Caterpillar C9.3 fuel pump 490-5709 C9.3B engine fuel pump D6 excavator fuel pump E336 pump assembly CAT engine parts

◆ Product Overview
A complete fuel pump assembly designed for Caterpillar C9.3 and C9.3B diesel engines, used in D6, E336, and D6T series excavators. This direct OEM replacement for part number 490-5709 ensures reliable fuel delivery, optimal engine performance, and system integrity for heavy-duty excavation, mining, and construction applications.

◆ OEM Part Number
✓ 490-5709 / 4905709

◆ Compatible Engine & Equipment
✓ Caterpillar C9.3 Engine
✓ Caterpillar C9.3B Engine
✓ CAT D6 Excavator
✓ CAT E336 Excavator
✓ CAT D6T Excavator

◆ Product Specifications
✓ Condition: 100% New or Premium Remanufactured (As Specified)
✓ Type: Complete Fuel Pump Assembly
✓ Application: Heavy-Duty Excavator & Mining Equipment Diesel Engine
✓ Function: Supplies fuel at correct pressure and flow to the high-pressure injection system.

◆ Key Features
✓ Direct CAT OEM Replacement: Exact fit for C9.3/C9.3B engines in specified excavator models.
✓ Complete Assembly: Includes integrated components for a definitive, ready-to-install solution.
✓ Reliable Performance: Ensures consistent fuel delivery for maximum engine power, torque, and efficiency.
✓ Robust Construction: Built to Caterpillar's standards for durability in the most demanding environments.

◆ Quality Assurance
✓ Performance Tested: Each assembly is tested to verify flow rates, pressure output, and operational consistency.
✓ Leak & Pressure Integrity Tested: All seals and internal components are validated for reliability.
✓ Calibration Verified: Set to meet Caterpillar’s stringent engineering and emission standards.

◆ Installation Applications
✓ Replacement of a failed or underperforming fuel pump on C9.3/C9.3B-powered D6/E336/D6T excavators.
✓ Major fuel system overhaul during engine rebuild or scheduled major service.
✓ Correction of performance issues such as power loss, erratic operation, or fuel-related fault codes.
✓ Preventive maintenance to ensure uninterrupted operation in critical mining and construction projects.

◆ Service Advantages
✓ Maximizes Machine Uptime: A reliable pump assembly reduces the risk of unexpected downtime.
✓ Protects High-Value Components: Ensures proper fuel supply to protect injectors and the high-pressure pump.
✓ Maintains Peak Performance: Supports the excavator's full rated digging force and productivity.
✓ Simplified Service: A complete assembly streamlines the repair process compared to individual component replacement.