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Shacman Automobile Delong F3000 Air Handling Unit & Dryer Assembly DZ96189369474 & DZ91189360049 for Trucks Truck Parts

The DZ96189369474 Air Dryer Assembly is a critical component of the pneumatic braking system on SHACMAN Delong heavy-duty trucks, serving as the central air treatment unit that purifies compressed air before it enters the vehicle’s air reservoirs and control valves. Commonly referred to as an Air Processing Unit (APU) or brake air dryer, this OE-spec assembly ensures reliable, safe, and efficient operation of air-dependent systems such as service brakes, parking brakes, clutch assist, suspension, and transmission controls.

Engineered with advanced filtration and moisture removal technology, the DZ96189369474 integrates a desiccant cartridge (molecular sieve), four-circuit protection valve, automatic purge mechanism, and a 24V electric heater — all housed in a compact, robust design. It effectively removes water vapor, oil mist, and particulate contaminants from compressed air generated by the engine-driven compressor, significantly reducing corrosion, ice formation, and valve failure risks in harsh operating conditions.
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  • DZ96189369474 

  • Shacman

Attribute Description
Part Number DZ96189369474
Product Name Air Dryer Assembly / Brake Air Treatment Unit (APU)
OEM Status Genuine SHACMAN Original Equipment Part
Application Pneumatic Brake System – Heavy-Duty Trucks & Commercial Vehicles
Vehicle Platform SHACMAN Delong X3000, M3000(S), F3000 Series
Engine Compatibility Weichai WP Series, Cummins ISGe/ISZ Engines
Main Function Filter, dry, and regulate compressed air; protect downstream components
Integrated Features Desiccant drying, 4-circuit protection, automatic purge, anti-freeze heating
空气干燥器总成-1


空气干燥器总成-2


Parameter Specification
Working Pressure Range 0.8 – 1.0 MPa (8–10 bar)
Operating Voltage 24V DC (for heating element)
Heater Function Prevents freezing at exhaust port during winter operation
Desiccant Type High-efficiency molecular sieve (silica gel or hybrid)
Filtration Efficiency Removes >95% moisture, oil aerosols, and particles down to 5–10 μm
Automatic Purge Activates during compressor unload cycle; expels collected water/oil sludge
Valve Integration Built-in four-circuit protection valve
Four-Circuit Protection Isolates failed circuit while maintaining pressure in others (e.g., handbrake vs footbrake)
Weight (Approx.) 8 – 11 kg
Mounting Style Bracket-mounted near air compressor or front frame rail
Connection Ports Standard G1/2" or M22×1.5 threaded ports for inlet, outlet, and exhaust
Exhaust Outlet Heated nozzle to prevent ice blockage
Service Interval (Filter Cartridge) 12 months or 100,000 km (whichever comes first)
Ambient Temperature Range -40°C to +85°C
Compliance Standards Meets GB/T, ISO 15408, and functional equivalents to WABCO air dryer performance


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