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WEICHAI WP10 WD615 ENGINE Hydraulic Power Steering Pump 612600130476 WF2-ZYB-B771H1
Typically configured with 17 teeth (Z=17)-or, in some variants, 19 teeth (Z=19)-this component features an external gear diameter of approximately 58 mm and a mounting pilot bore diameter of approximately 60 mm. It functions to convert the mechanical energy of the engine into hydraulic energy, providing a constant, high-pressure hydraulic supply for the vehicle's steering system.
Weichai WP10/WD615 Engine Power Steering Pump & Hydraulic Circuit System Maintenance BOM
| BOM Level | Part Number (P/N) | Description (EN) | Qty / Vehicle | Key Technical Specifications / Remarks |
|---|---|---|---|---|
| 1.0 | 612600130476 | Power Steering Pump Assembly | 1 Pc | Core Item: Model WF2-ZYB-B7/71H1. Standard 17-Teeth (Z=17) helical drive gear. Nominal flow rate: 24 L/min. Max rating: 14 MPa. |
| 1.1 | 612600130734 | Power Steering Pump Paper Gasket | 1 Pc | Must be replaced simultaneously: Installs between the pump mounting flange and the engine timing gear housing to prevent engine oil weeping. |
| 1.2 | DZ9100470125 (or per chassis spec) |
Power Steering Fluid Reservoir Tank | 1 Pc | Mandatory Renewal/Cleaning: Features an integrated internal mesh/paper steering filter. Old worn pumps leave metallic debris here; reusing the old tank/filter will instantly ruin the new pump. |
| 1.3 | Per chassis catalog | High-Pressure Steering Delivery Hose | 1 Pc | Connects the power steering pump outlet port to the steering gear box. Subject to extremely high pressures; replace if outer rubber is cracked or blistered. |
| 1.4 | Per chassis catalog | Low-Pressure Steering Suction Hose | 1 Pc | Connects the bottom of the fluid tank to the pump inlet port. If the rubber is soft/aged, high engine RPM will collapse the hose under vacuum, starving the pump. |
| 1.5 | Thread Match (M26/M18) | Fluid Inlet/Outlet Banjo Bolts | 1 Set | Dedicated hollow bolts securing the banjo hose fittings. Standard sizes are typically M26×1.5 for suction inlet and M18×1.5 for high-pressure outlet. |
| 1.6 | Thread Match | High-Pressure Copper Sealing Washers | 4-6 Pcs | Placed on both sides of the banjo hose fittings. They deform upon torquing to create a seal and must never be reused. Always renew. |
| 1.7 | Consumable | Heavy-Duty Power Steering Fluid / ATF | Approx. 3-5L | Requires a complete drain and refill with clean hydraulic steering oil (e.g., No. 8 steering fluid) followed by the standard axle-jacked bleeding procedure. |
DETAILS
| DESCRIPTION | Hydraulic Power Steering Pump | PART NUMBER | 612600130476 WF2-ZYB-B771H1 |
| WEIGHT | 4kg | VOLUME |
210 mm × 150 mm × 140 mm |
| TRUCK MOLDE | SINOTRUK | QUALITY | Copy,High Copy, OEM,Original |
| MOQ | 1 | WARRANTY | 1 year |
| PAYMENT | TT/WESTEN UNION | SHIPMENT | by air/sea/railway |
| BRAND | SINOSACHS | PLACE OF ORIGIN | JINAN CITY,CHINA |
| STOCK | IN STOCK | APPLICABLE SITE | CHASSIS |
| PACKAGE | Carton/Woodenbox | PORT OF LANDING | Qingdao Port,China |
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