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Parts for your 2021 Lexus Is-Coolant

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Gates Moulded Heater Hose - 02-1457

Gates Moulded Heater Hose - 02-1457

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$162
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Gates Heater Hose - 05-1583

Gates Heater Hose - 05-1583

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$153
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Gates Moulded Heater Hose - 02-0391

Gates Moulded Heater Hose - 02-0391

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$151
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Gates Moulded Heater Hose - 02-1298

Gates Moulded Heater Hose - 02-1298

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$123
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Gates Moulded Heater Hose - 02-1354

Gates Moulded Heater Hose - 02-1354

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$113
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Gates Moulded Heater Hose - 02-1156

Gates Moulded Heater Hose - 02-1156

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$103
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Gates Moulded Heater Hose - 02-1073

Gates Moulded Heater Hose - 02-1073

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$88
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Gates Heater Hose - 02-0477

Gates Heater Hose - 02-0477

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$85
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Gates Heater Hose - 02-1072

Gates Heater Hose - 02-1072

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$85
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Gates Moulded Heater Hose - 02-1523

Gates Moulded Heater Hose - 02-1523

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$75
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Gates Heater Hose - 02-0847

Gates Heater Hose - 02-0847

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$73
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Gates Moulded Heater Hose - 02-0548

Gates Moulded Heater Hose - 02-0548

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$70
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Gates Heater Hose - 02-0787

Gates Heater Hose - 02-0787

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$67
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Gates Moulded Heater Hose - 02-1534

Gates Moulded Heater Hose - 02-1534

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$62
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Gates Moulded Heater Hose - 02-1147

Gates Moulded Heater Hose - 02-1147

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$54
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Gates Heater Hose - 02-0717

Gates Heater Hose - 02-0717

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$52
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Gates Moulded Heater Hose - 02-1174

Gates Moulded Heater Hose - 02-1174

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$46
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Gates Moulded Heater Hose - 02-0051

Gates Moulded Heater Hose - 02-0051

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$45
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Gates Heater Hose - 02-0565

Gates Heater Hose - 02-0565

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$26
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Gates Radiator Hose - 05-2859

Gates Radiator Hose - 05-2859

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$487
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Gates Radiator Hose - 05-2453

Gates Radiator Hose - 05-2453

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$467
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Gates Radiator Hose - 05-2865

Gates Radiator Hose - 05-2865

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$219
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Gates Moulded Heater Hose - 02-1365

Gates Moulded Heater Hose - 02-1365

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$224
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Gates Moulded Heater Hose - 02-1357

Gates Moulded Heater Hose - 02-1357

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$183
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Gates Radiator Hose Upper - 05-1597

Gates Radiator Hose Upper - 05-1597

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$173
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Gates Heater Hose - 02-0310

Gates Heater Hose - 02-0310

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$159
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Gates Radiator Hose Lower - 05-0964

Gates Radiator Hose Lower - 05-0964

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$133
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Mackay Radiator Hose Upper - CH2459

Mackay Radiator Hose Upper - CH2459

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$128
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Mackay Radiator Hose Upper - CH1266

Mackay Radiator Hose Upper - CH1266

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$121
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Gates Heater Hose - 02-0704

Gates Heater Hose - 02-0704

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$110
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Gates Radiator Hose Upper - 05-1337

Gates Radiator Hose Upper - 05-1337

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$98
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Gates Radiator Hose Lower - 05-1071

Gates Radiator Hose Lower - 05-1071

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$92
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Gates Radiator Hose Upper - 05-2122

Gates Radiator Hose Upper - 05-2122

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$82
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Gates Radiator Hose Lower - 23172

Gates Radiator Hose Lower - 23172

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$79
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Gates Radiator Hose Lower - 05-1259

Gates Radiator Hose Lower - 05-1259

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$76
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Gates Radiator Hose Upper - 05-1200

Gates Radiator Hose Upper - 05-1200

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$73
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Gates Radiator Hose Upper - 05-1826

Gates Radiator Hose Upper - 05-1826

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$66
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Gates Radiator Hose Upper - 05-0312

Gates Radiator Hose Upper - 05-0312

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$62
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Gates Radiator Hose Upper - 05-0498

Gates Radiator Hose Upper - 05-0498

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$62
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Showing 3199 - 3237 of 4014 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.