Colombia defeated Peru 1-0 in the third round of the final phase of South American qualifying on Sunday to claim one of four berths for Turkey 2013 with two matches to spare.
A lone penalty from Juan Quintero on 17 minutes proved decisive for Los Cafeteros who have a perfect record after three matches.
Earlier, Uruguay moved closer to securing their qualification goal with a 1-0 defeat of Chile as Gonzalo Bueno netted just past the hour mark.
Late in the day, a winner three minutes from full time by Juan Villamayor lifted Paraguay past Ecuador to snatch qualification with the third 1-0 scoreline of the day.
Continental elite Brazil and Argentina both suffered surprise exits in the previous stage of qualifying.
Standings of the final phase with two rounds remaining
Colombia 9 points