2000 Monte w/radio problems- help!

I have a 2000 Monte w/a dead radio amp. big bucks for the dealer to replace & am looking for a used or aftermarket to replace. But I haven't been successful in finding a part # or description. Anyone w/the knowledge of this? what other info would be needed? Thanks

well any radio form the newer impalas and montes will fit also some buicks, is the amp in the trunk dea dor the radio dead..if u do install aftermarket you still need to retain the factory radio in the trunk with a relocation kit..