Los 40 Principales (Costa Rica) 104.3
| Genres: | Top 40 Pop Music Pop Latino |
| Language: | English |
| Location: | Tibas, San José Costa Rica |
| Website: | http://www.los40.co.cr/ |
| Short URL of Page: | http://rdo.fm/r/jwt4t |
| CallSign: | ~ |
| Frequency: | 104.3 |
| Type: | Internet, FM |
| Description: | La radio oficial de los éxitos. Con los hits de la música nacional e internacional. |