From toyodiy.com (
https://www.toyodiy.com/parts/p_U_19900 ... l?hl=46590):
46503 PLATE SUB-ASSY, PARKING BRAKE, RH
46503-20030 1 $358.72
46504 PLATE SUB-ASSY, PARKING BRAKE, LH
46504-20030 1 $358.72
46540 SHOE ASSY, PARKING BRAKE, RH OR CENTER NO.1
46540-20040 1 $25.70
46550 SHOE ASSY, PARKING BRAKE, RH OR CENTER NO.2
46550-20040 1 $25.70
46550E SPRING, TENSION, NO.2(FOR PARKING BRAKE SHOE RETURN)
90506-12010 2 $8.07
46550F SPRING, TENSION(FOR PARKING BRAKE SHOE RETURN, FRONT)
90507-16009 2 $2.89
46550J SPRING, TENSION(FOR PARKING BRAKE SHOE RETURN REAR)
90507-16009 2 $2.89
46580 SHOE ASSY, PARKING BRAKE, LH NO.1
46540-20040 1 $25.70
46590 SHOE ASSY, PARKING BRAKE, LH NO.2
46590-20040 1 $25.70
47405A SCREW SET, SHOE ADJUSTING, RH(FOR PARKING BRAKE)
47405-30040 1 $63.14
47406A SCREW SET, SHOE ADJUSTING, LH(FOR PARKING BRAKE)
47406-30040 1 $63.14
47447D SPRING, COMPRESSION(FOR PARKING BRAKE SHOE HOLD DOWN)
90501-14049 4 $2.02
47447E PIN, SHOE HOLD DOWN SPRING, NO.1(FOR PARKING BRAKE)
47447-20030 2 $2.21
47447F PIN, SHOE HOLD DOWN SPRING, NO.2(FOR PARKING BRAKE)
47447-22020 2 $3.20
47449A CUP, SHOE HOLD DOWN SPRING, NO.1(FOR PARKING BRAKE)
47449-30030 8 $2.17
47456A PLATE, SHOE GUIDE(FOR PARKING BRAKE)
47456-20030 2 $1.11
47459B BOLT, SHOE GUIDE PLATE SET(FOR PARKING BRAKE)
47459-30010 2 $24.47
47611 LEVER, PARKING BRAKE SHOE, RH
47611-20030 1 $24.67
47611A WASHER, TYPE C(FOR PARKING BRAKE SHOE LEVER)
90213-07018 2 $1.19
47611B SHIM(FOR PARKING BRAKE SHOE LEVER)
90564-09184 T=0.3 X $2.21
90564-09185 T=0.6 X $2.21
90564-09186 T=0.9 X $2.21
47612 LEVER, PARKING BRAKE SHOE, LH
47612-20030 1 $24.67
47613D SPRING, COMPRESSION(FOR PARKING BRAKE SHOE STRUT)
90504-14002 2 $5.77
47613E STRUT, PARKING BRAKE SHOE, RH
47613-20040 1 $16.29
47614 STRUT, PARKING BRAKE SHOE, LH
47614-20010 1 $16.29
90179-10030 *** STD. PART $1.23