75165040Marelli Motori Coupling

Description

The 75165040 Marelli Motori Generator Coupling is an OEM coupling for engine-driven generator sets. This is the number carried in earlier parts documentation and service records; what ships against it is current production and interchanges directly with the coupling that came out of the machine.

The coupling sits between the engine flywheel and the generator rotor shaft and is the designed wear point in that driveline. Its flexible element gives up torsional energy so the rotor, bearings, and shaft do not. Once that element stiffens or splits, the protection is gone and the damage moves downstream, which is why it is treated as a scheduled maintenance item rather than a failure repair. This is the factory component, dimensioned to fit the original mounting without modification.

• Factory OEM Marelli Motori coupling
• Protects generator bearings and rotor shaft from engine torsional loading
• Durable construction for long service life
• In stock and ready to ship – same day on orders placed by 2:00 PM CST

Stark Industrial Products stocks factory OEM parts with fast shipping and expert support.

Need Help?

Not sure if this is the right part for your machine?

• Call Us: (903) 825-7890
• Email Us: starkindustrialproducts@gmail.com
• Live Chat: Available 24/7

Have your equipment make, model, and serial number handy and we will confirm the correct part.

Known Compatibility

This part is confirmed compatible with the following Marelli Motori equipment:

• MJB 355 MB4

Shipping & Returns

In-stock orders placed by 2:00 PM CST ship the same business day.

Returns accepted within 30 days on uninstalled parts in original condition.

Why OEM Matters

Factory OEM components are built to exact manufacturer specifications for reliable performance, long service life, and minimal downtime.

• Exact fit and function
• Made to the original manufacturer specification
• Reliable performance
• Longer service life