Lower Gasket Kit 4089998 For Cummins M11 ISM QSM Engine
The Cummins M11/ISM/QSM 10.8L complete gasket set (usually listed with part number 4089998 or similar names, such as on Alibaba) is suitable for overhauling inline six-cylinder engines with power outputs of 330-500 hp and torque of 1,100-1,450 lb-ft. It contains critical sealing components for high-density 10.8L diesel engines.
Description
Engine Key Specifications and Components
Engine Type: 10.8-liter (657 cubic inches) inline six-cylinder engine.
Bore and Stroke: Bore 4.921 inches (125 mm), Stroke 5.787 inches (147 mm).
Applications: M11, ISM, and QSM series, typically used in heavy-duty applications. Included Components: These kits typically include cylinder head gaskets, oil pan gaskets, intake/exhaust manifold gaskets, valve cover gaskets, front and rear crankshaft oil seals, and various O-rings and oil seals for comprehensive engine overhaul.














