Looking for a high-quality replacement piston for your 5.9 Cummins 2001-2002? Look no further than the Mahle 224-3354WR.020 Piston Set With Rings. These Piston Rings feature an OE quality construction with the same great OE features, making them a great choice for anyone looking for a reliable replacement piston. Additionally, the o-ring grooves on these pistons help prevent damage and oil leaks, making them a great choice for anyone looking for a durable and long-lasting option.