Cummins ISX Monarch Commonrail Injector View cart “Duramax LB7 Injector” has been added to your cart. $35.00 Cummins ISX Monarch Commonrail Injector quantity Sell us this item Category: Injectors Related products Cummins STC $10.00 Sell us this item CATERPILLAR C7 Injector $35.00 Sell us this item Caterpillar 7000 Injector $1.00 Sell us this item Caterpillar 3500 Fuel Injector $50.00 Sell us this item