1311-00778 Expansion Tank, 4.5 Liters Capacity
This OEM expansion tank (Model 1311-00778) with 4.5-liter capacity is specifically engineered for Zhongtong Bus cooling systems. Designed for front-mounted, centered and lower installation, it serves as a critical component for managing coolant expansion, stabilizing system pressure, and ensuring optimal engine temperature regulation.
Product Overview
The 1311-00778 expansion tank accommodates coolant volume expansion during engine temperature increases while providing pressure stabilization, coolant supplementation, and air removal functions. This prevents excessive system pressure that could lead to leaks or component damage, ensuring reliable bus cooling system performance.
Key Features
- 4.5-liter capacity perfectly matched to Zhongtong Bus cooling requirements
- Front-mounted, centered and lower installation position for optimal space utilization
- High-strength engineering plastic (PP material) construction
- Resistant to high temperatures, corrosion, and impact
- Clear liquid level marks for easy coolant monitoring
- Integrated expansion pipe, overflow pipe, and water supplement port
- Direct OEM replacement - no modifications required
- 100% brand new condition with complete quality testing
Technical Specifications
| Attribute |
Specification |
| Product Name & Model |
Expansion Tank, Model 1311-00778 |
| Applicable Vehicle |
Zhongtong Bus |
| Quality Grade |
OEM, High Quality, 100% New |
| Material |
High-Strength Engineering Plastic (PP Material) |
| Capacity |
4.5 Liters |
| Installation Position |
Front-mounted, Centered and Lower Position |
| Structure Features |
Liquid Level Mark, Expansion Pipe, Overflow Pipe, Water Supplement Port |
| Operating Parameters |
High Temperature Resistant, Corrosion Resistant, High Sealing |
| Condition |
100% Brand New OEM, No Leakage |
Installation & Applications
Simple bolt-on installation aligns with front-mounted brackets. Connect expansion, overflow, and water supplement pipes as marked. After installation, add qualified coolant and check for leaks. Ideal for Zhongtong Bus fleets, maintenance shops, and auto parts distributors seeking reliable OEM replacement solutions.
