The below engine parts Cummins gear housing are for the 4BT3.9/6BT5.9/6CT8.3/6LT8.9/ISDe/ISLe/ISZ/M11/NT855/ KT19/KT38/KT50/ISF2.8/ISF3.8/ISM11/QSM11 series Cummins engine. Part Name Part No. Part Name Part No. Gear Cover C4933408 Cummins Gear Cover 3287075 Gear Cover C5267784 Cummins Gear Housing 3926721 Cummins Gear Housing C4936423 Cummins Gear Cover 3926852 Cummins Gear Housing C4936429 Cummins …