator, a crucial component that helps maintain the ideal operating temperature of the engine.

So, does the 2020 Lexus IS use a radiator? Yes, it absolutely does. The radiator plays a vital role in protecting the engine from overheating, which can cause serious damage and compromise vehicle performance. Because the engine produces a lot of heat while running, especially under heavy loads or in warm climates, the radiator is critical in dissipating heat and ensuring the engine stays within safe temperature limits.

The radiator in the 2020 Lexus IS works by circulating coolant - a mixture of water and antifreeze - through the engine block where it absorbs heat. That heated coolant then flows into the radiator, which consists of many thin tubes and fins designed to maximise surface area. As the coolant passes through the radiator, air flows across the fins and tubes, cooling the fluid before it cycles back into the engine. This continuous loop helps keep the engine at an optimum temperature, typically around 90 degrees Celsius.

When it comes to maintaining the radiator in a 2020 Lexus IS, it is part of regular vehicle servicing and should never be overlooked. Proper maintenance ensures the cooling system functions correctly and prolongs both the radiator and engine's lifespan.

One of the main things to check during servicing is the condition of the coolant. Over time, coolant can break down or become contaminated, reducing its effectiveness and potentially causing corrosion inside the radiator and engine block. Lexus recommends using the specific type of coolant designed for their engines, often a long-life ethylene glycol-based formula, and typically requires coolant replacement every 100,000 kilometres or every five years - whichever comes first, but always refer to the owner's manual for exact details.

Additionally, it is important to visually inspect the radiator for any signs of damage, leaks, or clogging. A radiator can become damaged from road debris or corrosion, which can result in leaks or blockages that reduce cooling efficiency. If any leaks or internal blockages are detected, replacing or repairing the radiator may be necessary to avoid engine overheating.

When the radiator is in good condition and the coolant is fresh, the cooling system is more reliable, reducing the risk of breakdowns or expensive engine repairs down the road. Preventative maintenance also includes checking radiator hoses for cracks or bulges and ensuring all clamps are tight to prevent leaks. The radiator cap, which maintains pressure in the cooling system, should also be checked during servicing.

If it does come time to replace the radiator on a 2020 Lexus IS, it's essential to use high-quality replacement parts that meet Lexus's specifications. Installing the correct radiator ensures proper fitment, cooling performance, and durability. When replacing the radiator, the cooling system should be flushed to remove any debris or old coolant, followed by refilling with the appropriate coolant mixture to prevent corrosion and maintain effective heat transfer.

Radiator maintenance is a straightforward but critical task for any 2020 Lexus IS owner. Keeping the cooling system in top shape not only protects the engine but also helps maintain fuel efficiency and overall vehicle performance. So, during your regular servicing visits, make sure your mechanic thoroughly checks the radiator, coolant, hoses, and related components to keep your Lexus running cool and strong.

In short, the radiator is an indispensable part of the 2020 Lexus IS's engine management, making it impossible to imagine the vehicle operating safely without one. Treat your radiator well with proper servicing and it will reward you with many trouble-free kilometres behind the wheel.