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Cummins ISC ISL QSL9 Komatsu SAA6D114 – CP2H Fuel Injection Pump Rebuild Kit

Cummins ISC ISL QSL9 Komatsu SAA6D114 – CP2H Fuel Injection Pump Rebuild Kit

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Cummins ISC ISL QSL9 Komatsu SAA6D114 – CP2H Fuel Injection Pump Rebuild Kit | DX41038841

SKU: DX41038841
Application: High-pressure diesel injection pumps (CP2H/Bosch style)
Compatible Engines: Cummins ISC, ISL, QSL9 / Komatsu SAA6D114-3
Compatible Equipment: Freightliner, International, PC300-8, PC350-8
Replaces: 4088604, HG05342072, P4921431, 1T05342080
OEM Ref: 36C884


Product Overview
This complete diesel fuel injection pump rebuild kit is designed for CP2H-style pumps found in heavy-duty equipment and commercial vehicles. It includes all major internal seals, gaskets, O-rings, and retainers required to restore pressure integrity and eliminate fuel or oil leakage.

Ideal for Cummins ISC, ISL, and QSL9 engines found in highway trucks, as well as Komatsu SAA6D114 engines used in excavators like the PC300-8 and PC350-8.


Kit Contents
  • Complete set of black and green O-rings for high-pressure sealing
  • Specialized CP2H housing gasket
  • Retainers for MBB 712C gear-stage sections
  • Internal sealing rings for element sleeves and valve seats
  • Matched hardware for reassembly and leak prevention
Each component is manufactured to OEM-equivalent specs and fits key interfaces across the CP2H fuel system.


Compatible Applications
  • Cummins: ISC, ISL, QSL9 engines (commonly used in Freightliner, International, and vocational trucks)
  • Komatsu: SAA6D114-3 engine (used in PC300-8, PC300LC-8, PC350-8 excavators)
  • Diesel equipment using CP2H or Bosch-type fuel injection systems

OEM Cross-References
  • 4088604
  • P4921431
  • 1T05342080
  • HG05342072
  • Replaces OE Ref: 36C884

Why Choose This Kit?
  • Fixes fuel pump leaks, low pressure, and oil contamination
  • Supports full disassembly and reassembly of pump internals
  • Includes over 20 components for complete overhaul
  • Used in professional diesel repair shops and remanufacturing

Technical Specifications
  • Kit Code: DX4103884
  • Part Count: 20+ OEM-match components
  • Compatible Systems: CP2H High-Pressure / Gear Pumps
  • Installation: Professional diesel or fleet maintenance use

Built for U.S. Diesel Engines and Equipment
Designed for common high-pressure injection systems in Cummins and Komatsu engines, this rebuild kit restores reliable fuel delivery and proper sealing under load.
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