5 0 Genuine Cummins Decomposition Reactor Part # 4394302 $999.99 USD (SURPLUS NEW) Cummins Tractors Engine Parts Decomposition Reactor, for sale!!!!! Part#:4394302 ;Other Part#:4394302,A052J812, A052J810, 9F308191108; Stock # DPF1003 For more information... ConditionNewPart NumberA052J812Stock NumberDEF1003 MLS Number13449619CategoryDiesel Exhaust Fluid (DEF) Tanks Last Updated3/14/2025 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info