I think this is what you're looking for.
57411A MEMBER, FLOOR SIDE, INNER RH
57411-89103 1 $169.14
57412A MEMBER, FLOOR SIDE, INNER LH
57412-89105 1 $169.14
58139 COVER, FRONT FLOOR SIDE, REAR
58139-89101 2 $27.28
58191 FOOTREST, FRONT FLOOR
58191-89101 1 $17.91
58286 BOOT, SHIFT & SELECT LEVER, NO.1
58280-89107 1 $82.67
90159-60112 *** STD. PART $1.19
90189-06029 *** STD. PART $1.27
90333-35002 *** STD. PART $2.10
90950-01061 *** STD. PART $3.32
90950-01086 *** STD. PART $5.14
90950-01234 *** STD. PART $6.48
90950-01352 *** STD. PART $5.10
90950-01398 *** STD. PART $1.27
93560-56020 *** STD. PART $2.02
I could be off on the part, it's hard to tell in the diagram. Either way they would be somewhat cheap at the dealership so they will be the best ones to talk to. Or you can measure the hole and just find a rubber solid grommet that fits that hole in the floor.