Subaru BRZ 2016 Service Manual page 138

PERIODIC MAINTENANCE SERVICES
38) Install a new O-ring (A), spacer (B) and new connector cable (C) to the fuel pump.
NOTE:
Apply gasoline to the O-ring and spacer.
39) Install the fuel pump to the fuel filter assembly.
Fuel Filter
(C)
(A)
(B)
PM-48
PM-00608
PM-00611