MultiStar Cold – Your Source for Bus Air Conditioner Parts
The BOCK 80617 is a high-quality piston and connecting rod assembly designed for BOCK FK50/980K series compressors, widely used in bus air conditioning and transport refrigeration systems. Featuring a 65mm piston diameter, this complete assembly includes the piston, connecting rod, and rings, providing a reliable replacement solution for compressor overhaul.
Multistar Cold is your one-stop supplier for bus AC parts and transport refrigeration parts – original new and China-made options at competitive prices.
80617
✨ Key Features & Benefits
- Complete Assembly – Includes piston, connecting rod, and rings for full replacement
- Precision 65mm Fit – Matches BOCK FK50/980K cylinder specifications for proper sealing and compression
- Durable Construction – High-grade aluminum alloy piston with hardened steel connecting rod for strength and thermal resistance
- OEM-Grade Quality – Manufactured to BOCK specifications for reliable compressor performance
- One-stop supplier for bus AC & transport refrigeration parts
🔧 Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 80617 |
| Type | Piston with Connecting Rod Assembly |
| Piston Diameter | 65mm |
| Compatible Compressor | BOCK FK50/980K, FKX50/980K |
🚛 Compatible BOCK Compressors
This piston assembly is compatible with the following BOCK compressor models:
| Model Series |
|---|
| FK50/980K |
| FKX50/980K |
The FK50/980K series is a compact 6-cylinder W-design compressor with 976 cm³ swept volume, featuring lightweight aluminum construction, bidirectional lubricating oil pump with relief valve, and integrated pulsation damper for smooth operation .
| 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.






