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Serpentine Belt

Critical For Operation

Engine

Drives the alternator, power steering pump, A/C compressor, and other accessories.

The serpentine belt is a single continuous belt that winds around multiple pulleys to drive engine accessories from the crankshaft. Rubber compound cracks and glazes with heat and age, risking a sudden failure.

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Typical part cost
$15–$50🔒
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Typical labor cost
$40–$100🔒
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Typically lasts
60,000–100,000 mi
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Or about
4.0–6.0 years
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DIY difficulty
4/10

⚠️ Owners Often Notice

If the Serpentine Belt is starting to fail, these are the signs owners most commonly report before it gets worse:

Squealing noise on startup or turns
Visible cracks in the belt
Loss of power steering
Battery not charging
A/C stops working

Related Services

Services commonly performed on or around this part.

Replace Serpentine Belt

No standard interval on file

Clean Serpentine Belt

No standard interval on file

Inspect Serpentine Belt

No standard interval on file