View 7 Photos View 0 Videos 2006 Cummins QSB 6.7 L CM850 Engine Control Module (ECM) for 2004-2006 Part # 4921776, CPL 426 $695 USD (GOOD USED BENCHED TESTED) Cummins CM850 Engine Control Module (ECM) 4921776 For Sale, CM850, Part # 4921776, Pulled Off 2006 Cummins QSB w/ CPL 426, Engine Serial# 73858377, 160HP @ 2500... ConditionUsedWill Fit Year(s)2004-2006Part Number4921776Stock Number10133 MLS Number14349834CategoryEngine Control Modules (ECM) Last Updated5/12/2026 LocationOpa Locka, FL, US Sold ByCA Truck Parts Inc. (305) 688-___ SHOWNUMBERCall Seller Email Seller Save More Info