Cummins service and overhaul kits bundle the components needed for specific maintenance tasks into a single part number. This includes engine overhaul kits (containing pistons, liners, rings, bearings, and gaskets), cylinder kits, water pump repair kits, turbocharger rebuild kits, and routine service kits with filters and consumables. Ordering a kit rather than individual components ensures all required parts are included, reduces the risk of missing items during a repair, and often represents better value than sourcing each piece separately. Kits are specified by engine model, CPL, and the scope of the maintenance or overhaul being performed.
AMS Parts supplies a wide range of kits & overhaul components for Cummins engines used in power generation, marine, and industrial applications. Browse a selection of available parts below, or contact us for specific requirements.
Below is a selection of kits & overhaul parts we supply. Use the search bar above to find a specific part number, or request a quote. You can also reach us directly at [email protected] or +44 7776 800169.
An upper overhaul kit (in-frame kit) typically includes pistons, liners, rings, pin bushings, and upper gasket set — the components needed to overhaul the engine without removing it from the equipment. A lower or complete overhaul kit additionally includes main bearings, con rod bearings, thrust washers, and a full gasket set for when the crankshaft and lower end are also being serviced.
Overhaul kits are specific to the engine model, CPL (Control Parts List), and emissions tier. Providing the engine serial number and CPL code ensures the kit matches the exact build specification, including correct piston crown type, liner specification, and gasket materials.
Yes, all components within a kit are also available as individual part numbers. However, ordering the kit ensures compatibility between components and avoids the risk of accidentally ordering a piston that doesn't match the liner specification.
