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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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22840116 - Cooling System: Radiator for GM Image

Radiator

With engine oil cooler. Auto trans. 4l80e. 4.10 axle ratio. Drive Ratio 4.10. 6.2L, Escalade ESV. Escalade EXT. 6.0L. Hummer H2....
$339.21
MSRP $461.52
Save $122.31
26.5% Off
Fits Your Vehicle
20927279 - Body: Radiator Support for GM Image

Radiator Support

1/2 ton. Helps prevent radiator damage This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
Positions: Front
$729.71
MSRP $988.83
Save $259.12
26.2% Off
Fits Your Vehicle
89019121 - Cooling System: Radiator Insulator for GM Image

Radiator Insulator

5.3l, 6.0l. 6.6L turbo diesel. 8.1L gas. 4.3L. Gas engine. 6.2L. This GM Genuine Part is designed, engineered, and tested to rigorous...
Positions: LEFT, Lower, RIGHT
$30.54
MSRP $40.23
Save $9.69
24.1% Off
Fits Your Vehicle
22827731 - Cooling System: Radiator Inlet Hose for GM Image

Radiator Inlet Hose

Tahoe, Yukon, Escalade. Avalanche, Escalade EXT. Silverado, sierra. 6.0l. Yukon XL, Suburban. Escalade ESV. 4.8, 5.3, 6.0 & 6.2L. This GM...
Positions: Upper
$99.34
MSRP $135.14
Save $35.80
26.5% Off
Fits Your Vehicle
84368363 - Cooling System: Radiator Surge Tank for GM Image

Radiator Surge Tank

Silverado, sierra. Without diesel. 6.0L. 4.8, 5.3, 6.0 & 6.2L. Tahoe, Yukon, Escalade. Avalanche, Escalade EXT. Yukon XL, Suburban....
Backordered
Fits Your Vehicle
22827735 - Cooling System: Radiator Outlet Hose for GM Image

Radiator Outlet Hose

Silverado, sierra. 4.8l, 5.3l, 6.0l, 6.2l. Tahoe, Yukon, Escalade. Avalanche, Escalade EXT. Escalade ESV. Yukon XL, Suburban. All models....
Positions: Lower
$37.20
MSRP $50.61
Save $13.41
26.5% Off
Fits Your Vehicle
11570393 - Cooling System: Multi-Purpose Hose Clamp for GM Image

Multi-Purpose Hose Clamp

Easy to install or remove This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors...
Positions: Lower
$12.83
MSRP $16.52
Save $3.69
22.3% Off
Fits Your Vehicle
22827734 - Cooling System: Radiator Vent Inlet Hose for GM Image

Radiator Vent Inlet Hose

Radiator to Engine. 4.8, 5.3, 6.0 & 6.2L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed...
$66.22
MSRP $88.66
Save $22.44
25.3% Off
Fits Your Vehicle
15208497 - Cooling System: Driver Side Radiator Air Baffle for GM Image

Driver Side Radiator Air Baffle

Outer. , inner. Helps properly direct airflow This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
Positions: Front Left Inner, LEFT
$51.94
MSRP $68.16
Save $16.22
23.8% Off
Fits Your Vehicle
15834773 - Cooling System: Radiator Surge Tank Outlet Hose for GM Image

Radiator Surge Tank Outlet Hose

Heater. 4.8, 5.3, 6.0 & 6.2L, 6.0L. Outlet. Primary HVAC. , with aux. This GM Genuine Part is designed, engineered, and tested to...
Positions: Lower
$109.44
MSRP $146.51
Save $37.07
25.3% Off
Fits Your Vehicle
10392942 - Cooling System: Passenger Side Radiator Support Baffle for GM Image

Passenger Side Radiator Support Baffle

Inner. , outer. Helps properly direct airflow This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
Positions: Front Right Outer, RIGHT
$37.31
MSRP $50.56
Save $13.25
26.2% Off
Fits Your Vehicle
10392941 - Cooling System: Driver Side Radiator Support Baffle for GM Image

Driver Side Radiator Support Baffle

Inner. , outer. Helps properly direct airflow This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
Positions: Front Left Outer, LEFT
$37.31
MSRP $50.56
Save $13.25
26.2% Off
Fits Your Vehicle
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