Duramax Chevy / GMC 6.6L LLY 2004.5-2005 View cart “Cummins STC” has been added to your cart. $16.00 Duramax Chevy / GMC 6.6L LLY 2004.5-2005 quantity Sell us this item Category: Injectors Related products Ford 6.9L / 7.3L Mechanical Injector $2.00 Sell us this item Cummins ISX Injector-PN 4062567, 4062568, 4062569 $25.00 Sell us this item Cummins 5.9L 24 Valve Mechanical $5.00 Sell us this item CATERPILLAR 3126 Injector $20.00 Sell us this item