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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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17118625447 - : Auxiliary Radiator for BMW Image

Auxiliary Radiator

Radiator.
$270.48
MSRP $368.66
Save $98.18
26.6% Off
17118620207 - : Auxiliary Radiator for BMW Image

Auxiliary Radiator

Radiator.
$378.70
MSRP $516.16
Save $137.46
26.6% Off
17112284608 - : Auxiliary Radiator for BMW Image

Auxiliary Radiator

I8. Secondary. M2. Competition. Center. Cs. 3.0L, with M4, outer. Radiator.
$386.41
MSRP $526.66
Save $140.25
26.6% Off
17112284603 - : Auxiliary Radiator for BMW Image

Auxiliary Radiator

Left. M4. M2. Competition. Outer. Cs. Radiator.
$309.15
MSRP $421.36
Save $112.21
26.6% Off
17117649143 - : Auxiliary Radiator for BMW Image

Auxiliary Radiator

Battery cooling, inner. I8. Secondary.
$631.15
MSRP $860.22
Save $229.07
26.6% Off
17119847023 - : Auxiliary Radiator for BMW Image

Auxiliary Radiator

2023, auxiliary radiator. Radiator.
$283.36
MSRP $386.21
Save $102.85
26.6% Off
17112284604 - : Auxiliary Radiator for BMW Image

Auxiliary Radiator

Right. M4. M2. Competition. Outer. Cs. Radiator.
$309.15
MSRP $421.36
Save $112.21
26.6% Off
17118625431 - : Auxiliary Radiator for BMW Image

Auxiliary Radiator

330e. Secondary. Without hybrid, without M3, 2016-18, front. 2017-18, with hybrid, auxiliary cooling components. M240i, M240i xDrive....
$429.34
MSRP $585.17
Save $155.83
26.6% Off
17117586544 - : Auxiliary Radiator for BMW Image

Auxiliary Radiator

X6. 3.0L turbo diesel. Secondary. 4.4L turbo, auxiliary, without X5 M. Radiator.
$324.57
MSRP $442.38
Save $117.81
26.6% Off
17112284277 - : Auxiliary Radiator for BMW Image

Auxiliary Radiator

Engine Cooling. With m model, auxiliary. M6. Left. Radiator.
$360.66
MSRP $491.57
Save $130.91
26.6% Off
17118095285 - : Auxiliary Radiator for BMW Image

Auxiliary Radiator

M3. External. M4. Radiator. This item is non-returnable.
$540.98
MSRP $737.33
Save $196.35
26.6% Off
17117807624 - : Radiator Assembly for BMW Image

Radiator Assembly

X5. X6. 3.0L turbo gas, to 3/2016. 3.0L turbo diesel, to 3/2016. Radiator.
$601.08
MSRP $819.24
Save $218.16
26.6% Off
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