SuperSprings SSF-106-40 front helper spring for the 1999-2019 Ford E-350 Super Duty and other vehicles replaces the factory bump stop on its side of the axle. Among SuperSprings helper springs, this SumoSpring is a patented design meant to add load-carrying ability and reduce sway.
- SumoSprings patented micro-cellular urethane gives a smooth, progressive spring rate
- Rated for 500 lb of capacity at 50% compression
- Compresses up to 80% of its original height and rebounds with full memory
- Maintenance free, does not leak air and needs no airlines or compressor
- Designed to stabilize sway and improve driver control and ride comfort
Quick facts
- Part: SuperSprings SSF-106-40 helper spring
- Fits: 1999-2019 Ford E-350 Super Duty and other vehicles
- Position: Front
- Material: Patented micro-cellular urethane
- Condition: New
Front-end sag under load, body sway and harsh bottoming-out are all reasons to add a helper spring. Those signs alone do not prove this part is the problem, since worn shocks can produce similar complaints.
Fits
This spring is listed for a wide range of Ford and Mercedes-Benz models, including the 1999-2019 Ford E-350 Super Duty, the 2003-2019 Ford E-450 Super Duty and the 2026 Ford F-350 Super Duty. If your van or truck is not named here, look it up in the "Vehicles it fits" section.
Specifications
Fit and size
- Position: Front
- Quantity: left and right pair
- Capacity: 500 lb at 50% compression
Build and materials
- Material: Patented micro-cellular urethane
- Compression: up to 80% of original height
- Condition: New
- Country of origin: United States
In the box
One left and one right helper spring, one for each side of the front axle.
Installation notes
- No drilling required.
- Never load the vehicle beyond the manufacturer's GVWR.
Frequently Asked Questions
Is the SuperSprings SSF-106-40 helper spring right for the 2003-2019 Ford E-450 Super Duty?
Yes. SuperSprings SSF-106-40 is listed as a front helper spring for the 2003-2019 Ford E-450 Super Duty.
How much weight can these SumoSprings handle?
Each spring is rated for 500 lb of capacity at 50% compression. Never load the vehicle beyond the manufacturer's GVWR.
Does the SuperSprings SSF-106-40 need drilling to install?
No. SuperSprings SSF-106-40 requires no drilling, and each spring replaces the factory bump stop on its side.
Do SumoSprings need airlines or a compressor?
No. These springs are maintenance free, do not leak air and need no airlines or compressor.
What are these front helper springs made of?
They are made of patented micro-cellular urethane. The material compresses up to 80% of its original height and rebounds with full memory.
