Introducing our top-grade engine piston with part numbers 3645958/3640474/4066543, specially designed for the powerful Cummins QSK60 Engine. Manufactured in our state-of-the-art factory, we guarantee exceptional quality, durability, and reliability. Our competitively priced product ensures incredible value without compromising on performance. Crafted with precision, this engine piston optimizes fuel efficiency, reduces emissions, and enhances overall engine performance. Trust our factory's expertise and choose a piston that meets the highest industry standards.