I have a 1999 EX 4-door with leather seats. The driver's seat is quite worn so I would like to replace it with a seat from a local junkyard. From what I've read, seats from a 1998-2002 Accord will work. I'm debating between replacing just the bottom cushion or the whole seat - is it even possible to replace just the bottom cushion? Does anyone have a diagram for a whole seat replacement?

The driver's seat has electronic controls but the passenger seat does not. I may end up replacing the passenger seat as well but it's in better shape. Thanks for any guidelines!