Komatsu PC450-8 fuel injection pump 094000-0571 6251-71-1120 excavator diesel fuel pump PC450-8 injection pump Komatsu engine parts

◆ Product Overview
A high-precision, heavy-duty fuel injection pump specifically engineered for the Komatsu PC450-8 excavator. This direct OEM replacement is compatible with part numbers 094000-0571 and 6251-71-1120. It ensures accurate fuel metering, optimal combustion, and restoration of factory-rated power, torque, and fuel efficiency for demanding large-scale excavation, quarrying, and mining operations.

◆ OEM Part Numbers
✓ 094000-0571
✓ 6251-71-1120

◆ Compatible Equipment
✓ Komatsu PC450-8 Excavator

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

◆ Key Features
✓ Direct Komatsu PC450-8 Replacement: Engineered for exact fit and performance within the PC450-8’s advanced fuel system.
✓ Precision Fuel Delivery: Ensures correct injection timing and quantity for maximum engine efficiency, immense power output, and rapid throttle response under full load.
✓ Built for Extreme Conditions: Robust construction to withstand the continuous high-pressure, high-vibration, and high-temperature environment of a large mining excavator.
✓ Performance Restoration: Effectively resolves critical engine issues such as severe power loss, excessive emissions, poor fuel economy, and unreliable starting.

◆ Quality Assurance
✓ Comprehensive Bench Testing: Each unit undergoes rigorous testing to verify flow rates, pressure curves, and governor function across the entire operating range.
✓ Leak & Pressure Integrity Tested: All seals and internal components are validated to prevent failures in the most demanding conditions.
✓ Calibration Certified: Set to meet Komatsu’s stringent global standards for performance, durability, and emission compliance.

◆ Installation Applications
✓ Complete replacement of a failed or underperforming main injection pump on a Komatsu PC450-8 excavator.
✓ Major fuel system overhaul during a planned engine rebuild or component exchange program.
✓ Correction of diagnostic trouble codes and performance deficiencies affecting productivity and cycle times.
✓ Preventive maintenance to ensure maximum uptime and reliability in critical, high-value mining and infrastructure projects.

◆ Service Advantages
✓ Maximizes Machine Availability & ROI: A reliable pump is essential for maintaining the high utilization rate required for a PC450-8’s return on investment.
✓ Protects a Major Capital Asset: Proper fuel system function is vital for the long-term health, resale value, and total cost of ownership of this large excavator.
✓ Optimizes Total Operating Cost: Correct combustion improves fuel efficiency and prevents costly downstream damage to injectors and turbochargers.
✓ Ensures Peak Productivity: Delivers the consistent power and response needed for optimal hydraulic system performance and fast cycle times.