7N-7078 Oil Piston Ring (137.16mm Outer Diameter) for Caterpillar 3406B Engine

The Oil Piston Ring 7N-7078, with a precise outer diameter of 137.16mm, is expertly crafted for Caterpillar 3406B engines. This high-performance piston ring ensures efficient oil control and superior combustion sealing, reducing friction and engine wear. Built from premium, heat-resistant materials, it is designed for heavy-duty applications, offering durability and reliable service under demanding operating conditions. Meeting Caterpillar’s OEM specifications, it ensures optimal engine efficiency.