$645.20
Built for heavy-duty electrical demands; exact factory fitment.
GM
Duramax
2007.5-2010
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Reliable charging; high-performance internal fans.
3.0 HP motor; improved cranking efficiency.
Replacement for single relay systems; restores grid heater function.
High-temp sheathing; direct-fit repair for dual relay systems.
Subtotal: $669.79
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