The Perkins 2656F211 is a genuine OEM fuel filter head designed for various Perkins 400 Series diesel engines. This critical component ensures proper mounting and connection for the fuel filter, maintaining clean fuel delivery to the engine. Manufactured to Perkins' stringent quality standards, it provides reliable performance and durability for agricultural, construction, and industrial applications. It is compatible with specific 400 Series engine models including 403D-11, 403D-15, 403D-15T, 403D-17, 404D-15, 404D-22, 404D-22T, and 404D-22TA.