This engine piston is specially designed to fit the Cummins Diesel Engine M11 QSM ISM. It is made in China and comes in a unit quantity of one. The part type is a piston and it is suitable for use in heavy equipment. The piston is compatible with various models and can be used in a range of heavy equipment, making it a versatile choice for those in the industrial sector. It is a high-quality part that will ensure the smooth functioning of your engine.