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Parts for your 2012 Lexus Is-Coolant

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Goss Fuel Emiss Hose 6MMx15M PerM - FH60L150M

Goss Fuel Emiss Hose 6MMx15M PerM - FH60L150M

$19
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Mechpro 3 in 1 Funnel with Strainer - MPF3IN1

Mechpro 3 in 1 Funnel with Strainer - MPF3IN1

$15
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Irontite Coolant System Sealer 600g - 960101

Irontite Coolant System Sealer 600g - 960101

$67
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Goss Transmission Cooler Hose 8mm x 1m - TCH80L10

Goss Transmission Cooler Hose 8mm x 1m - TCH80L10

$22
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Nulon Radiator Flush & Clean 300mL - R40
Clearance

Nulon Radiator Flush & Clean 300mL - R40

$18
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Toledo Coolant Filler Funnel Set - 305092

Toledo Coolant Filler Funnel Set - 305092

$224
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Explore 4WD & Adventure

Bedia Liquid Level Coolant Probe - 320408

Bedia Liquid Level Coolant Probe - 320408

$643
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Goss FuelcInjection Hose 8MMx 1M - FI80L10

Goss FuelcInjection Hose 8MMx 1M - FI80L10

$32
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Mechpro Multi-Purpose Funnel - MPFMULTI

Mechpro Multi-Purpose Funnel - MPFMULTI

$6
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Repco Radiator Cooling System Kit - RTT1019

Repco Radiator Cooling System Kit - RTT1019

$906
Fitment Notes:
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GossFuel Emiss Hose (1/4) 6MM x 1M - FH60L10

GossFuel Emiss Hose (1/4) 6MM x 1M - FH60L10

$17
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VDO Temperature Sensor 1/8 - 27NPT Stud Terminals - 320.093
VDO

VDO Temperature Sensor 1/8 - 27NPT Stud Terminals - 320.093

$75
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Goss Transmission Cooler Hose 10mm x 1m - TCH100L10

Goss Transmission Cooler Hose 10mm x 1m - TCH100L10

$24
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GossFuel Emiss Hose (3/8) 10MM x 1M - FH100L10

GossFuel Emiss Hose (3/8) 10MM x 1M - FH100L10

$21
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Repco Oil Extractor 6L - ROE6L

Repco Oil Extractor 6L - ROE6L

$253
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Mechpro Giant Funnel - MPFGNT
Clearance

Mechpro Giant Funnel - MPFGNT

$5
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Wynn's Radiator Flush 325mL - 65332
Clearance

Wynn's Radiator Flush 325mL - 65332

$25
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Penrite Radiator Oil Remover 375ml - ADROR375

Penrite Radiator Oil Remover 375ml - ADROR375

$35
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Mechpro Super Quick Fill Funnel - MPFQUICK

Mechpro Super Quick Fill Funnel - MPFQUICK

$17
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Repco Heater Tap Valve - RHV4008

Repco Heater Tap Valve - RHV4008

$109
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Mechpro Square Locking Funnel - MPFSQU

Mechpro Square Locking Funnel - MPFSQU

$8
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Tru-Flow Heater Tap Valve - TFT4008

Tru-Flow Heater Tap Valve - TFT4008

$71
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GossFuel Emiss Hose (5/32) 4MM x 1M - FH40L10

GossFuel Emiss Hose (5/32) 4MM x 1M - FH40L10

$15
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Toledo Low Profile Oil Drain Pan 20L - 305089

Toledo Low Profile Oil Drain Pan 20L - 305089

$302
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Goss Brake Vaccum Hose 12MMx15M-PerM - BV120L150M

Goss Brake Vaccum Hose 12MMx15M-PerM - BV120L150M

$35
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Goss Brake Vacuum Hose 9MMx15M PerM - BV90L150M

Goss Brake Vacuum Hose 9MMx15M PerM - BV90L150M

$31
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GossFuel Emiss Hose (1/8) 3MM x 1M - FH30L10

GossFuel Emiss Hose (1/8) 3MM x 1M - FH30L10

$22
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Mackay Heater Tap Valve - Camry 92-97 Lexus - HV3020M

Mackay Heater Tap Valve - Camry 92-97 Lexus - HV3020M

$108
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Goss Fuel Emiss Hose 4MMx5M - FH40L50

Goss Fuel Emiss Hose 4MMx5M - FH40L50

$67
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Goss Transmission Cooler Hose 10mm x 5m - TCH100L50

Goss Transmission Cooler Hose 10mm x 5m - TCH100L50

$80
Fitment Notes:
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Gates Radiator Hose Lower - 23287

Gates Radiator Hose Lower - 23287

Confirm Vehicle
$79
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Gates Radiator Hose Upper - 05-2279

Gates Radiator Hose Upper - 05-2279

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$57
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Goss Fuel Emiss Hose 5MMx15M PerM - FH50L150M

Goss Fuel Emiss Hose 5MMx15M PerM - FH50L150M

$19
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VDO Temperature Switch 1/4 - NPTF - 320.714
VDO

VDO Temperature Switch 1/4 - NPTF - 320.714

$644
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Showing 40 - 78 of 119 products

Coolant and Its Role in the 2012 Lexus IS

When it comes to the 2012 Lexus IS, coolant is definitely a relevant and essential component of the vehicle's overall functioning. Like most modern cars with internal combustion engines, the Lexus IS relies on a liquid coolant to keep the engine from overheating and to maintain optimal operating temperatures. Without coolant, the engine would quickly run too hot, leading to potential damage and costly repairs.

Coolant, also commonly known as antifreeze, is a specially formulated liquid that circulates through the engine and radiator. Its main job is to absorb the excess heat produced by the engine and then dissipate that heat through the radiator. This process prevents the engine from getting too hot or freezing up in colder conditions. The coolant used in the 2012 Lexus IS is typically a mixture of water and ethylene glycol or propylene glycol, combined with additives that prevent corrosion, scale build-up, and freezing.

One of the key reasons coolant is indispensable for the 2012 Lexus IS is the design of its engine cooling system. The Lexus IS features a high-performance engine that can generate a lot of heat, especially under demanding driving conditions. The coolant ensures the engine remains within a safe temperature range even when the vehicle is pushed hard, like on long highway trips or in hot Australian summer weather. Maintaining the right engine temperature is crucial not only for performance but also for fuel efficiency and emission controls.

For owners of the 2012 Lexus IS, it's important to understand how to look after the coolant system as part of regular servicing. Over time, the effectiveness of coolant deteriorates because of chemical breakdown and contamination. This degradation can lead to corrosion inside the engine, reduced heat transfer efficiency, and potential blockages in the cooling system. That is why scheduled coolant replacement is a vital maintenance task.

Lexus generally recommends having the coolant checked regularly and replaced approximately every 100,000 kilometres or around every 5 years, whichever comes first. However, it's always best to consult the specific maintenance schedule provided in the vehicle's handbook or by an authorised Lexus mechanic. Neglecting this service can increase the risk of overheating, which can cause serious engine damage and lead to a hefty repair bill.

The replacement process usually involves draining the old coolant, flushing the cooling system to remove any accumulated debris and contaminants, and then refilling it with fresh coolant that meets Lexus specifications. Using the right type of coolant is crucial because off-spec or incompatible antifreeze can cause gasket failure, corrosion, or even clog the radiator and heater cores.

Besides the replacement interval, it's a smart idea for drivers of the 2012 Lexus IS to routinely check the coolant level themselves, especially before long trips or during seasons with extreme temperatures. The coolant reservoir is typically translucent with level markings, making it easy to monitor. If the level is low, topping it up with the correct coolant mix can prevent unwanted overheating. However, if frequent topping up is required, this might signal a leak or internal issue that should be inspected by a mechanic promptly.

Another factor to keep in mind is the environment in which the Lexus IS operates. Australian roads and climates can be harsh with high temperatures, dust, and varied terrain. These conditions can accelerate coolant breakdown and wear on the cooling system's components like hoses, radiator caps, and the thermostat. During routine servicing, mechanics will also examine these parts for signs of wear and replace them if necessary to ensure the cooling system remains reliable.

Using coolant that includes corrosion inhibitors is vital for protecting the metal components inside the engine and radiator. The 2012 Lexus IS's cooling system contains aluminium and other metals that can corrode if exposed to plain water or degraded coolant. Corrosion can cause leaks and reduce cooling efficiency, so keeping the coolant quality high is a simple way to extend the life of the engine and avoid costly repairs down the track.

All up, the coolant system in the 2012 Lexus IS plays a critical role in keeping this luxury sedan running smoothly and efficiently. Regular coolant maintenance is one of those small but important jobs that can save a lot of stress and money over the life of the vehicle. Whether a seasoned Lexus owner or someone new to the brand, paying attention to the cooling system and sticking to recommended service intervals is a smart move for ongoing reliability and performance.

So if you're ready to keep your 2012 Lexus IS in top shape, don't overlook the humble coolant system. A little bit of care with coolant checks, timely replacement, and using the right product keeps the engine cool, the drives smooth, and the journey trouble-free.