The EVEN DT011T11A7 is a reversible sleeve air spring engineered for heavy truck, trailer and commercial vehicle chassis suspension. It corresponds to ContiTech 4159 NP09 and fits European trailer air suspension. With a load capacity of 33.4 kN, a 260 mm piston and 193 mm piston height, it keeps stable ride height and reliable load-leveling for high-mileage freight transport.
| Category | Truck Air Spring (Reversible Sleeve Type) |
|---|---|
| ContiTech Model | 4159 NP09 |
| Customer | Cardi, Fruehauf, SAMRO, SMB |
| Vehicle Model Info | European trailer air suspension |
| Piston Diameter | 260 mm |
| Piston Height | 193 mm |
| Load Capacity | 33.4 kN |
| Max Inflation Pressure | 0.7 MPa |
| Our Model | DT011T11A7 |
| Assembly Model | D01-1T11A7-1 |
| Firestone Model | W01-M58-9131 / (1T15M-9) |
| Brand | EVEN (Qingdao Guoxiang Yiwen Rubber Technology Co., Ltd.) |
| Certification | IATF 16949 |
European trailer air suspension, matched with OE vehicles from Cardi, Fruehauf, SAMRO, SMB, for OEM and aftermarket replacement.
