Product Description

The Cummins ISLE Lower Engine Gasket Set 4089759 is a comprehensive sealing solution designed for compatible Cummins diesel engine service and overhaul applications. Cummins parts references identify 4089759 as a lower engine gasket kit, with applications including ISLE and related ISL/QSL engine platforms.

The 4089759 lower gasket set contains multiple gaskets, O-rings, sealing washers and related sealing components used throughout the lower section of the engine. The available component listing includes oil cooler gaskets, oil seals, cover gaskets, fuel pump gaskets, O-rings and other sealing elements.

The kit is intended for engine maintenance, repair and overhaul projects where a complete lower-engine sealing solution is required. Properly matched sealing components help maintain reliable connections between engine assemblies and support stable operation after servicing.

For genuine Cummins parts sourcing and wholesale orders, please provide your Engine Serial Number (ESN), engine model or existing part number. This allows the application and exact kit configuration to be verified before quotation.