Key Parameters

Cross Reference

Equivalent Part Numbers:

• 4944883
• C4944883
• Bosch 0460426217
• JR924983 (Remanufactured)

Features & Advantages

• Rotary Pump Design: Engineered for heavy-load operation in diesel engines, providing superior fuel pressure and timing for enhanced power and economy.
• Precision Metering: Heat-treated components with 0.01mm tolerance for accurate fuel injection, reducing emissions and improving start-up.
• OEM Balanced Construction: Machined to Cummins specs for seamless integration, minimizing vibration in 6BT applications.
• Versatile Application: Suitable for construction, agricultural, and trucking, ensuring reliable performance in Euro 2/3 equivalent engines.

Common Faults & Replacement Signals

• Fuel Delivery Issues: Worn internals cause hard starting or power loss—replace if pressure drops below 300 psi.
• Leaks or Contamination: Cracked housing leads to fuel/oil mixing; check for wet spots or black smoke.
• Injector Faults: Poor metering results in rough idle or misfires; monitor for 5-10% fuel efficiency drop.
• Governor Failure: High-mileage operation without timely replacement causes RPM instability; inspect during 100,000-mile service.

Installation Notes

1. Preparation: Drain fuel and disconnect lines; remove old pump and inspect timing gear (ensure alignment marks match).
2. Alignment: Install new pump with gasket, torque bolts to 40 Nm in sequence (consult manual), and time with injection lines.
3. Lubrication: Prime with diesel; ensure no air in system by bleeding lines.
4. Testing: Reassemble, start the engine, and check for leaks; monitor fuel pressure for 10 minutes.
5. Pro Tip: Use an OEM-grade fuel filter during install and a calibrated torque wrench to avoid misalignment; recalibrate if ECU faults appear.

Packaging & Shipping

• Packaging: Sealed in an anti-corrosion bag with protective foam insert, boxed for safe transit.
• Delivery: Worldwide free shipping on orders over $50; 3-7 days to most locations from the China warehouse.

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