MultiStar Cold – Your Source for Bus Air Conditioner Parts
The U4856 China-Made Replacement (Aquavent 6000 SC) is a high-quality aftermarket 24V brushless circulating pump designed as a direct replacement for Webasto, Valeo, Spheros, and Eberspächer bus heating systems. With 210W power, 6,000 l/h flow rate, and a sealless magnetic coupling, it delivers the same reliable coolant circulation as the original at a significantly lower cost.
Multistar Cold is your one-stop supplier for bus AC parts and transport refrigeration parts – original new and China-made options at competitive prices.
Premium Aftermarket Brushless Circulating Pump – One-Stop Bus AC & Transport Refrigeration Parts Supplier
Valeo / Spheros:
11117198A, 11117198C, 11117205
2710194A, 2710210A
9810016A
1311280B
Webasto:
U4856, U4856.001, U4856.008, Aquavent 6000SC
EvoBus (Mercedes-Benz):
002 835 29 64
A002 835 29 64
002 835 58 64
A002 835 58 64
MAN:
36.77905.6003
Solaris:
1802.904.170
1802900204
✨ Key Features & Benefits
- China-Made Replacement – Same fit, form, and function as the original at a lower cost
- Brushless Motor – High efficiency, low power consumption, and long service life
- Sealless Magnetic Coupling – Watertight throughout entire lifetime, no mechanical seal to wear out
- Soft Start – Motor ramps up to nominal speed within 5 seconds for material-friendly operation
- Dry-Running Protection – Automatically shuts off after 45 minutes of dry operation; reactivates after power disconnect
- Blocking & Overload Protection – Protects motor from impeller blockage and hydraulic overpressure
- Sleep Mode – Internal electronics switch off when not in use, consuming < 2 mA
- One-stop supplier for bus AC & transport refrigeration parts
📊 Technical Specifications
| Parameter | Specification |
|---|---|
| Part Numbers | U4856, U4856.001, U4856.008, Aquavent 6000SC |
| Alternate Numbers | 11117198A, 11117198C, 11117205, 2710194A, 2710210A, 9810016A, 1311280B |
| Voltage | 24V DC |
| Nominal Power | 210W |
| Flow Rate | 6,000 l/h (against 0.4 bar) |
| Operating Voltage Range | 20 – 28V |
| Water Connection Diameter | Ø 38mm |
| Electrical Connector | AMP 6.3 |
| Motor Type | Brushless, magnetic coupling (sealless) |
| Dimensions (L x W x H) | 229 x 115 x 110 mm |
| Weight | 2.5 kg |
| Protection Features | Dry-running protection, blocking protection, overload protection, soft start |
🚛 Compatible Applications
This circulating pump is a direct replacement for Webasto, Spheros, Valeo, and Eberspächer pre-heaters installed on buses and rail vehicles.
| Application | Details |
|---|---|
| Pre-Heaters | DBW 230, DBW 300, DBW 350, Thermo 230, Thermo 300, Thermo 350, Thermo E200, Thermo E320 |
| Bus Brands | MAN, Mercedes-Benz, Volvo, Scania, Van Hool, EvoBus, Setra, Neoplan, Solaris, Ikarus, Irisbus |
| Rail Vehicles | Maneuver locomotives, RA-1/RA-2 rail buses |
| 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.