MultiStar Cold – Your Source for Bus Air Conditioner Parts
The Bitzer 30227301 piston assembly and 30213101 connecting rod are high-quality replacement parts designed for Bitzer 4UFCY compressors, widely used in bus air conditioning and transport refrigeration systems. This complete piston and connecting rod assembly includes the piston, connecting rod, pin, pin retainers, compression ring, and oil ring .
Multistar Cold is your one-stop supplier for bus AC parts and transport refrigeration parts – original new and China-made options at competitive prices.
CROSS-REFERENCE PART NUMBERS:
- Bitzer: 30227301 & 30213101
OEM Code of Bitzer: 30227301 & 30213101 – One-Stop Bus AC & Transport Refrigeration Parts Supplier
Bitzer:
30227301
30213101
30213119
Alternate Assembly Reference:
30229850 (Connecting rod / piston, 4 pcs)
✨ Key Features & Benefits
- Complete Assembly – Includes piston, connecting rod, pin, retainers, compression ring, and oil ring for full replacement
- OEM-Grade Quality – Meets or exceeds Bitzer specifications for reliable compressor performance
- Precision Fit – 55mm piston diameter ensures proper cylinder fitment
- Durable Construction – High-quality materials for extended service life in demanding transport environments
- Reinforced Connecting Rod Design – Bitzer Roadstar series features optimized connecting rod geometry with generously dimensioned bearing surfaces
- One-stop supplier for bus AC & transport refrigeration parts
📊 Technical Specifications
🌍 Compatible Bitzer Compressors
This piston and connecting rod assembly is compatible with the following Bitzer compressor models :
| Model Series |
|---|
| 4U |
| 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.






