MultiStar Cold – Your Source for Bus Air Conditioner Parts
The 45 Degree Flat Seat Self-Lock Low Pressure 28mm Bus AC Fitting is a high-quality China-made replacement fitting designed for bus air conditioning systems. As a direct alternative to Manuli fittings, it delivers reliable leak-free performance at a highly competitive price for the aftermarket.
Multistar Cold is your best bus AC parts supplier in China, providing all kinds of bus HVAC parts. Here the bus AC fittings are matched with Manuli fittings at a good price! The fittings are China-made and can perfectly match with Manuli fittings, but the price is low to suit bus HVAC after-sales service.
The bus AC fittings are 45 degree, flat seat, self-lock type for 28mm diameter.
Multistar Cold is your one-stop supplier for bus AC parts and transport refrigeration parts – original new and China-made options at competitive prices.
45° Elbow, Flat Seat, Self-Lock
✨ Key Features & Benefits
- China-Made Manuli Replacement – Perfectly matched with Manuli fittings at a lower price
- 45° Flat Seat Design – Provides secure sealing and flexible routing in tight spaces
- Self-Lock Connection – Quick and reliable push-to-connect installation
- Low Pressure Rated – Engineered for 28mm low-pressure bus AC hoses
- Aftermarket Ready – Designed to suit bus HVAC after-sales service
- One-stop supplier for bus AC & transport refrigeration parts
📊 Technical Specifications
| Parameter | Specification |
|---|---|
| Fitting Type | 45° Elbow, Flat Seat, Self-Lock |
| Pressure Type | Low Pressure |
| Hose Size | 28mm (Low Pressure) |
| Connection | Self-Lock / Push-to-Connect |
| Sealing | Flat Seat (O-Ring) |
| Material | High-Strength Steel / Aluminum |
| Application | Bus AC Refrigerant Lines |
| Compatibility | Manuli Fittings |
🚛 Compatible Applications
| Application | Details |
|---|---|
| Bus & Coach AC | Low-pressure refrigerant line connections |
| System Compatibility | 28mm low-pressure bus AC hoses |
| OEM Replacement | Direct alternative to Manuli fittings |
| 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.





