***THIS SUSPENSION BASE IS MEANT TO REPLACE THE EXISTING AIR SUSPENSION IN FORD MEDIUM DUTY TRUCKS AND IS FOR USE WITH NATIONAL MEDIUM DUTY UPPER. NOT FOR USE WITH OEM FACTORY STATIC OR NON-SUSPENSION SEATS***
If you would like to upgrade to air supspension seats, please CLICK HERE
to see the National Medium Duty Air Suspension Seats which are supplied as a complete kit including the Air Suspension Base, Seat Upper, Armrest, & Compressor Kit.
Don't let your back feel the road, let your seat do the work.
- Low profile suspension with 3 in. stroke
- Heavy duty shock damper
- 5 year/million mile warranty
- Suspension mounts to factory floor mounting pattern
- F250/350/450/550/650/750/800- 1999 and up
- For trucks fitted with bucket seats or 40/20/40 seats from factory, re-attach seat belt buckle to National seat with supplied seat belt bracket. Attach tethers per instructions.
- For trucks fitted with bench seats from factory, the seat belt buckle is attached to a steel cable bolted to floor. Tethers are not required.
- Use ONLY with National Medium Duty upper
- NOT FOR USE with OEM static or non-suspension seat