$645.20
Built for heavy-duty electrical demands; exact factory fitment.
GM
Duramax
2007.5-2010
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High-temp sheathing; direct-fit repair for dual relay systems.
Sealed solenoid; fast cranking response.
Increased amperage; direct bolt-on; for heavy loads.
Heavy-duty upgrade; replaces brittle factory wiring.
Subtotal: $958.86
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