MultiStar Cold – Your Source for Bus Air Conditioner Parts
The Bitzer cylinder liner 31112212 / 31112220 (also referenced as 311 122 12 / 311 122 20) is a high-quality right-side replacement cylinder liner designed for Bitzer 4NFC and 6NFC series compressors, widely used in bus air conditioning and transport refrigeration systems. This precision-engineered component provides the smooth, wear-resistant surface essential for proper piston sealing and efficient compression.
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:
- 31112212 / 31112220
OEM Code of Bitzer 31112212 / 31112220 – One-Stop Bus AC & Transport Refrigeration Parts Supplier
31112212 / 31112220
✨ Key Features & Benefits
- Exchangeable & Wear-Resistant – Bitzer ROADSTAR compressors feature exchangeable cylinder liners with particular wear resistance for extended service life
- Precision Fitment – Designed specifically for the right side of 4NFC and 6NFC compressors
- OEM-Grade Quality – Manufactured to Bitzer specifications for reliable sealing and compression performance
- Durable Construction – High-quality materials for extended service life in demanding transport environments
- One-stop supplier for bus AC & transport refrigeration parts
📊 Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 31112212 / 31112220 |
| Alternate Numbers | 311 122 12 / 311 122 20 |
| Type | Cylinder Liner (Right Side) |
| Compatible Compressors | Bitzer 4NFC, 6NFC, 4NFR |
| Origin | Germany (Bitzer) |
🌍 Applications
This cylinder liner is compatible with the following Bitzer compressor models:
| Model Series |
|---|
| 4NFC / 4NFCY |
| 6NFC / 6NFCY |
| 4NFR |
The 4NFC and 6NFC series are part of Bitzer’s ROADSTAR family, developed specifically for vehicle air conditioning and refrigeration applications with a wide speed range of 500 to 3500 RPM.
| 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.