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Parts for your 2018 Lexus Is-Radiator hose

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Gates Radiator Hose Lower - 05-2231

Gates Radiator Hose Lower - 05-2231

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$154
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Gates Radiator Hose Upper - 05-1518

Gates Radiator Hose Upper - 05-1518

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$90
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Gates Radiator Hose Upper - 05-0920

Gates Radiator Hose Upper - 05-0920

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$66
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Goss Heater Hose 16mm 5/8in x 1m - HH160L10

Goss Heater Hose 16mm 5/8in x 1m - HH160L10

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$16
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Gates Radiator Hose Upper - 05-1896

Gates Radiator Hose Upper - 05-1896

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$94
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Gates Radiator Hose Lower - 05-0919

Gates Radiator Hose Lower - 05-0919

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$45
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Gates Radiator Hose Lower - 05-1895

Gates Radiator Hose Lower - 05-1895

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$72
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Gates Radiator Hose - 05-2236

Gates Radiator Hose - 05-2236

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$137
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Goss Heater Hose 10mm 3/8in x 1m - HH100L10

Goss Heater Hose 10mm 3/8in x 1m - HH100L10

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$15
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Gates Radiator Hose Upper - 05-1968

Gates Radiator Hose Upper - 05-1968

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$86
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Gates Radiator Hose Upper - 05-0854

Gates Radiator Hose Upper - 05-0854

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$75
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Gates Radiator Hose Lower - 05-0409

Gates Radiator Hose Lower - 05-0409

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$36
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Dorman Radiator Hose Connector - 627-001

Dorman Radiator Hose Connector - 627-001

$113
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Gates Radiator Hose - 05-1525

Gates Radiator Hose - 05-1525

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$41
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Gates Radiator Hose Upper - 05-2071

Gates Radiator Hose Upper - 05-2071

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$211
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Gates Radiator Hose Upper - 05-2269

Gates Radiator Hose Upper - 05-2269

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$64
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Gates Radiator Hose Lower - 05-1434

Gates Radiator Hose Lower - 05-1434

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$40
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Gates Radiator Hose Upper - 05-0732

Gates Radiator Hose Upper - 05-0732

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$38
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Gates Radiator Hose - 05-2086

Gates Radiator Hose - 05-2086

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$59
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Mackay Radiator Hose Upper - CH3375

Mackay Radiator Hose Upper - CH3375

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$32
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Gates Radiator Hose Upper - 05-1817

Gates Radiator Hose Upper - 05-1817

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$38
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Gates Radiator Hose - 05-2217

Gates Radiator Hose - 05-2217

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$111
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Gates Radiator Hose Upper - 05-2227

Gates Radiator Hose Upper - 05-2227

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$64
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Gates Radiator Hose - 05-4108

Gates Radiator Hose - 05-4108

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$115
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Gates Radiator Hose - 05-2084

Gates Radiator Hose - 05-2084

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$95
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Gates Radiator Hose Lower - 05-0637

Gates Radiator Hose Lower - 05-0637

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$67
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Gates Radiator Hose - 05-1818

Gates Radiator Hose - 05-1818

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$57
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Gates Radiator Hose - 05-2046

Gates Radiator Hose - 05-2046

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$121
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Gates Radiator Hose Lower - 05-0767

Gates Radiator Hose Lower - 05-0767

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$77
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Gates Radiator Hose - 05-2303

Gates Radiator Hose - 05-2303

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$61
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Gates Radiator Hose Upper - 05-2163

Gates Radiator Hose Upper - 05-2163

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$81
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Gates Radiator Hose Upper - 05-2216

Gates Radiator Hose Upper - 05-2216

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$57
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Gates Radiator Hose Lower - 05-0594

Gates Radiator Hose Lower - 05-0594

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$38
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Gates Radiator Hose Lower - 05-0869

Gates Radiator Hose Lower - 05-0869

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$35
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Gates Radiator Hose Lower - 05-1500

Gates Radiator Hose Lower - 05-1500

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$60
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Gates Radiator Hose Upper - 05-0931

Gates Radiator Hose Upper - 05-0931

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$60
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Gates Radiator Hose Upper - 05-0852

Gates Radiator Hose Upper - 05-0852

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$55
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Gates Radiator Hose Upper - 05-2167

Gates Radiator Hose Upper - 05-2167

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$81
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Showing 1 - 39 of 3060 products

2018 Lexus IS Radiator Hose: Purpose, Maintenance and Replacement Tips

The 2018 Lexus IS definitely uses radiator hoses as a crucial part of its cooling system. Radiator hoses are essential components that connect the engine to the radiator, allowing coolant to flow and keep the engine operating at the right temperature. Without them, the engine would overheat, which can lead to serious damage or even complete failure.

Radiator hoses in the 2018 Lexus IS are typically made from reinforced rubber or silicone material. These hoses endure a lot of stress because they carry hot coolant under pressure, navigate tight engine bay spaces, and handle constant temperature changes. They are designed to be flexible yet durable, but like any rubber or synthetic part, they do wear out over time. That is why regular inspection and maintenance is a must to keep the cooling system in good health.

Getting to know the role of radiator hoses gives a better understanding of why servicing them is important. The radiator hose connects the engine's coolant outlet to the radiator at the front of the car. When the engine heats up, coolant flows through the hose into the radiator to get cooled down before circulating back to the engine. This process keeps the engine within a safe operating temperature and prevents overheating, which can cause warped cylinder heads, blown head gaskets or complete engine shutdown.

When it comes to maintaining the 2018 Lexus IS radiator hoses, drivers should regularly investigate them during routine servicing or oil changes. Common signs that these hoses might need attention include visible cracks, bulges, stiffness, soft spots or coolant leaks around hose connections. If any of these symptoms appear, it's wise to have the hoses checked by an experienced mechanic or replaced promptly to prevent breakdowns.

Regular replacement intervals for radiator hoses can vary depending on climate, driving style, and general wear. For a 2018 Lexus IS, it's good practice to have hoses inspected every 50,000 kilometres or every 3 to 4 years, whichever comes first. This helps avoid unexpected hose failures and ensures the cooling system functions optimally all year round.

When replacing radiator hoses on a Lexus IS, some key points should be considered:

  • Use OEM (Original Equipment Manufacturer) hoses or high-quality aftermarket parts designed specifically for the 2018 Lexus IS. This ensures proper fitment and durability.
  • Replace hose clamps at the same time to maintain secure connections and avoid leaks.
  • Drain the cooling system before removing old hoses to prevent spills and messes in the engine bay.
  • After fitting new hoses, refill the coolant and bleed the system to remove air pockets for efficient cooling performance.

Neglecting radiator hose maintenance can cause minor issues to escalate quickly. A burst or leaking hose can lead to rapid coolant loss and engine overheating, often leaving the driver stranded. Even if the car isn't showing obvious trouble signs, internal hose degradation can still cause coolant seepage or reduced coolant flow, compromising engine health little by little.

Besides visual checks, some garages offer pressure testing or thermal imaging diagnostics to find hidden radiator hose problems. These techniques can reveal weak spots that are not easily visible but may fail under stress later on. Taking advantage of such advanced inspections can save on costly repairs and keep the 2018 Lexus IS running smoothly for years.

In everyday driving conditions, it helps to keep an eye on the vehicle's temperature gauge. If the gauge reads higher than normal or fluctuates unexpectedly, it might hint at cooling system issues related to hoses or other components. Similarly, noticing a sweet smell or puddles of coolant underneath the car should prompt immediate inspection of radiator hoses and the entire cooling system.

Lastly, drivers should be aware that extreme weather conditions, such as harsh Australian summers or cold winters, accelerate radiator hose wear. Heat causes rubber to harden and crack over time, while cold temperatures can lead to brittleness. Combining temperature stresses with engine vibrations makes radiator hose maintenance an important part of caring for a 2018 Lexus IS.

Looking after radiator hoses is one of the easiest and most cost-effective ways to protect the engine and ensure your Lexus IS performs at its best. Getting familiar with the hoses' condition, replacing them when needed, and using quality components preserve the reliability and safety of the car's cooling system without hassle.