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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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1656231060 - : Radiator Air Seal for Lexus Image

Radiator Air Seal

Lexus 16562-31060
Without 5.0l. 3.5L. Seal used on the Radiator.
$3.52
MSRP $4.31
Save $0.79
18.3% Off
1657236160 - : Radiator Coolant Hose for Lexus Image

Radiator Coolant Hose

Lexus 16572-36160
NX300h. 2.5L. Flexible hose that is part of the engine cooling system.
$37.79
MSRP $46.56
Save $8.77
18.8% Off
5214133100 - : Radiator Support Bracket for Lexus Image

Radiator Support Bracket

Lexus 52141-33100
A bracket for a radiator support.
$26.78
MSRP $32.75
Save $5.97
18.2% Off
1657231400 - : Radiator Coolant Hose for Lexus Image

Radiator Coolant Hose

Lexus 16572-31400
GS350. RC350. RC300. To 11/2017. Flexible hose that is part of the engine cooling system.
$58.04
MSRP $71.51
Save $13.47
18.8% Off
16595F0470 - : Radiator Support Baffle for Lexus Image

Radiator Support Baffle

Lexus 16595-F0470
Canada built, 2.5l.
$73.92
MSRP $94.79
Save $20.87
22% Off
165930P020 - : Radiator Support Baffle for Lexus Image

Radiator Support Baffle

Lexus 16593-0P020
3.5L, us built. 2.5L US built. Radiator Support Baffle.
$73.92
MSRP $94.79
Save $20.87
22% Off
1657131400 - : Radiator Coolant Hose for Lexus Image

Radiator Coolant Hose

Lexus 16571-31400
LS500h. LC500h. 3.5L. Hybrid, with awd. Flexible hose that is part of the engine cooling system.
$45.35
MSRP $55.87
Save $10.52
18.8% Off
5320133191 - : Radiator Support Panel for Lexus Image

Radiator Support Panel

Lexus 53201-33191
Japan built. Radiator Support Panel.
$501.18
MSRP $659.01
Save $157.83
23.9% Off
5320150042 - : Radiator Support Panel for Lexus Image

Radiator Support Panel

Lexus 53201-50042
With air susp. Radiator Support Panel.
$402.09
MSRP $528.71
Save $126.62
23.9% Off
1655736010 - : Radiator Coolant Hose for Lexus Image

Radiator Coolant Hose

Lexus 16557-36010
2.0L, radiator & components. Flexible hose that is part of the engine cooling system.
$29.55
MSRP $36.41
Save $6.86
18.8% Off
16572AA030 - : Radiator Coolant Hose for Lexus Image

Radiator Coolant Hose

Lexus 16572-AA030
ES330. ES300. Flexible hose that is part of the engine cooling system.
$35.22
MSRP $43.39
Save $8.17
18.8% Off
164410P181 - : Radiator Outlet Tank for Lexus Image

Radiator Outlet Tank

Lexus 16441-0P181
2007-09, us built. Radiator Outlet Tank.
$187.70
MSRP $242.59
Save $54.89
22.6% Off
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