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| Product Type | Piston assembly (piston and piston sleeve assembly) |
| Brand | Bosch |
| Part Number | 9443610373 |
| Interchange Number | 131154-3920, A281 |
| Applicable System | Mechanical Diesel Fuel Injection Pump |
| Applications | Old model heavy-duty diesel engine |
Manufacturer No.
9443610373
Interchange No.
131154-3920A281
Fitment Vehicles
Heavy-duty diesel engine
Fuel System - Industrial Encyclopedia
Bosch Original 9443610373 Piston Assembly (piston and piston sleeve assembly), designed for repairing and maintaining older heavy-duty mechanical diesel fuel injection pumps. This piston assembly includes interchange numbers 131154-3920 and A281, made of high-quality materials, and requires installation and calibration by a professional to ensure engine operation. Suitable for various heavy-duty diesel engines, it is a key component of the fuel injection system.