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Radiator: Keeping Your Car Cool for the Long Haul

Your vehicle’s engine must operate within a specific temperature range to remain at peak efficiency and prevent damage from excessive heat. In early years, automotive engines relied on ventilation, directing airflow to the engine to keep it cool, but today’s advanced engines require complex cooling systems to regulate their temperature. A key part of this system is the radiator.

The radiator is a large, rectangular component near the front of the engine compartment. It’s comprised of small veins that carry engine coolant — typically a mixture of antifreeze and water — through fins that allow airflow to lower the coolant’s temperature before it heads back to the engine. This cooling, combined with the thermostat and water pump regulating coolant flow, helps control the engine temperature. One essential component in the radiator system is the radiator drain plug, which allows you to safely drain coolant when performing maintenance or repairs.

If the radiator becomes damaged, it can leak, leading to a low-coolant condition and overheating. A radiator can also become clogged due to rust and debris in the cooling system. In either case, replacing the radiator or its parts, including the radiator drain plug, is the best way to ensure your vehicle’s engine doesn’t overheat.

Get a Genuine Replacement Radiator and Parts at AutoNation Parts

If your vehicle’s radiator or its related parts, such as a petcock, radiator drain plug, or support shield, become damaged or fail, timely replacement will ensure no damage occurs to your vehicle’s engine. AutoNation Parts has what you need to keep this from happening with its wide selection of genuine replacement radiators and related parts to restore the cooling system to peak operation.

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1640031870 - : Radiator for Lexus Image

Radiator

Lexus 16400-31870
IS350. Without 5.0l, 3.5l. IS250. IS300. 3.5l. To 10/2017. Radiator.
$266.62
MSRP $336.48
Save $69.86
20.8% Off
1640028581 - : Radiator for Lexus Image

Radiator

Lexus 16400-28581
Hs hybrid. To 02/2011. Engine Cooling. Radiator.
$272.42
MSRP $343.80
Save $71.38
20.8% Off
1640025200 - : Radiator for Lexus Image

Radiator

Lexus 16400-25200
RX350. Japan built. RX500h.
$271.65
MSRP $342.83
Save $71.18
20.8% Off
1640038H10 - : Radiator for Lexus Image

Radiator

Lexus 16400-38H10
IS F. To 03/2011. Radiator.
$401.66
MSRP $528.15
Save $126.49
23.9% Off
1640031A60 - : Radiator for Lexus Image

Radiator

Lexus 16400-31A60
GS450h. From 10/15. 3.5L, with hybrid. Radiator.
$278.72
MSRP $351.75
Save $73.03
20.8% Off
1640037311 - : Radiator for Lexus Image

Radiator

Lexus 16400-37311
250h. Radiator.
$264.51
MSRP $333.82
Save $69.31
20.8% Off
1604120354 - : Radiator for Lexus Image

Radiator

Lexus 16041-20354
RX400h. From 9/05. Radiator.
$341.54
MSRP $449.09
Save $107.55
23.9% Off
160410P180 - : Radiator for Lexus Image

Radiator

Lexus 16041-0P180
RX350. Without towing package. 2007-09, us built, without tow pkg. Radiator.
$348.17
MSRP $457.80
Save $109.63
23.9% Off
1640025141 - : Radiator for Lexus Image

Radiator

Lexus 16400-25141
ES300h. NX350h. Japan built. Without towing package. Radiator.
$221.50
MSRP $291.26
Save $69.76
24% Off
164000A420 - : Radiator for Lexus Image

Radiator

Lexus 16400-0A420
Mark 2032. Radiator.
$289.96
MSRP $365.94
Save $75.98
20.8% Off
1640025130 - : Radiator for Lexus Image

Radiator

Lexus 16400-25130
ES350. From 11/2020. NX250. Awd. Radiator.
$282.03
MSRP $355.93
Save $73.90
20.8% Off
1604131610 - : Radiator for Lexus Image

Radiator

Lexus 16041-31610
RX350. Without towing package. Japan built, standard. Radiator.
$273.96
MSRP $345.74
Save $71.78
20.8% Off
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