Skip to content Skip to navigation menu

Your Selected Vehicle

Brands

Show More Show Less

Price

Parts for your 2015 Lexus Is-Radiator

Sort by
Mahle Radiator OE Quality - CR1090000P

Mahle Radiator OE Quality - CR1090000P

Confirm Vehicle
$1,135
Fitment Notes:
See More
Denso Radiator OE Quality - A221-A345

Denso Radiator OE Quality - A221-A345

Confirm Vehicle
$415
Fitment Notes:
See More
Mahle Radiator OE Quality - CR608000P

Mahle Radiator OE Quality - CR608000P

Confirm Vehicle
$578
Fitment Notes:
See More
Mahle Radiator OE Quality - CR511000P

Mahle Radiator OE Quality - CR511000P

Confirm Vehicle
$964
Fitment Notes:
See More
Mahle Radiator OE Quality - CR1348000P

Mahle Radiator OE Quality - CR1348000P

Confirm Vehicle
$1,067
Fitment Notes:
See More

Explore 4WD & Adventure

Mahle Radiator OE Quality - CR1191000S

Mahle Radiator OE Quality - CR1191000S

Confirm Vehicle
$1,176
Fitment Notes:
See More
Mahle Radiator OE Quality - CR565000S

Mahle Radiator OE Quality - CR565000S

Confirm Vehicle
$727
Fitment Notes:
See More
Doowon Radiator OE Quality - RAD2146D

Doowon Radiator OE Quality - RAD2146D

Confirm Vehicle
$513
Fitment Notes:
See More
Mahle Radiator OE Quality - CR1705000P

Mahle Radiator OE Quality - CR1705000P

Confirm Vehicle
$1,624
Fitment Notes:
See More
Mahle Radiator OE Quality - CR1096000P

Mahle Radiator OE Quality - CR1096000P

Confirm Vehicle
$703
Fitment Notes:
See More
Mahle Radiator OE Quality - CR1123000P

Mahle Radiator OE Quality - CR1123000P

Confirm Vehicle
$842
Fitment Notes:
See More
Mahle Radiator OE Quality - CR983000S

Mahle Radiator OE Quality - CR983000S

Confirm Vehicle
$727
Fitment Notes:
See More
Mahle Radiator OE Quality - CR1176000S

Mahle Radiator OE Quality - CR1176000S

Confirm Vehicle
$1,390
Fitment Notes:
See More
Mahle Radiator OE Quality - CR385000P

Mahle Radiator OE Quality - CR385000P

Confirm Vehicle
$1,220
Fitment Notes:
See More
Mahle Radiator OE Quality - CR1355000P

Mahle Radiator OE Quality - CR1355000P

Confirm Vehicle
$662
Fitment Notes:
See More
Mahle Radiator OE Quality - CR1133000P

Mahle Radiator OE Quality - CR1133000P

Confirm Vehicle
$1,447
Fitment Notes:
See More
Mahle Radiator OE Quality - CR551000P

Mahle Radiator OE Quality - CR551000P

Confirm Vehicle
$1,864
Fitment Notes:
See More
Mahle Radiator OE Quality - CR790000S

Mahle Radiator OE Quality - CR790000S

Confirm Vehicle
$2,640
Fitment Notes:
See More
Mahle Radiator OE Quality - CR1792000S

Mahle Radiator OE Quality - CR1792000S

Confirm Vehicle
$1,150
Fitment Notes:
See More
Mahle Radiator OE Quality - CR1173000P

Mahle Radiator OE Quality - CR1173000P

Confirm Vehicle
$2,870
Fitment Notes:
See More
Mahle Radiator OE Quality - CR1547000S

Mahle Radiator OE Quality - CR1547000S

Confirm Vehicle
$1,082
Fitment Notes:
See More
Mahle Radiator OE Quality - CR1095000P

Mahle Radiator OE Quality - CR1095000P

Confirm Vehicle
$664
Fitment Notes:
See More
Mahle Radiator OE Quality - CR911000P

Mahle Radiator OE Quality - CR911000P

Confirm Vehicle
$1,022
Fitment Notes:
See More
Mahle Radiator OE Quality - CR1203000S

Mahle Radiator OE Quality - CR1203000S

Confirm Vehicle
$901
Fitment Notes:
See More
FloKool Radiator - RAD2041

FloKool Radiator - RAD2041

Confirm Vehicle
$265
Fitment Notes:
See More
Mahle Radiator OE Quality - CR1684000P

Mahle Radiator OE Quality - CR1684000P

Confirm Vehicle
$1,837
Fitment Notes:
See More
Showing 1 - 39 of 4165 products

Understanding the Radiator in the 2015 Lexus IS

The 2015 Lexus IS is a popular luxury sedan known for its sporty performance and elegant design. Like most internal combustion engine vehicles, the 2015 Lexus IS is fitted with a radiator as a crucial component of its cooling system. The radiator plays an essential role in keeping the engine running smoothly and preventing overheating, especially during demanding driving conditions or hotter Aussie summers.

Simply put, the radiator in the 2015 Lexus IS works as a heat exchanger. Its job is to dissipate the heat generated by the engine to avoid any damage caused by excessive temperatures. The engine produces a lot of heat by burning fuel, and if that heat is not properly managed, it can lead to serious damage or even engine failure. That is where the radiator comes in, transferring heat from the engine coolant to the outside air.

The engine coolant, a mixture of water and antifreeze, circulates through the engine, absorbing heat. Once this heating has occurred, the hot coolant flows through the radiator, which consists of a series of thin tubes and fins designed to maximise surface area for cooling. Air flows over these fins, either naturally as the vehicle moves or aided by electric cooling fans, carrying away the heat. This cycle repeats continuously while the engine is running, ensuring the temperature stays within the manufacturer's recommended range.

Because the radiator is so critical, it's important that it is well maintained and in good working order as part of servicing the 2015 Lexus IS. Over time, radiators can develop leaks, become clogged with rust or sediment, or suffer physical damage from road debris. Any of these issues can reduce the cooling efficiency and potentially cause overheating, which is a common cause of engine problems.

Regular maintenance for the radiator typically includes checking coolant levels and quality. The coolant should be flushed and replaced according to the schedule outlined in the Lexus owner's manual, usually every two to three years. This ensures the coolant remains effective in absorbing heat and prevents corrosion within the radiator and cooling passages.

Inspecting the radiator for leaks, cracks, or blockages is also vital during servicing. Small leaks might show as damp spots under the car or visible coolant residue around the radiator or hoses. Catching these early can save significant repair costs down the track. Additionally, the radiator cap should be checked as it helps maintain the correct pressure in the system - a faulty cap can lead to overheating issues as well.

When it comes to replacement, if the radiator is damaged beyond repair or is severely clogged, it's best to replace it with an OEM or high-quality aftermarket radiator designed specifically for the 2015 Lexus IS. Modern radiators are made from aluminium and plastic, making them both lightweight and efficient. Installation should be done by a qualified mechanic to ensure all connections and seals are properly fitted, preventing leaks and ensuring perfect operation.

On the road, drivers of the 2015 Lexus IS should keep an eye on the temperature gauge on the dashboard. If the needle starts creeping into the red or if warning lights for the engine temperature come on, it could indicate a radiator or cooling system problem. Pulling over safely and allowing the engine to cool down is crucial before investigating further or seeking assistance. Continuing to drive with an overheating engine can cause serious damage.

Overall, the radiator is a fundamental component to the 2015 Lexus IS, helping maintain the longevity and performance of the engine. Treating radiator maintenance as a regular part of your vehicle's servicing schedule will ensure your Lexus stays cool under pressure, enjoying the powerful yet refined drive it was designed to deliver.