The Seal - BRP (324639) protects shafts and bearings from dirt and foreign object ingress as well as oil or grease egress. To keep lubricants from seeping out of the seal even while it's under a lot...
Gasket - BRP (329319) The exact function of a gasket in this regard is to prevent the fluid (liquid or gas) to escape or entering even under high pressure and temperature. They are made of...