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Parts for your 2021 Lexus Is-Coolant

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Gates Radiator Hose - 05-4460

Gates Radiator Hose - 05-4460

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$237
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Gates Heater Hose - 02-1237

Gates Heater Hose - 02-1237

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$230
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Gates Radiator Hose - 05-4010

Gates Radiator Hose - 05-4010

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$225
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Gates Radiator Hose - 05-2396

Gates Radiator Hose - 05-2396

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$233
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Gates Radiator Hose Lower - 05-1745

Gates Radiator Hose Lower - 05-1745

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$235
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Gates Radiator Hose Lower - 05-2058

Gates Radiator Hose Lower - 05-2058

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Gates Radiator Hose - 05-2837

Gates Radiator Hose - 05-2837

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$230
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Gates Radiator Hose Lower - 05-1635

Gates Radiator Hose Lower - 05-1635

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$227
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Gates Radiator Hose - 05-2915

Gates Radiator Hose - 05-2915

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$240
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Gates Radiator Hose - 05-4072

Gates Radiator Hose - 05-4072

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$243
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Gates Radiator Hose - 05-2029

Gates Radiator Hose - 05-2029

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$227
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Gates Radiator Hose Upper - 05-1734

Gates Radiator Hose Upper - 05-1734

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$239
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Gates Radiator Hose Lower - 05-1709

Gates Radiator Hose Lower - 05-1709

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$236
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Mackay Radiator Hose Upper - CH3041

Mackay Radiator Hose Upper - CH3041

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$237
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Gates Moulded Heater Hose - 02-1594

Gates Moulded Heater Hose - 02-1594

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$224
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Gates Radiator Hose - 05-5518

Gates Radiator Hose - 05-5518

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$228
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Gates Radiator Hose - 05-2460

Gates Radiator Hose - 05-2460

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$233
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Mackay Lower Radiator Hose - CH4990

Mackay Lower Radiator Hose - CH4990

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$228
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Gates Radiator Hose - 05-4115

Gates Radiator Hose - 05-4115

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$216
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Mackay Radiator Hose Upper - CH2201

Mackay Radiator Hose Upper - CH2201

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$168
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Gates Radiator Hose Lower - 05-2007

Gates Radiator Hose Lower - 05-2007

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$197
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Gates Radiator Hose - 05-2642

Gates Radiator Hose - 05-2642

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$207
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Gates Radiator Hose - 05-3752

Gates Radiator Hose - 05-3752

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$201
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Gates Heater Hose - 02-1233

Gates Heater Hose - 02-1233

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$219
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Gates Radiator Hose Lower - 05-2063

Gates Radiator Hose Lower - 05-2063

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$184
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Gates Radiator Hose - 05-4475

Gates Radiator Hose - 05-4475

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$169
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Gates Radiator Hose - 05-2840

Gates Radiator Hose - 05-2840

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$191
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Gates Radiator Hose - 05-2088

Gates Radiator Hose - 05-2088

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$218
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Gates Radiator Hose - 05-3028

Gates Radiator Hose - 05-3028

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$211
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Gates Radiator Hose - 05-4114

Gates Radiator Hose - 05-4114

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$200
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Gates Radiator Hose Lower - 05-1973

Gates Radiator Hose Lower - 05-1973

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$213
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Gates Radiator Hose - 05-2392

Gates Radiator Hose - 05-2392

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$188
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Gates Moulded Heater Hose - 02-1434

Gates Moulded Heater Hose - 02-1434

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$204
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Gates Radiator Hose - 05-2602

Gates Radiator Hose - 05-2602

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$169
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Gates Radiator Hose - 05-2485

Gates Radiator Hose - 05-2485

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$214
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Gates Radiator Hose - 05-2858

Gates Radiator Hose - 05-2858

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$223
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Mackay Lower Radiator Hose - CH1144

Mackay Lower Radiator Hose - CH1144

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$205
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Showing 1561 - 1599 of 4182 products

Understanding Coolant for the 2021 Lexus IS

The 2021 Lexus IS is a sleek, performance-oriented sedan that combines style and engineering finesse. Like most modern vehicles, it relies on a liquid coolant system to keep the engine running smoothly and prevent overheating. So, yes, coolant is definitely relevant and used in the 2021 Lexus IS to ensure efficient engine temperature regulation.

Coolant, sometimes called antifreeze, is a vital fluid that circulates through the engine's cooling system. Its primary role is to absorb the heat generated by the engine and dissipate it through the radiator, preventing the engine from running too hot. Beyond just cooling, coolant also safeguards the engine against freezing in cold weather and provides protection against corrosion inside the cooling system components. This means the car can handle everything from hot Australian summers to chilly winter mornings without any hiccups.

For Lexus IS owners, understanding coolant maintenance is an important part of keeping the vehicle in top shape. The coolant used in the 2021 Lexus IS is typically a specific formula recommended by Lexus, designed to work with the engine materials and cooling system parts. This coolant usually features long-life additives, which means it won't need replacing as frequently as traditional antifreeze options.

Still, even long-life coolants don't last forever, and regular inspection and replacement as part of the vehicle's servicing schedule is key. Over time, coolant can degrade or become contaminated with rust or dirt particles, which can compromise its efficiency and potentially cause damage to engine components like the radiator, water pump, or thermostat.

When it comes to coolant replacement for the 2021 Lexus IS, it's generally recommended to follow the service schedule outlined in the owner's manual. Typically, this means flushing and replacing the coolant every 100,000 kilometres or every five years, whichever comes first, but checking the specific recommendations for your model year is always a good move.

During a coolant flush, the old coolant is completely drained from the system, the radiator and engine block are usually flushed with clean water to remove any lingering contaminants, and fresh coolant mixed to the correct concentration with water is added. This process ensures that the cooling system delivers optimal performance and protects the engine effectively.

It's worth noting that mixing different types of coolant or simply topping up rather than fully replacing the coolant can create problems. Coolants have different chemical formulations and mixing them can reduce their effectiveness or cause sludge build-up inside the cooling system. That's why it's best to stick to the manufacturer's specified coolant type, usually available at Lexus dealerships or authorised repairers.

Regular checks between servicing appointments can also help spot any coolant issues early. Owners should keep an eye on the coolant reservoir level to make sure it's at the correct mark. If it's consistently dropping, it could be due to a leak in the system that needs attention. Also, signs like a sweet smell inside the car, visible leaks, or engine overheating should be checked immediately by a professional.

Taking proper care of the coolant system not only helps avoid costly engine repairs but also keeps the Lexus IS running efficiently and comfortably. Efficient cooling means the engine runs at the right temperature, improving fuel economy and reducing emissions. Plus, a well-maintained cooling system extends the overall life of the engine.

In short, 2021 Lexus IS owners should treat coolant maintenance as an essential part of vehicle care. Paying attention to the right coolant type, maintaining the correct levels, and adhering to scheduled flushes helps ensure the engine stays cool and protected on every drive, whether it's a city commute or a weekend trip out of town.