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Radiator Drain Petcock

Cooling System

Allows the radiator to be drained for coolant changes or repairs.

The radiator drain petcock provides a way to drain the coolant from the radiator during maintenance or repairs, ensuring easy and controlled removal of coolant without making a mess.

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Typical part cost
$5–$20🔒
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Typical labor cost
$50–$100🔒
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Typically lasts
100,000–200,000 mi
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Or about
7.0–10.0 years
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DIY difficulty
2/10

⚠️ Owners Often Notice

If the Radiator Drain Petcock is starting to fail, these are the signs owners most commonly report before it gets worse:

Coolant difficult to drain
Coolant leaks
Radiator not draining

Related Services

Services commonly performed on or around this part.

Replace Radiator Drain Petcock

No standard interval on file

Inspect Radiator Drain Petcock

No standard interval on file