Perkins 9521A031H Delphi DP310 Fuel Injection Pump for Caterpillar C7.1 Engine
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| Product Type | Fuel Injection Pump |
| System Type | Delphi DP310 High Pressure Common Rail System |
| Part Number | 9521A031H / 9521A030H |
| OEM Number | 4631678, 398-1498, T413368 |
| Engine Model | Perkins / Caterpillar C7.1, Perkins C6.6 |
| Compatible Model | Caterpillar 320D, 320D2, 323D3 Excavator |
| Function | High-pressure Fuel Delivery, Enhance Engine Power and Efficiency |
| Installation Advice | Recommended Professional Installation |
| Color | Silver |
Manufacturer No.
9521A031H9521A030H
OEM Part No.
4631678463-1678398-1498T413368
Engine Part No.
Perkins C7.1Caterpillar C7.1Perkins C6.6
Interchange No.
9521A030H4631678398-1498T413368
Fitment Vehicles
Caterpillar 320DCaterpillar 320D2Caterpillar 323D3E320D2
Fuel System - Industrial Encyclopedia
Perkins original quality fuel injection pump, part number 9521A031H / 9521A030H. This fuel injection pump is specifically designed for the Caterpillar 320D, 320D2 excavator's C7.1 engine, using the Delphi DP310 system to ensure precise fuel injection and optimize power output and fuel economy. Direct replacement for part numbers 4631678, 398-1498, etc., it is a core component of the construction machinery fuel system, easy to install, and reliable in performance.