Left.3 mm. Left.all. Rear. Right.3 mm. Right.all. Spring seat ring. An item used to insulate vehicles against vibrations. Coil Spring Insulator. Suspension Strut Mount Reinforcement. Base. Coil Spacer. Damper. Insert. Insulator. Pad. Plate. Rest. Retainer. Ring. Stop. Strut packing. Suspension Strut Mount Reinforcement.