Skip to content Skip to navigation menu

Your Selected Vehicle

Brands

Show More Show Less

Price

Parts for your 2021 Lexus Is-Coolant

Sort by
VDO Low Water Level Probe 30mm Long - 230.058
VDO

VDO Low Water Level Probe 30mm Long - 230.058

$143
Fitment Notes:
See More
Goss Transmission Cooler Hose 13mm x 60m - TCH130L600

Goss Transmission Cooler Hose 13mm x 60m - TCH130L600

$2,082
Fitment Notes:
See More
Goss Transmission Cooler Hose 10mm x 15m - TCH100L150

Goss Transmission Cooler Hose 10mm x 15m - TCH100L150

$206
Fitment Notes:
See More
Goss Transmission Cooler Hose 13mm x 5m - TCH130L50

Goss Transmission Cooler Hose 13mm x 5m - TCH130L50

$116
Fitment Notes:
See More
Goss Vacuum Hose 3MMx15M PerM - VT30L150M

Goss Vacuum Hose 3MMx15M PerM - VT30L150M

$13
Fitment Notes:
See More

Explore 4WD & Adventure

Goss Transmission Cooler Hose 10mm x 30m - TCH100L300

Goss Transmission Cooler Hose 10mm x 30m - TCH100L300

$344
Fitment Notes:
See More
Goss Transmission Cooler Hose 8mm x 15m - TCH80L150

Goss Transmission Cooler Hose 8mm x 15m - TCH80L150

$155
Fitment Notes:
See More
Goss Transmission Cooler Hose 8mm x 5m - TCH80L50

Goss Transmission Cooler Hose 8mm x 5m - TCH80L50

$87
Fitment Notes:
See More
Goss Transmission Cooler Hose 13mm x 3m - TCH130L30

Goss Transmission Cooler Hose 13mm x 3m - TCH130L30

$89
Fitment Notes:
See More
Redarc Probe Kit for LCA1224 - LCAPROB

Redarc Probe Kit for LCA1224 - LCAPROB

$92
Fitment Notes:
See More
Goss Fuel Injection Hose 10MMx1M - FI100L10

Goss Fuel Injection Hose 10MMx1M - FI100L10

$41
Fitment Notes:
See More
Goss Elbow Connector Twin Pack - 3mm / 5mm - E03

Goss Elbow Connector Twin Pack - 3mm / 5mm - E03

$31
Fitment Notes:
See More
GossFuel Emiss Hose 6.5MM x 1M - FH65L10

GossFuel Emiss Hose 6.5MM x 1M - FH65L10

$17
Fitment Notes:
See More
Goss Fuel Inj Hose 8MMx5M - FI80L50

Goss Fuel Inj Hose 8MMx5M - FI80L50

$115
Fitment Notes:
See More
Goss Fuel Emiss Hose 3MMx5M - FH30L50

Goss Fuel Emiss Hose 3MMx5M - FH30L50

$98
Fitment Notes:
See More
Goss Fuel Emiss Hose 6MMx5M - FH60L50

Goss Fuel Emiss Hose 6MMx5M - FH60L50

$107
Fitment Notes:
See More
GossFuel Emiss Hose (1/2) 12.5MM x 1M - FH125L10

GossFuel Emiss Hose (1/2) 12.5MM x 1M - FH125L10

$38
Fitment Notes:
See More
Motogard Medium Funnel 7460 150mm - MGMF

Motogard Medium Funnel 7460 150mm - MGMF

$14
Fitment Notes:
See More
Goss Fuel Emiss Hose 5MMx5M - FH50L50

Goss Fuel Emiss Hose 5MMx5M - FH50L50

$115
Fitment Notes:
See More
Goss Elbow Connector Twin Pack - 5mm - E01

Goss Elbow Connector Twin Pack - 5mm - E01

$31
Fitment Notes:
See More
Goss Fuel Inj Hose 10MMx5M - FI100L50

Goss Fuel Inj Hose 10MMx5M - FI100L50

$171
Fitment Notes:
See More
Goss Fuel Emiss Hose 8MMx5M - FH80L50

Goss Fuel Emiss Hose 8MMx5M - FH80L50

$108
Fitment Notes:
See More
Goss Fuel Inj Hose 8MMx15M PerM - FI80L150M

Goss Fuel Inj Hose 8MMx15M PerM - FI80L150M

$42
Fitment Notes:
See More
GossFuel Injection Hose 6.5MM x 1M - FI65L10

GossFuel Injection Hose 6.5MM x 1M - FI65L10

$31
Fitment Notes:
See More
Goss Fuel Emiss Hose 5MMx30M - FH50L300

Goss Fuel Emiss Hose 5MMx30M - FH50L300

$517
Fitment Notes:
See More
Gates Hose Cutter up to 3in ID - 91143

Gates Hose Cutter up to 3in ID - 91143

$213
Fitment Notes:
See More
Gates Hose Cutter Replacement Blade - 91144

Gates Hose Cutter Replacement Blade - 91144

$204
Fitment Notes:
See More
Goss Fuel Emiss Hose 10MMx5M - FH100L50

Goss Fuel Emiss Hose 10MMx5M - FH100L50

$161
Fitment Notes:
See More
GossFuel Inj Hose 9.5MMx1M - FI65L50

GossFuel Inj Hose 9.5MMx1M - FI65L50

$153
Fitment Notes:
See More
GossFuel Emiss Hose 9.5MMx1M - FH65L50

GossFuel Emiss Hose 9.5MMx1M - FH65L50

$135
Fitment Notes:
See More
Goss Fuel Inj Hose 10MMx15M PerM - FI100L150M

Goss Fuel Inj Hose 10MMx15M PerM - FI100L150M

$46
Fitment Notes:
See More
Toledo Thermometer 0-220 Deg Farenheit - 308002

Toledo Thermometer 0-220 Deg Farenheit - 308002

$36
Fitment Notes:
See More
Goss Fuel Emiss Hose 3MMx15M PerM - FH30L150M

Goss Fuel Emiss Hose 3MMx15M PerM - FH30L150M

$19
Fitment Notes:
See More
Repco Radiator Stop Leak 500ml - RRADSTOP500
Clearance

Repco Radiator Stop Leak 500ml - RRADSTOP500

$2
Fitment Notes:
See More
Showing 79 - 117 of 118 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.