• Durable construction
• Direct replacement for OE part 3803977
• Cummins M11 Engine Application
• Genuine PAI product including a factory 2-Year Warranty
• Quality You Can Trust - PAI has established themselves as the leading supplier of aftermarket heavy duty diesel parts, with quality standards that always meet or exceed OE standards

Features

• DETAIL - PAI piston rings are carefullly designed and feature cutting edge precision. Piston ring specifications are measured in a 3D environment. Finished products are dyno and road tested to ensure the 100% functionality and performance.
• STRENGTH - PAI piston rings are made of industry leading materials and processes. Our piston rings and piston ring components are rigorously tested in heavy duty diesel engines and high stress work environments to certify proper and continuous operation over long periods of time.
• VARIETY - PAI is a market leader of heavy-duty diesel truck parts, and our piston rings and piston ring components are no exception. We have been manufacturing and expanding our product offerings since 1973. If there is a part you need, and we do not have it, there is a good chance we are working diligently to make it.