✅ Compatibility

• Make: Cummins / Hyundai
• OEM Part Number: 3973228
• Fits Cummins Engines:
  • 6C8.3
  • ISC CM850
  • ISL CM850 / ISL CM2150
  • ISL8.9 CM2150 L110 / ISL8.9 CM2880 L112 / ISL8.9 CM2880 L140
  • ISL9 CM2150 SN
  • ISLE4 CM850
  • N14 Mechanical
  • NH 855 / NT 855
  • QSC8.3 CM850 (CM2850)
  • QSL9 CM850 (CM2850)
• Fits Hyundai Equipment (with above Cummins engines):
  • Forklift: 180D-7E
  • Wheel Loader: HL770-7A, HL770-9
  • Excavator: R320LC-7A, R320LC-9, R360LC-7A, R360LC-9

🔑 Key Specs

• Part Number: 3973228
• Compatible Engines: Cummins 6C8.3 / ISC / ISL / ISL8.9 / ISL9 / ISLE4 / N14 / NH855 / NT855 / QSC8.3 / QSL9 series
• Component Type: Fuel injection pump — pressurizes and meters fuel delivery to the injectors; failure causes hard starting, low power, rough running, excessive smoke, and fuel system fault codes
• Available Conditions: New Aftermarket / Remanufactured (select from options above)
• SKU: 3973228

📦 What's Included

• 1× Fuel Injection Pump (3973228) — New Aftermarket or Remanufactured (per selected option)

🔧 Product Highlights

• Available in New Aftermarket and Remanufactured options — covering 13 Cummins engine variants across the 6C8.3, ISC, ISL, ISL8.9, ISL9, N14, NH855, NT855, QSC8.3, and QSL9 series, and 8 Hyundai forklift, loader, and excavator models.
• Restores precise fuel metering and injection pressure — eliminates hard starting, low power, rough running, excessive smoke, and fuel system fault codes in Cummins-powered heavy equipment and commercial vehicle applications.

⚠️ Verify existing fuel injection pump part number and ECM code before purchasing. If you are unsure, feel free to ask us — we will be happy to confirm fitment for you.