Description
National Equipment 400321 Armrest Kit (for Plastic Seat)
The National 400321 Armrest Kit is a direct replacement for all National ride-on machines equipped with the standard plastic seat (PN400321). Enhance operator comfort and meet safety standards by replacing worn or missing armrests with this OEM-quality kit.
Compatible with the full line of National ride-on floor care machines including models such as the 8000, 7700, 5700, and their contemporaries this kit is the official solution offered by National to maintain OSHA compliance and user safety.
- OEM part number: 400321 Armrest Kit
- Fits all National ride-on machines with plastic seats
- Restores operator support and helps meet OSHA standards
- In stock and ships quickly from
Upgrade your ride-on machine today with this easy-to-install armrest kit improving safety and comfort for operators on every job.






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