Komatsu 4D102 fuel injection pump 4063968 4BT3.9 engine fuel pump R140LC-7 excavator fuel pump 101405-3350 Komatsu engine parts

◆ Product Overview
A high-precision fuel injection pump designed for the Komatsu 4D102 (or compatible Cummins 4BT3.9) diesel engine used in the Komatsu R140LC-7 excavator. This direct OEM replacement is compatible with part numbers 4063968 and 101405-3350. It ensures accurate fuel metering, optimal combustion, and restoration of factory-rated power, torque, and fuel efficiency for reliable earthmoving performance.

◆ OEM Part Numbers
✓ 4063968
✓ 101405-3350

◆ Compatible Engine & Equipment
✓ Komatsu 4D102 Engine
✓ Cummins 4BT3.9 Engine (Compatible variant)
✓ Komatsu R140LC-7 Excavator

◆ Product Specifications
✓ Condition: 100% New or Premium Remanufactured (As Specified)
✓ Type: High-Pressure Fuel Injection Pump
✓ Application: Excavator Diesel Engine
✓ Calibration: Pre-set to factory specifications (Komatsu/Cummins) for fuel delivery, timing, and pressure.

◆ Key Features
✓ Direct OEM Replacement: Exact fit for the 4D102/4BT3.9 engine in the R140LC-7 excavator.
✓ Precision Fuel Delivery: Ensures correct injection timing and quantity for maximum engine efficiency and digging power.
✓ Robust Construction: Built to withstand the high pressures and vibrations of excavation work.
✓ Performance Restoration: Effectively addresses engine issues such as power loss, excessive smoke, poor throttle response, and hard starting.

◆ Quality Assurance
✓ Performance Tested: Each pump is bench-tested to verify correct flow rates and pressure curves.
✓ Leak & Pressure Integrity Tested: All seals and internal components are validated for reliability.
✓ Calibration Verified: Set to meet stringent OEM standards for performance and emissions.

◆ Installation Applications
✓ Replacement of a failed or underperforming injection pump on an R140LC-7 excavator.
✓ Major fuel system overhaul during engine rebuild or scheduled major service.
✓ Correction of diagnostic trouble codes related to fuel pressure and delivery.
✓ Preventive maintenance to ensure long-term reliability and minimize unscheduled downtime.

◆ Service Advantages
✓ Restores Full Excavator Performance: Returns the machine to its rated digging force and productivity.
✓ Protects Your Investment: Proper fuel system function is key to the longevity of your excavator.
✓ Improves Operational Efficiency: Optimized combustion improves fuel economy.
✓ Ensures Compatibility: Designed specifically for the Komatsu R140LC-7 platform with the 4D102/4BT3.9 engine.