Exhoust Gas Recirculation (EGR-cooler) Part DZ101011 For John Deere 6090 Engine Exhoust Gas Recirculation (EGR-cooler) Part DZ101011 For John Deere 6090 EngineEgr-cooler Part DZ101011 For John Deere 6090. Solar responsibility to check and verify the part number. The part is new.