BT021T11A5 Reversible Sleeve Air Spring 32.5 kN Conti 836MBK4 Abrasion Resistance for Truck
Basic Properties
Trading Properties
| Piston Diameter: | 230 Mm | Piston Height: | 115 Mm |
|---|---|---|---|
| Load Capacity: | 32.5 KN | Max Inflation Pressure: | 0.65 MPa |
| Fatigue Life: | 18.17 Million Cycles | Operating Temperature: | -40 C To 80 C |
| Highlight | 230 mm Piston Truck Air Springs,Reversible Sleeve Air Spring 32.5 kN,Abrasion Resistance Air Spring for Truck |
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The EVEN BT021T11A5 is a reversible sleeve air spring engineered for heavy truck, trailer and commercial vehicle chassis suspension. It corresponds to ContiTech 836MBK4 and fits European heavy truck chassis. With a load capacity of 32.5 kN, a 230 mm piston and 115 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 | 836MBK4 |
| Customer | DAF, Scania, Mercedes-Benz |
| Vehicle Model Info | European heavy truck chassis |
| Piston Diameter | 230 mm |
| Piston Height | 115 mm |
| Load Capacity | 32.5 kN |
| Max Inflation Pressure | 0.65 MPa |
| Our Model | BT021T11A5 |
| Assembly Model | B02-1T11A5-1 |
| Firestone Model | W01-M58-8705 |
| Brand | EVEN (Qingdao Guoxiang Yiwen Rubber Technology Co., Ltd.) |
| Certification | IATF 16949 |
- Reversible sleeve design for stable load-leveling on truck and trailer air suspension
- Specialty rubber plus "Liquid Gold" compound for ultra-long fatigue durability
- Fatigue life up to 18.17 million cycles, more than double the GB/T 13061 requirement
- Rubber-to-cord bonding improved 30%-50% over conventional products
- Structural topology optimization: reinforced ends with a flexible central buffer
- Tested for 80 C and -40 C vertical durability plus 1/4 suspension durability
- IATF 16949 certified production with full lifecycle traceability
European heavy truck chassis, matched with OE vehicles from DAF, Scania, Mercedes-Benz, for OEM and aftermarket replacement.

Contact Person: Ms. EVEN
Tel: +86 18561829173