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Hybrid/EV Battery Coolant

Critical For Operation

Hybrid/EV System

Regulates temperature of the high-voltage battery pack.

This coolant circulates through a dedicated loop for the hybrid or EV battery pack, keeping cells within their optimal temperature range for performance, longevity, and safety. It's a separate system from engine coolant and degrades similarly over time.

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Typical part cost
$30–$100🔒
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Typical labor cost
$60–$150🔒
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Typically lasts
60,000–100,000 mi
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Or about
5.0–8.0 years
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DIY difficulty
5/10

⚠️ Owners Often Notice

If the Hybrid/EV Battery Coolant is starting to fail, these are the signs owners most commonly report before it gets worse:

Reduced battery range or performance
Battery warning light
Battery overheating alert
Visible coolant leak near the pack

Related Services

Services commonly performed on or around this part.

Add Hybrid/EV Battery Coolant

No standard interval on file

Replace Hybrid/EV Battery Coolant

No standard interval on file

Flush Hybrid/EV Battery Coolant

No standard interval on file