Description
When your fuel transfer pump starts making grinding noises or loses its prime, it might not be a major repair—sometimes it’s just the rotor keys that need attention. These small but crucial parts connect the rotor to the shaft inside your Fill-Rite pump, and when they wear out or break, your pump stops working. This bulk kit gives you 15 replacement rotor keys, so you can fix the current problem and have spares ready for the next time.
What You’re Getting
- Bulk pack of 15 rotor keys means you’ll have spares for multiple repairs
- Precision-machined to exact Fill-Rite specifications for proper fit and function
- Made from durable steel that handles the torque and vibration of pump operation
- Direct replacement—no modifications needed to install in your existing rotor assembly
- Works across multiple Fill-Rite pump series, so one kit covers different applications
Built for Real Farm Work
This kit works with Fill-Rite’s workhorse pump series—the 600, 1200, 2400, 4200, 4400, and SD models that move fuel day in and day out on farms and job sites. Whether you’re running a stationary tank setup for your tractors or have a portable pump for field refueling, these are the pumps that keep equipment running when there’s work to do.
Made to Last
Rotor keys take a beating—they transfer all the rotational force from the drive shaft to the pumping mechanism while dealing with fuel, vibration, and constant use. These replacement keys are made from quality steel that won’t strip out or snap under load, giving you reliable service until normal wear eventually requires replacement again.
Good to Know
Replacing rotor keys requires disassembling the pump head, so it’s a good time to inspect other wear items like the rotor, vanes, and housing. Keep the bulk pack in your parts bin—once you’ve got one Fill-Rite pump, you’ll probably end up with more, and they all use the same key design. Having extras on hand means less downtime when a pump needs attention during busy seasons.




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