On July 31, 2019, the Rays traded Kolarek to the Los Angeles Dodgers in exchange for minor leaguer Niko Hulsizer. He pitched in 26 games for the Dodgers in 2019, with two wins and a stellar 0.77 ERA in 11 innings. In 2019 he allowed only 19.6% of inherited runners to score (the seventh-best percentage among Major League relievers), and had the 3rd-highest ground ball percentage among big league relievers, at 66.9%.
