268-1840 Common Rail Fuel Injector for Cat C7 Engine Cat32od2

Complete Cross Reference OEM Part Numbers

• Main Part No: 268-1840, 2681840
• Interchange OE Parts: 387-9431, 268-1839, 328-2585, 263-8218, 10R-7225
• Matching Engine: Cater-pillar C7 7.2L Six-Cylinder HEUI Turbo Diesel Engine
• Injection System: HEUI Hydraulic Electronic Unit Injector
• Main Application: Mid-Size Excavators, Road Construction Machinery, Medium-Duty Trucks, Stationary Generators

Engine & Equipment Compatibility

Matching Heavy-Duty Engine

Compatible CAT Construction & Commercial Equipment

1. CAT D-Series Medium Excavators
   
   
   324D, 324DL, 325D, 325DL, 329D, 329DL Earthmoving & Light Mining Diggers
2. Highway Road Maintenance Equipment
   
   
   CAT Motor Graders, Asphalt Pavers, Road Milling Machines, Concrete Mixing Power Units
3. North American Medium-Duty Work Trucks
   
   
   C7-powered freight trucks, tow trucks, sanitation and municipal engineering chassis vehicles
4. Stationary Industrial Power Generators
   
   
   C7 emergency backup generator sets, oilfield mobile power supplies, port standby power equipment

Unique Product Selling Points

1. Mid-Load Optimized HEUI Hydraulic Calibration
   
   
   Every injector undergoes idle, partial load and medium full-load hydraulic bench testing to match factory C7 fuel injection curves, effectively fix weak digging torque, unstable engine RPM, excessive black smoke and rough idle during daily medium-load construction and highway operation.
2. Precision Multi-Hardened Nozzle Core Assembly
   
   
   High-strength wear-resistant alloy nozzle tip withstands low-quality construction-site diesel and medium vibration levels, drastically reduce frequent fuel system maintenance for mid-size equipment fleets, lower long-term operating costs.
3. Complete Integrated Sealing Hardware Included
   
   
   Each injector comes with matched high-pressure O-rings and copper sealing gaskets, direct plug-and-play replacement without purchasing separate sealing parts during engine overhaul, shorten machine downtime for repair shops.
4. Stable Yellow Solenoid Hydraulic Control Module
   
   
   Optimized built-in solenoid delivers steady hydraulic fuel injection control, eliminate recurring injector misfire, power derate and DPF fault codes common on aging C7 excavators and medium trucks.
5. Global Mid-Size Machinery Wholesale Support
   
   
   12-month quality warranty, single-unit retail available for small repair workshops, tiered bulk discount for road construction service centers, municipal fleet maintenance shops and heavy equipment spare parts distributors, worldwide fast air and sea shipping.

Main Application Scenarios

Purchase & Installation Reminders

1. Confirm your machine is equipped with original C7 HEUI engine before ordering; this injector cannot interchange with C9 225-0117 injectors or Vol-vo EUI unit injectors.
2. Replace full fuel filter kit and fuel water separator, thoroughly clean fuel tank sediment before installation to avoid nozzle clogging from diesel impurities.
3. Core return program available; contact customer service to get core deposit refund rules and return shipping address.
4.