Product Description
Cummins Oil Cooler Installation Kit 4089900 provides replacement sealing components and mounting hardware for servicing the engine oil cooler on compatible Cummins ISX and QSX diesel engines.
This kit is designed to help maintain proper sealing between the oil cooler and mating engine components, reducing the possibility of oil and coolant leaks during operation.
Used in select Cummins ISX15 and QSX15 engine configurations, the installation kit contains oil cooler gaskets, O-ring seals, protective plugs, and mounting screws required for compatible oil cooler installations.
Cross-references Cummins part number 4955778, PAI 141401, and Interstate-McBee M-4955778.
This is an installation kit only. The oil cooler core is not included.
Verify compatibility with your engine serial number and confirm kit contents before ordering.
