Caterpillar 3400 Fuel Injector View cart “Duramax Chevy / GMC 6.6L LMM 2007-2010” has been added to your cart. $5.00 Caterpillar 3400 Fuel Injector quantity Sell us this item Category: Injectors Related products CATERPILLAR 3406/C15 $40.00 Sell us this item Cummins STC $10.00 Sell us this item CATERPILLAR 3116 Injector $10.00 Sell us this item Cummins 8.3L Common Rail Injector $6.00 Sell us this item