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WG9727710002 Pressure Sensor Suitable for Various Heavy-duty Truck Models

The Electronic Air Pressure Sensor (Part No. WG9727710002) is a critical component in the braking and monitoring system of SINOTRUK (China National Heavy Duty Truck Group) heavy-duty trucks. Designed as an air pressure transducer, this sensor continuously monitors the air pressure within the vehicle’s brake reservoir tanks (air chambers) and converts it into an electrical signal—typically analog voltage or frequency—for transmission to the instrument cluster, electronic control unit (ECU), or air management system.

This real-time data enables accurate display of air pressure on the dashboard gauge and supports intelligent functions such as low-pressure warning alarms, automatic brake adjustments, and fault diagnostics. As a key safety device, it ensures that drivers are promptly alerted to insufficient air pressure before initiating movement, preventing dangerous brake failure.

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Model:
WG9727710002
Brand:
Shacman Sinotruk HOWO FAW Dongfeng Foton Auman Yutong Bus Parts

Product Description

Attribute	Description
Product Name	Electronic Air Pressure Sensor / Air Pressure Transducer
Part Number	WG9727710002
Alternative Numbers	WG9727710002/1 (batch variation)
Function	Converts pneumatic pressure into electrical signal for instrumentation
Output Signal Type	Analog voltage (0–5V) or frequency signal (PWM), depending on ECU protocol
Operating Voltage	24V DC (standard for heavy-duty commercial vehicles)
Measurement Range	0 – 10 bar (1.0 MPa) or 0 – 12 bar (customizable)
Accuracy	±0.1 bar under normal conditions
Pressure Port Thread	M16 × 1.5 (metric fine thread, standard)
Electrical Connector	2-pin or 3-pin circular waterproof connector (Deutsch-style or equivalent)
Protection Rating	IP67 (dust-tight and protected against water immersion)
Housing Material	Aluminum alloy body + high-strength engineering plastic cap
Operating Temperature	-40°C to +105°C
Standard Compliance	GB/T, ISO 16750 (environmental testing), QC/T 827 (automotive sensors)

Parameter	Specification
Model Number	WG9727710002
Supply Voltage	24V DC nominal (operating range: 20–30V)
Output Signal	0.5–4.5V linear output (typical); PWM option available
Full Scale Output	Corresponds to 10 bar (or 12 bar) max pressure
Response Time	< 10 ms
Repeatability	±0.05 bar
Long-Term Stability	Drift < 0.1% FS/year
Seal Material	NBR or FKM (fluoroelastomer) for cold resistance
Cable Length (if integrated)	~1.5 m (standard harness)
Vibration Resistance	Complies with ISO 16750-3 (mechanical stress)
Approvals	OE-approved for SINOTRUK HOWO, SITRAK, HOHAN series

Part Number (OEM NO.)	Part Name	Compatible Shacman Models	Specification
DZ9100580141	Air Pressure Gauge Sensor	Shacman Delong X3000, M3000, F3000, Aolong	Voltage signal output, 0.5-3.77V signal range, 0-12bar measurement range, M12x1.5 thread, 2-pin connector
DZ97189711201	Air Pressure Gauge Sensor	Shacman Delong F2000, F3000, H3000, L3000, M3000, X3000, X5000, X6000	Voltage signal output, 0.5-3.77V signal range, 0-12bar measurement range, M12x1.5 thread, 3-pin connector
81.27421.0151	Air Pressure Gauge Sensor	Shacman Delong F2000, F3000, Aolong	Resistance signal output, 0-12bar measurement range, M12x1.5 thread, 2-pin connector
DZ96189361076	Dual Air Pressure Integrated Sensor	Shacman X5000, X6000	Dual channel voltage signal output, 0.5-3.77V signal range, 0-12bar measurement range, 7-pin connector, dual air pressure monitoring
612600090765	Air Pressure Gauge Sensor	Shacman trucks with Weichai engine	Voltage signal output, 0.5-3.77V signal range, 0-12bar measurement range, M14x1.5 thread, 3-pin connector
4921493X	Air Pressure Gauge Sensor	Shacman heavy duty trucks	Voltage signal output, 0.5-3.77V signal range, 0-12bar measurement range, M12x1.5 thread, 3-pin connector