4384497 Common Rail Fuel Pump for Cumm Isx15 Series Engine

• Our 4384497 CP4.2 dual-plunger high-pressure common rail pump strictly follows Cum-mins original large-displacement fuel system standards, exclusively manufactured for ISZ13 highway trucks and QSZ13 industrial power equipment. It serves as the core fuel pressure generation component of the whole fuel system, completely solving critical faults including low rail pressure DTC P0087, power loss during full-load climbing, slow acceleration response, rough cold idle and abnormal high fuel consumption caused by worn original pumps. Direct bolt-on installation without engine pipeline or ECU refitting for domestic and overseas heavy truck service workshops.

  Cross Reference Interchange Part Numbers

  4384497

  
  

  2872930, P4384497

  Full Engine & Vehicle Compatibility List

  ✅ Engine Model: Cum-mins ISZ13 / QSZ13 13L Electronic Common Rail Diesel Engine

  
  

  ✅ Highway Heavy Trucks: Dongfeng Tianlong, Foton Auman, Shaanxi Delong ISZ13 Tractor Units

  
  

  ✅ Construction Vehicles: 6x4 / 8x4 Mine Tipper, Sand & Stone Haulage Lorries

  
  

  ✅ Industrial Power Equipment: QSZ13 Continuous-Operation Generator Sets, Oilfield Fracturing Power Units

  
  

  ✅ Logistics Vehicles: Port Tractors, Refrigerated Long-Haul Semi-Trailers

  Unique Core Product Competitive Advantages

  1. Dual-Plunger CP4.2 Large-Flow Layout Optimized For 13L Large Displacement
     
     
     Dual reinforced plunger internal design delivers stable 1600bar peak rail pressure under long-hour full-load highway cruise and steep mountain climbing. Massive continuous fuel supply capacity eliminates rail pressure drop and power lag for fully loaded heavy haulage, far superior to small-displacement single-plunger pumps.
  2. Hardened Wear-Resistant Core Components Adapt To Domestic Commercial Diesel
     
     
     Deep carburized plungers and delivery valves possess strong tolerance to impurities, moisture and sulfur contained in mainstream domestic truck diesel. Thickened sealed aluminum housing resists long-time high engine compartment temperature and severe vibration without oil leakage or deformation.
  3. Integrated OEM Matching SCV Flow Control Valve Built-In
     
     
     Equipped with factory-standard suction control valve integrated on pump body, perfectly match ISZ13 ECM signal logic. No extra separate metering valve required, effectively avoid abnormal fuel flow fluctuation and ECU power limitation fault codes after installation.
  4. Dedicated ISZ13 Long-Duration Bench Fatigue Calibration Before Shipment
     
     
     Every fuel pump undergoes 8-hour continuous full-load flow stability test, pressure holding fatigue inspection, SCV response detection and overall sealing leakage test on exclusive ISZ13 CP4 test bench. Each unit locked to original Cum-mins fuel supply curve to guarantee balanced cylinder fuel delivery.
  5. Two Cost-Effective Quality Grades For Different Fleet Operation Modes
     
     
     Brand-new CP4 pumps with all brand-new plunger, SCV valve and sealing core parts for year-round 24/7 long-distance logistics fleets; remanufactured pumps fully replace all worn precision components and re-calibrated on professional test bench, ideal for seasonal construction vehicle maintenance to cut overhaul expenditure.

  Detailed Product Specifications

  • Cum-mins Part No.: 4384497
  • Pump Type: CP4.2 Dual-Plunger High Pressure Common Rail Injection Pump
  • Max Stable Working Rail Pressure: 1600 Bar
  • Compatible Engine: Cum-mins ISZ13 / QSZ13 13L Diesel Engine
  • Fit Equipment: Chinese Heavy-Duty Trucks, Industrial Generators, Oilfield Power Units
  • Available Condition: Brand New / Professionally Remanufactured
  • Warranty Period: 12 Months (New) / 6 Months (Reman)
  • Stock Status: In stock, ship within 3–6 working days
  • MOQ: 1 Unit Supported
  • Packing: Shockproof solid export wooden case, customized brand packaging available for heavy truck parts distributors

  Main Application Scenarios

  Critical aftermarket core fuel system spare parts for domestic highway logistics fleets, heavy truck repair garages, mine vehicle maintenance yards, oilfield power equipment overhaul centers and global wholesalers specializing in Cum-mins ISZ13 series heavy-duty engine accessories.

  Global After-Sales Service Support

  • Flexible shipping options: DHL/FedEx/UPS air express for emergency truck breakdown repair, sea bulk freight with solid wooden shockproof packaging for large fleet wholesale batches
  • Free pre-order compatibility verification via truck VIN, engine serial number or original pump part number
  • Free replacement service for factory defective pumps within valid warranty coverage
  • Long-term stable bulk stock supply & tiered volume discount for heavy truck repair chains and overseas commercial vehicle parts warehouses

Wuhan Jinhong Auto Parts Co., Ltd. is a manufacturer and exporter of common rail fuel injectors integrating manufacturing,processing and R & D.

Our company is Bos-ch common rail injector, Den-so common rail injector, Del-phi injector, CAT injector and other professional production and processing companies, with a complete and scientific quality management system. Our factory has a complete and scientific management system and professional product development team, products have been advancing with The Times, quality is also constantly improving, product quality and service have been widely recognized by the industry. Our company has its own factory, combined with the sales model of trade factory, we can provide customers with a full range of services. In addition, our company has international logistics partners to reduce transportation costs for customers. Our company is a leading manufacturer and supplier of Marine parts and auto parts in China. At the same time, we have established partnerships with hundreds of factories specializing in the production of various high-quality auto parts.

Our goal is to provide the best service at the best price, your satisfaction is our best return. Look forward to working with you. Welcome friends from all walks of life to visit, guidance and business negotiations.