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| Product Name | Piston |
| Part Number | 519A |
| Applicable Pump Type | Longkou Fuel Pump |
| Material | Alloy Steel |
| Process | Precision Grinding, Heat Treatment |
| Certification | ISO9001, CE |
| Warranty | 3 Months |
| Minimum Order Quantity | 1 piece |
Manufacturer No.
519A
Engine Part No.
YC6D6M
Interchange No.
509A714542532535597524A7221533
Fitment Vehicles
Construction Equipment
Fuel System - Industrial Encyclopedia
Jielin 519A Piston, suitable for Longkou fuel pump series, made of high-quality alloy steel, precision ground and heat treated to ensure high pressure sealing and durability of the fuel injection system. This piston is commonly used in engineering machinery and diesel engine fuel injection pumps such as YC6D6M models. As a key component of the fuel injection system, the 519A piston provides stable fuel supply and extends the life of the pump body.