MultiStar Cold – Your Source for Bus Air Conditioner Parts
The LANG 73.1.052.000.04 is a high-performance electromagnetic clutch assembly from the LANG KK73.1 series, designed for heavy-duty bus air conditioning compressors. Featuring a 2A2B dual-groove stepped pulley with 260mm and 200mm diameters, it is specifically engineered for Bitzer and Bock compressors.
Multistar Cold is your one-stop supplier for bus AC and transport refrigeration parts – original new and China-made options at competitive prices.
CROSS-REFERENCE PART NUMBERS:
- 73.1.052.000.04
OEM Code of LANG 73.1.052.000.04 – Premium Electromagnetic Clutch – One-Stop Bus AC & Transport Refrigeration Parts Supplier
73.1.052.000.04
✨ Key Features & Benefits
- Heavy-Duty Torque Capacity – 450 Nm static torque for demanding 6-cylinder compressor applications
- Dual-Groove 2A2B Pulley – 260mm and 200mm stepped design for flexible belt system integration
- IP 64 Protection – Sealed against dust and water spray for harsh bus environments
- Dual Voltage Options – Available in 12V and 24V configurations
- Direct OEM Replacement – Fits Bitzer and Bock bus AC compressors
- One-stop supplier for bus AC & transport refrigeration parts
📊 Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 73.1.052.000.04 |
| Series | LANG KK73.1 |
| Pulley Type | 2A2B (dual-groove stepped pulley) |
| Pulley Diameters | 260mm / 200mm |
| Torque (Static) | 450 Nm |
| Voltage | 12V / 24V |
| Current | 5.2A / 2.6A |
| Power | 62W |
| Security Class | IP 64 |
🌍 Applications
| Application | Details |
|---|---|
| Bus & Coach AC | Bitzer 4U/4N/6U/6T and Bock FK(X) series compressors |
| Commercial Vehicle HVAC | Reliable cooling for passenger transport fleets |
| Heavy-Duty Refrigeration | Dorin 4T compressor applications |
| Advantage | Benefit |
|---|---|
| Factory Direct | No middlemen – competitive pricing |
| Quality Focus | OEM-grade materials and testing standards |
| Fast Delivery | Ready stock and quick production turnaround |
| Technical Support | Expert assistance for fitment verification |
| Global Reach | Shipping to 50+ countries worldwide |
| Flexible MOQ | Low minimum order quantities |
Multistar Cold – Your one-stop supplier for bus AC parts, transport refrigeration parts, Thermo King parts, and Carrier Transicold parts. OEM-grade quality, competitive pricing, and global shipping from China.






