The Perkins T418420 Piston Ring Set is a genuine OEM component designed for Perkins 1100 Series engines, specifically for models like the 1104D-E44T. This set provides essential sealing for the combustion chamber, preventing gas leakage and controlling oil consumption. Manufactured to Perkins' exacting standards, these piston rings ensure reliable engine performance, maintain compression, and contribute to the longevity of the engine. It is a critical component for engine overhaul or repair, ensuring proper fit and function within the engine's cylinders.