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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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5WA121251D - : Radiator for Audi Image

Radiator

A3. 1.4L, engine cooling. Primary.
$234.74
MSRP $306.85
Save $72.11
23.5% Off
9J1121251A - : Radiator for Audi Image

Radiator

Radiator.
$503.47
MSRP $663.33
Save $159.86
24.1% Off
8W0121251AB - : Radiator for Audi Image

Radiator

Q7. A6 Quattro. A7 sportback. Q8. 2020-22, main. 3.0L, main. A6 allroad. A7 Quattro. SQ5 Sportback. Radiator.
$450.34
MSRP $593.33
Save $142.99
24.1% Off
4S0121252B - : Radiator for Audi Image

Radiator

Radiator.
$597.08
MSRP $786.67
Save $189.59
24.1% Off
1EA121251B - : Radiator for Audi Image

Radiator

Awd. Q4 e-tron Sportback. Rwd.
$274.10
MSRP $358.30
Save $84.20
23.5% Off
4H0121251E - : Radiator for Audi Image

Radiator

Primary. Fits A8, S7 Sportback, S8 4.0 Liter, Primary, S8, S8 Plus. S8. S8. Primary. Radiator.
$515.73
MSRP $679.48
Save $163.75
24.1% Off
8K0121251H - : Radiator for Audi Image

Radiator

A6. A7. S5. S4. A5. Without oil cooler. 3.0L, with manual trans. 3.2L, manual trans. A4. Radiator.
$442.74
MSRP $583.32
Save $140.58
24.1% Off
4K0121251E - : Radiator for Audi Image

Radiator

Main. RS6 avant. RS7 sportback. Radiator.
$642.62
MSRP $846.67
Save $204.05
24.1% Off
8K0121251AL - : Radiator for Audi Image

Radiator

Engine Cooling. Fits A4, A5, Q5, S4, S5, SQ5 3.0 Liter Diesel. 3.0 Liter Gas. 3.0 Liter, Main. 3.0 Liter, w/Auto Trans. 3.2 Liter. 3.2...
$498.41
MSRP $656.68
Save $158.27
24.1% Off
4F0145804K - : Radiator for Audi Image

Radiator

3.0L, front. Radiator.
$416.19
MSRP $548.33
Save $132.14
24.1% Off
17117551635 - : Radiator for BMW Image

Radiator

Z4. Auto trans. Radiator.
$612.82
MSRP $756.94
Save $144.12
19% Off
17112284244 - : Radiator for BMW Image

Radiator

M6. Secondary. M5. Outer. Radiator.
$649.19
MSRP $884.81
Save $235.62
26.6% Off
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