Monroe 172231 Complete Strut Assembly Pre-Assembled Upper Strut Mount: OE-style bearings, SAE-grade nuts & bolts, Superior rubber-to-steel bonding, Plated steel for durability, All components manufactured to meet or exceed OE performance Bearing Plate: Helps eliminate steering noise associated with worn bearings while also ensuring consistent, precise steering return by eliminating "memory steer" (If equipped - front only) Upper Spring Seat: The upper spring seat is engineered to work with its associated premium Monroe strut, supporting the vehicle's weight and helping the spring in the strut tower to perform properly