A front cross member 202 of a rear subframe 53 has a recessed portion 221 which is recessed continuously over a longitudinal direction thereof. The recessed portion 221 is formed at a lower portion of the cross member 202 and is recessed upwardly, and an elastic bush 240 is fitted in a resulting recess. The elastic bush 240 has an elastic element 243 which connects together an inner tube 241 and an outer tube 242 which surrounds the inner tube 231 and is mounted on the rear subframe 53 at the recessed portion 221 as a bracket. The bracket 221 has bracket plate portions 263a, 263b which each have a plane which is brought into contact with an end face of the inner tube and folded-back portions 235, 235. The bracket 221 is disposed in such a manner as to hold therein both ends of the inner tube 241 and is configured such that the elastic bush 240 is mounted thereon by passing a bolt 224 through the inner tube 241.