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Wuxi Weifu U127 Diesel Plunger (PW Type)
| Product Type | Diesel Injector Plunger Assembly |
| Pump Series | PW type (universal component for inline pump/distributor pump) |
| Piston Code | PM2 |
| Manufacturer Part Number | U127 |
| Series Associated Model | PW35, U858 (PML), U174 (PML), U155 (PM5) |
| Material | High-strength alloy tool steel (such as CrWMn, 9SiCr, etc. nitriding steel) |
| Surface Treatment | Nitriding hardening layer + mirror polishing (Ra < 0.05μm) |
| Working Pressure Range | ≤ 120 MPa (Adjustable according to specific pump type) |
| Fitting Clearance | 2.5 - 4.5 μm (Standard Fitting) |
| Applicable Fuel | Diesel (compliant with GB 252 / EN 590 Standards) |
| Manufacturing Standard | GB/T 11735 / ISO 10073 / Q/WF (Weifu Enterprise Standard) |
Manufacturer No.
U127PM2PW35U858U174U155
Interchange No.
U858U174U155PW35
Fitment Vehicles
PW type diesel fuel injector pumpInline pumpDistribution pumpConstruction machinery diesel engineAgricultural tractor diesel engineGenerator set diesel engine
Fuel System - Industrial Encyclopedia
High-precision diesel fuel pump plunger for Wuxi Weifu U127 series. Compatible with OEM parts U127, PM2, PW35, U858, U174, and U155. Ensures optimal fuel delivery and engine performance.