The Freightliner, International, Kenworth, and Oshkosh Motor Truck Co. 2010 to 2013 Fuel Injector O-Ring Kit is an ideal replacement for specified engines. This kit includes 6 black rubber O-rings and 6 copper cups, with dimensions of 1.36 inch inside diameter, 1.57 inch outside diameter, and 0.103 inch thickness. Made from quality materials, it resists damage from fuel, oil, and extreme temperatures. This cost-effective solution offers original equipment quality at a competitive price. Quality tested and designed for Cummins ISX 15.0 engines, it fits most Freightliner, International, Kenworth, and Oshkosh Motor Truck Co. models from 2010 to 2013.