Bour was replaced by Major General Yefim Chaplits on 23 July 1806, who was later promoted to lieutenant general on 31 October 1812. The Pavlograd Hussars subsequently fought in the Battle of Czarnowo, the Battle of Ostrołęka, the Battle of Golymin, the Battle of Eylau, the Battle of Heilsberg, and the Battle of Friedland during the 1806–1807 War of the Fourth Coalition, and in the advance into Galicia during the Austro-Polish War of 1809.