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Diamond T Remanufactured FICM for Chevy/GMC (2004-05) 6.6L Duramax LLY
Upgrade your 2004-2005 Chevy/GMC 6.6L Duramax LLY with the Diamond T FICM-overhauled to exceed OEM standards, plug-and-play, free programming, and backed by a lifetime warranty.
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