***THIS SUSPENSION BASE IS MEANT TO REPLACE THE EXISTING NATIONAL AIR SUSPENSION IN FREIGHTLINER 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 call to purchase 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 4 in. stroke
- Includes seat belt bracket
- 5 year/million mile warranty
- Suspension mounts to factory floor mounting pattern
- Freightliner FLN Business Class Trucks
- Use ONLY with National Medium Duty upper
- NOT FOR USE with OEM static or non-suspension seat