a strut top mount utilizing a mount dome including lightweight polymeric material for the primary structural member as a replacement for the steel material that is traditionally used . the utilization of the polymeric material is possible because the factors associated with strut top mount stresses are successfully managed by a strategic geometric arrangement of the components thereof and the body structure to which it interfaces , as for example by the mount dome being configured to seat in abutting relation to a support shell of the strut tower , wherein the polymeric material is placed under compression . a load bypass is provided in the event of a maximum jounce event .