Buy 2002 Subaru Impreza 2.5L 5MT RS Sedan Door Lock Kit. Latch Door (Right, Front). Door Lock Cylinder - OEM Subaru Part # 61031FE020 (61031FE021)

LATCH ASSEMBLY-FRONT DOOR,RIGHT Door Lock Kit

Fits Impreza, Outback, STI, WRX

Door Lock Cylinder
If your keys don't turn in your door, you might need to replace the door lock cylinder in your 2002 Subaru Impreza.