Dorman's Driveshaft Pinion Yoke includes a high-quality seal constructed from a combination of rubber, metal and plastic. The seal prevents lubricant from leaking and protects your vehicle against costly repairs. Product Features:Engineered from cast iron for long-lasting durabilityComes with all installation components for a trouble-free repairDirect replacement for a proper fitVehicle try-on testing conducted on this part ensures trouble-free performance