GASKET KIT U5LT0357 – complete, OEM-grade seal set for Perkins 1104/1106 Series engines; precision-cut materials resist oil, coolant and blow-by, ensuring leak-free combustion chambers, water jackets and sump joints. Drop-in fit, no modification; meets OEM torque specs, halves downtime. One box, every gasket, every O-ring—order U5LT0357, button up your rebuild and go the distance.