SINOTRUK HOWO Trailer Brake Control Valve WG9000360505 Air Brake System Parts
SINOTRUK Truck Air Brake System Parts Trailer Brake Control Valve WG9000360505
The WG9000360505 Trailer Control Valve sits in the air brake circuit of a SINOTRUK HOWO tractor and handles the control signal that goes back to the trailer — when the driver brakes, the valve takes the pneumatic signal from the tractor's brake circuit, regulates it, and passes the right air output through the trailer coupling so the trailer brakes come on at the same time as the tractor's. In the parts book, it's listed together with the WG9000360170 and WG9000360171 trailer connectors, spiral tube, air hoses, and fittings, which shows where it sits in the trailer air system. It's built for air-braked commercial vehicles, and it matters most on tractors that pull semi-trailers, tank trailers, dump trailers, or any other trailer running on the same air supply.
Product Specification
| Product Name |
Trailer Control Valve / Trailer Brake Control Valve |
|---|---|
| Part Number |
WG9000360505 |
| Condition | New |
| Origin | China |
| Quality Standard | 100% Tested |
| Quality Certification | ISO, CCC, GSO, CE, SGS, TUV |
| Weight | 1.9 KG |
| Dimensions |
150 mm × 150 mm × 200 mm |
Q1: What are common signs that the air dryer needs inspection?
Possible signs include:
- Excessive moisture in the air reservoir
- Water accumulation in pneumatic lines
- Abnormal air leakage around the dryer
- Incorrect pressure-control behavior
- Frequent compressor unloading/loading cycles
- Air dryer exhaust operating abnormally
The compressor, air lines, reservoirs, and downstream valves should also be inspected before replacing the complete dryer assembly.
Q2: Does WG9000360417 require matching to the truck's air pressure system?
Q3: What components work with the air dryer?
The air dryer normally works with:
- Air compressor
- Air reservoirs
- Air brake valves
- Pneumatic control valves
- Air pipelines
- Pressure sensors
- Pressure protection components
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