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High Quality Truck Steerings for Howo Power Steering Pump for JAC FAW HONGYAN SHACMAN M4101WG9131476025 WG9619470080 Power steering pump

The WG9619470080 is a high-performance vane-type hydraulic power steering pump designed for SINOTRUK (China National Heavy Duty Truck Group) heavy-duty trucks. As the primary power source of the hydraulic steering system, it generates high-pressure oil flow to assist the driver in turning the wheels, significantly reducing steering effort — especially critical under heavy load, low-speed maneuvering, or off-road conditions.

Engineered for durability and reliability, this pump delivers consistent pressure and flow across a wide range of engine speeds, making it a key component in ensuring safe and responsive handling for long-haul transporters, dump trucks, and mining vehicles.
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  • WG9619470080

  • FAW

Attribute Description
Product Name Power Steering Pump / Hydraulic Directional Assist Pump
Pump Type Balanced vane pump (Single-stage)
Brand Compatibility SINOTRUK (Primary), HOWO, Steyr, Shacman F-series, FAW, Foton Auman (with matching gear interface)
Function Supplies pressurized hydraulic fluid to the steering gear (e.g., recirculating ball or rack & pinion type)
Drive Mechanism Belt-driven via engine crankshaft pulley
Quality Standard OEM specification compliant; meets GB/T and internal SINOTRUK engineering standards
动力转向泵-2


动力转向泵-1


Parameter Specification
Part Number WG9619470080 (Base model); variants include WG9619470080/4
Displacement (Nominal) 18.0 ml/rev (some variants: 16.0 ml/rev)
Maximum Pressure 15.0 MPa (~150 bar / 2175 psi)
Flow Rate 16.0 L/min (at rated speed)
Operating Speed Range 500 – 3600 rpm
Rotation Direction Left-hand rotation (LH) – when viewed from drive end
Drive Gear 17-tooth straight gear (17T) – mates with PTO or intermediate shaft
Inlet Port (Suction) M26 × 1.5 thread
Outlet Port (Pressure) M18 × 1.5 thread
Mounting Style Bracket-mounted with adjustable tension for belt drive
Weight Approx. 5.4 kg (11.9 lbs)
Housing Material Ductile iron or high-strength cast steel – excellent wear resistance and structural rigidity
Internal Components Hardened vanes, dual-metal side plates, precision-ground rotor, reinforced seals
Noise Level Optimized chamber design reduces operational noise (<78 dB at full load)


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