REAR UPPER TRAILING ARM BUSHING KIT 46159Part No. 46159 Type SUSPENSION BUSH Brand NOLATHANE Unit of Measure EACH Description Nolathane Rear Upper Trailing Arm Bushing Kit Warranty Unknown Bush Inside Diameter 19mm Bush Length 28mm Bush Outside Diameter 48. 2mm Type Trailing Arm Bush Kit Features The latest in material formulation technology boasts resistance to oil, grease, ozone and weathering. Internal grease reservoirs provide continual self lubrication for optimum friction management.