4935674 4903462 4954200 2897500 4921431 3975375 Fuel Injector Pump for Cumm Qsl9

• This 4935674 CCR1600 fuel pump is an all-in-one assembly combining high-pressure plunger chamber and built-in gear transfer pump, specially designed for Cum-mins mid-range 8.3L & 8.9L diesel engines widely used in highway heavy trucks and construction machinery.

  
  

  Unlike split fuel supply solutions, this integrated unit simplifies fuel pipeline layout and reduces leakage points. Long-term heavy load, dusty construction sites and inferior diesel will wear internal plungers and gear assemblies, triggering insufficient rail pressure, weak climbing power and excessive black smoke. Our fully calibrated pump restores original factory fuel delivery performance, lowers maintenance frequency for fleets and construction equipment.

  Full Fitment Reference

  Compatible Engine Models

  • Cum-mins ISL8.9 / ISLe 8.9L Highway Truck & Bus Engine
  • Cum-mins QSL8.9 / QSL9 Off-Road Construction Engine
  • Cum-mins ISC8.3 / QSC8.3 Medium Commercial Vehicle Engine

  Matching Heavy-Duty Road Vehicles

  • Dongfeng Kinland/Tianlong ISL8.9 Tractor & Dump Trucks
  • Auman, Shacman ISL9 Medium & Heavy Cargo Trucks
  • Yutong, Kinglong, Zontong 8.9L Diesel Coaches
  • JAC Galop, FAW J6 With Cum-mins ISL Powertrain

  Matching Construction & Industrial Equipment

  • Komatsu PC300-8, PC350-8, PC360-8 Excavators (6D114)
  • XCMG, Sany, Liugong Large Wheel Loaders
  • Motor Graders, Road Rollers, Underground Mining Haulers
  • 80–160kW Stationary Diesel Generator Sets
  • Oilfield Well Service Rigs & Industrial Air Compressors

  Cross Reference Interchange Part Numbers

  4935674, 3975375, 4954200, 2897500, 5311171, 5594765

  Core Product Competitive Advantages

  1. Dual Integrated Design (High Pressure Pump + Transfer Gear Pump)

     
     

     One-piece integrated structure eliminates separate external transfer pump installation, reduces pipeline joints and fuel leakage risks, shorter installation time during engine overhaul.
  2. Ultra-Tough For Harsh Construction Working Conditions

     
     

     Thickened cast iron pump housing with anti-rust surface coating, resists dust, vibration and wide temperature fluctuation from -35°C to 55°C, suitable for mining, road construction and desert operation.
  3. Micro-Precision Alloy Plunger & Delivery Valve Group

     
     

     High-hardness quenched alloy plungers with micron-level matching clearance, maintain stable 1600bar rail pressure under full load climbing and continuous 24-hour operation, avoid power attenuation.
  4. Complete Built-In Electronic Pressure Control Solenoid

     
     

     Matched original specification pressure regulating solenoid, accurately adjust fuel supply volume according to ECU signal, eliminate unstable idle and low-speed power lag.
  5. Full Multi-Parameter Bench Calibration Before Delivery

     
     

     Every pump undergoes strict flow, pressure holding, sealing and atomization testing on CCR1600 professional test bench, each unit attached with independent test report to reduce on-site failure rate.
  6. 1:1 OEM Mounting Interface & Connector Compatibility

     
     

     Consistent mounting hole position, oil inlet/outlet thread and electrical plug with original pump, direct bolt-on replacement without pipeline modification or adapter matching.

  Complete Technical Specifications

  • OEM Part Number: 4935674
  • Cross OE Codes: 3975375, 4954200, 2897500
  • Pump Series: CCR1600 Integrated Common Rail Pump
  • Built-In Component: Gear Fuel Transfer Pump
  • Standard Working Rail Pressure: 1600 Bar
  • Applicable Engine Displacement: 8.3L / 8.9L
  • Warranty Period: 12 Months
  • Minimum Order Quantity: 1 Piece
  • Export Packing: Shockproof Reinforced Wooden Case / Custom Brand Neutral Carton
  • Main Shipping Ports: Shanghai, Ningbo, Qingdao, Los Angeles, Hamburg
  

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

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.