5 0 Genuine Cummins Decomposition Reactor Part # 4394302 Recently Updated $999.99 USD (SURPLUS NEW) Cummins OEM T4 LTE Decomposition Reactor, for sale!!!!! Part#: 4394302;Other Part#: A052J812; Engine Model: ISB/QSB 6.7L TIER 4; Stock # DPF1003 For more information about this... ConditionNewPart Number4394302Stock NumberDEF1003 MLS Number13449619CategoryDiesel Exhaust Fluid (DEF) Tanks Last Updated11/14/2025 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info