Cummins Inc. designs, manufactures, sells and services diesel and alternative fuel engines from 2.8 to 95 liters, diesel and alternative-fueled electrical generator sets from 2.5 to 3,500 kW, as well as related components and technology. The online US shopping site shopcummins.com is your one-stop shop for Fleetguard Filters & Coolant, Valvoline Premium Blue Oil, Webasto Heaters, Power Service Fuel Additives, Maintenance Kits and many other products. Get Free shipping in the United States on qualifying orders of $100 or more. Free pickup from Cummins Sales and Service locations across the United States. We offer hassle free Returns on all products.