Progressive Rear Helper Springs for Sprinter 3500/4500 (HV-098140)
Looking to improve rear suspension support on your Mercedes-Benz Sprinter 3500 or 4500 with variable cargo loads?
The HV-098140 progressive helper spring kit is the ideal upgrade for vans that experience shifting payloads — like delivery fleets, tradesmen, shuttle services, or camper van conversions.
✅ Key Features of the HV-098140
- Progressive-rate design: Adapts to load – smooth when empty, supportive when loaded
- Axle position: Rear
- For models: Sprinter 907.6 / 910.6 (single rear wheel and dual rear wheel)
- Suitable for: Variable loads
- Install time: ~45 minutes
- No shock absorbers required
- Certifications: Not required for U.S. use
- Price: $649.00 – includes shipping, duties, and import processing to the U.S.
🛻 Ideal For:
- Cargo vans and box trucks with changing daily loads
- Camper builds that need stability without compromising ride comfort
- Shuttle vans or minibuses with varying passenger weight
- Tradespeople carrying tools and materials, but not always at full capacity
🏁 Why Choose HV-098140?
Unlike constant-load helper springs, this progressive system only engages when needed, preserving ride quality when empty but preventing rear-end sag and sway when loaded.
No maintenance, no compressor, and no impact on unloaded comfort.
🔧 Technical Specifications
Specification | Details |
Part number | HV-098140 |
Axle position | Rear |
Vehicle fitment | Mercedes-Benz Sprinter 3500 / 4500 – 907.6 & 910.6 (2018–present) |
Load suitability | Variable load (progressive support) |
Lift height | N/A – progressive engagement only |
System type | Progressive helper spring |
Certification | TÜV |
Installation time | Approx. 45 minutes |
Price (incl. U.S. shipping, duties, processing) | $649.00 |