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463-1678 4631678 9521A031H Fuel Injection Pump for Excavator 320D2 320D2 L 323D3 329D2 Engine C7.1
Original price was: $2,299.00.$2,000.00Current price is: $2,000.00.
For comprehensive product details and privileged offers, kindly get in touch with our team through email or WhatsApp.
Description
Part Numbers: 463‑1678 / 4631678 / 9521A031H
Application: Caterpillar C7.1 Diesel Engine
Fit Excavator Models: 320D2, 320D2 L, 323D3, 329D2
This high‑pressure fuel injection pump is a critical core component for CAT C7.1 engine fuel supply system, widely used on Caterpillar 320D2, 320D2 L, 323D3 and 329D2 excavators. It delivers precise fuel pressure and fuel volume to each cylinder, guarantees stable engine power output, good fuel economy and reliable startup performance under heavy‑load construction conditions.
Every fuel injection pump goes through pressure testing before delivery to avoid common failures such as hard starting, insufficient power, black smoke, fuel leakage and unstable engine idling caused by damaged original pump.
✅ Perfect fit for C7.1 engine installed on 320D2, 320D2 L, 323D3, 329D2 excavators
✅ Strict pressure test finished before shipment, stable working performance
✅ Suitable for machine repair workshop, equipment overhaul and field replacement
Important Note:
Please double‑check your engine model, machine model and part number before ordering to prevent wrong‑part delivery.
If you need other C7.1 spare parts such as injectors, gasket kits and sensors, welcome to contact our sales team for more options.
Related C7.1 Spare Parts You May Need:
• [C7.1 Fuel Filter] ‑ Fuel filter for CAT C7.1 engine
• [C7.1 Belt Tensioner] ‑ Belt Tensioner
• [CAT 320D2 Excavator Parts] ‑ Full spare parts list for 320D2 /320D2‑L
Additional information
| Part Number | 463-1678 4631678 9521A031H |
|---|---|
| Model | Excavator 320D2 320D2 L 323D3 329D2 Engine C7.1 |
| Product | Fuel Injection Pump |
| Availability | In Stock |
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