After the 2004 Olympics he and Serguey Torres were chosen as Cuba's new C-2 pairing for international competitions. Replacing the former world champions and Olympic medallists Ibrahim Rojas and Ledys Frank Balceiro was no easy task but the Aguilar and Torres enjoyed immediate success at the 2005 World Championships in Zagreb, Croatia. They won medals in all three C-2 races - silver in the 1000 m and bronze in the 200 m and 500 m. The pair also won another silver in the C-2 1000 m event at the 2007 championships and earned their best finish in the same event at the 2008 Summer Olympics.