Volvo Penta Stuffing Box for shaft diameter of 30mm and a sleeve diameter of 48mm. On the seal edge is part number 828416.This is the moulded packing or stuffing box for the prop shaft. Simple, This packing box is specifically dimensioned for Volvo Penta propeller shafts and sleeves. Supplied complete with installation tools and a tube of grease.Shaft Diameter: 30mmSleeve Diameter: 48mm (Tolerance +0.5/ -0.3)Measurement A: 36mmMeasurement B: 72mmVolvo Penta Part No: 828422. (828416 on the seal)