shld be cheap... in 2004, 4-door EK 99 specs ori brand new rear bumper was priced at RM250. spec 96... should be a lot cheaper la kot. try your luck in LHS excript since u r in KL. brand new la
Normally there are 2 source of leaking from them. The rubber surrounding the door loose or damage liao OR most likely the water proof plastic sheet inside the door got holes or not...