The John Deere RE538735 is an original equipment manufacturer (OEM) EGR coolant supply line, designed to ensure proper coolant flow to the Exhaust Gas Recirculation (EGR) system. This critical component helps maintain optimal engine temperature and emission control in compatible John Deere agricultural and construction machinery. Constructed to John Deere's rigorous standards, it provides reliable performance and a precise fit for specified models, including 6105M, 6110M, 6115M, 6120M, 6125M, 6130M, 6140M, 6145M, 6150M, 6155M, 6170M, 6175M, 6195M, 6215R, 7210R, 7230R, 7250R, 7270R, 7290R, 8245R, 8270R, 8295R, 8320R, 8345R, 8370R, 8400R, 9470R, 9520R, 9570R, 9620R, 9470RT, 9520RT, 9570RT, 9620RT, 9470RX, 9520RX, 9570RX, 9620RX, and various 6R series tractors, as well as 7R and 8R series tractors.