Answer
Mar 20, 2026 - 02:33 PM
The billet back cover has the fuel line ports just like the stock FICM. These are designed to bolt right in without any modifications.
Were do fuel lines connect Diamond T New FICM for Chevy/GMC (2001-04) 6.6L Duramax LB7
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Open Mar 20, 2026 - 05:11 AM
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Diamond T New FICM for Chevy/GMC (2001-04) 6.6L Duramax LB7
Upgrade your 2001-2004 Chevy/GMC 6.6L Duramax LB7 with the all-new, American-made Diamond T FICM. This upgraded, brand-new module delivers unmatched reliability, performance, and comes with a lifetime warranty.
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