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Custom Made P25 Piston, Wuxi Order Number U471, Diesel Engine Injector Piston Assembly, High Pressure Fuel Pump Parts
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| Product Type | Injector Pump Plunger |
| Compatible Pump Type | Bosch P25 Series Inline Pump |
| Order Number | U471 |
| Piston Diameter | 9.5mm / 10mm (P25 standard specification) |
| Material | High Alloy Tool Steel / Chrome Steel |
| Surface Treatment | Nitriding/chroming/DLC (Diamond Like Carbon) coating optional |
| Manufacturing Process | Precision grinding, ultra-fine polishing, and complete matching |
| Fitting Clearance | 0.0015 - 0.003 mm (Standard Manufacturing Tolerance) |
| Working Pressure | ≤ 120 MPa |
| Applications | Construction machinery, agricultural tractors, generator sets, heavy-duty diesel engines |
Manufacturer No.
U471
Fitment Vehicles
Bosch P25 Series Inline Fuel Pump
Fuel System - Industrial Encyclopedia
Supply custom made piston U471 from Wuxi, compatible with Bosch P25 series inline fuel injection pump piston assembly. Made of high alloy steel, precision ground and surface hardened, ensuring high sealing and wear resistance. Widely used in construction machinery, agricultural vehicles and fixed power diesel engine fuel injection system maintenance and replacement.