Engine Water Pump is a direct fit for the following:

1993-2005 Subaru Impreza (1.8L, 2.2L, 2.5L-H4 Non-Turbo)
Does NOT Fit WRX or STI

1998-2002 Subaru Forester (2.5L-H4 Non-Turbo)
2003-2005 Subaru Forester (Manual Transmission - Non-Turbo)

1990-1997 Subaru Legacy (Non-Turbo)

Genuine Subaru Part Number: 21111AA007