7N-7078 Oil Piston Ring (137.16mm) for Caterpillar 3406B, 3408, 3408B, and 3412 Engines

The Oil Piston Ring 7N-7078, with a precise 137.16mm outer diameter, is expertly designed for Caterpillar 3406B, 3408, 3408B, and 3412 engines. Made from high-grade, heat-resistant material, this piston ring efficiently regulates oil usage and ensures a tight seal within the combustion chamber. Its robust construction minimizes friction and helps maintain optimal engine performance under demanding conditions. Built to Caterpillar OEM standards, the 7N-7078 piston ring is a critical component for reliable engine maintenance and extended service life.