View 0 Photos View 0 Videos 2015 John Deere 6135HD Engine Control Module (ECM) for a John Deere 844K-II $1,500 USD (USED) John Deere 6135HD Serial #: 473038 Ref# RE520955 ConditionUsedFits To Make(s)John DeereFits To Model(s)844K-IIPart NumberRE520955Stock Number26015913 MLS Number14433008CategoryEngine Control Modules (ECM) Last Updated6/17/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info