Shandong Shengyue Technology Development Co.,Ltd is one of the most professional sinotruk howo dpf / dfn differential pressure sensor 5653803 5654247 5492073 5572051 manufacturers and suppliers in China. Please feel free to buy high quality genuine auto parts at competitive price from our factory.
SINOTRUK HOWO DPF / DFN Differential Pressure Sensor 5653803 5654247 5492073 5572051
Core Function (DPF Monitoring)
1. They measure, in real time, the pressure difference of the exhaust gas before and after it passes through the DPF filter.
2. Calculating soot load: The exhaust pressure differential serves as the most direct indicator for the engine control unit (ECU) to determine the level of clogging within the DPF.
Low pressure differential: Indicates that the DPF is unobstructed.
Excessive pressure differential: Indicates that the filter is saturated with accumulated soot; the ECU then triggers either active driving regeneration or stationary regeneration to burn off the soot using high temperatures.
Common Fault Symptoms
1. Dashboard warning light (yellow/red engine light): Accompanied by fault codes such as "DPF differential pressure implausible" or "differential pressure sensor voltage too high/low."
2. Vehicle torque limitation (commonly known as "limp mode" or "power/speed restriction"): If the ECU fails to receive accurate differential pressure data, it will force the engine speed to remain below 60 km/h to prevent the DPF from completely burning out or becoming irreversibly clogged; the vehicle will not accelerate properly when the throttle is applied.
3. Underlying causes of frequent error alerts: Sometimes the sensor itself is not faulty; instead, the issue lies with the two rubber exhaust hoses connected to the sensor (which may be cracked or leaking) or the metal pipes (which may be blocked by frozen condensation or carbon buildup), resulting in inaccurate pressure readings sent to the sensor. The piping/hoses should be inspected first during repairs.
Fine-Grained Comparison of Core Parameters Across Engine Models
| Cummins Part No. (OE Code) | OEM Manufacturer & Cross Reference | Compatible Engine Series | Emission Stage & System Requirements | Electrical Connector Type | Internal Measuring Range |
|---|---|---|---|---|---|
| 5653803 | Cummins A064R957 Sensata 5MPP Series Derivative |
ISF 4.5, QSF 4.5, B6.7, Z14 |
Euro VI / China VI (Next-Gen Aftertreatment) |
3-Pin / 4-Pin Waterproof & Anti-Vibration Connector | High-Sensitivity Range (0 - 100 kPa Differential Pressure) |
| 5654247 | Cummins A065M609 DCEC / BFCEC Standard Fitted Part |
ISF 2.8, ISF 3.8 (High-Volume Light Truck Engine) |
China VI (Dedicated DPF Soot Load Monitoring) |
3-Pin Standard Compact Blade Plug | Medium Range (0 - 70 kPa Differential Pressure) |
| 5492073 | Cummins 4358994 Sensata 5MPP2-10 |
ISX15, X15, QSX15 (15L Heavy-Duty Flagship Engine) |
US EPA17 / China VI (Heavy-Duty Platform) |
US Standard Heavy-Duty 4-Pin High-Temperature Plug | Wide-Band High-Vibration Resistant (0 - 120 kPa Differential Pressure) |
| 5572051 | Cummins A061H838 Industry Alias: "Foton-Cummins Large-Head Valve" |
ISF 2.8, ISF 3.8, ISG Heavy-Duty Series |
Euro VI / China VI (Early to Mid-Stage Systems) |
3-Pin Widened Error-Proof Snap-Lock Plug | Stabilized Piezoresistive Sensor Chip |
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Hot Tags: sinotruk howo dpf / dfn differential pressure sensor 5653803 5654247 5492073 5572051, manufacturers, suppliers, factory, parts, genuine, original, HOWO engine Crankshaft, HOWO Flywheel housings, howo main bearings, HOWO Water pump, Sinotruk Crankshaft, WD615 engine Water pump
