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Genuine 3076703 STC Fuel Injector For Cummins KTA38 Engine

  • Part Number : 3076703
  • Fitment : Cummins KTA38 Engine
  • Product Name : STC Fuel Injector
  • Quality Standard : Genuine CCEC
  • Lead Time : 3-15 Days
  • Pricing : Cummins Agent Wholesale
  • Payment Terms : T/T,Western union,Paypal
  • MOQ : Bulk Orders Accepted
  • Product description:Cummins 3076703 Genuine STC Fuel Injector For KTA38 Engine. China Cummins Agent Wholesale price & Fast Shipping.
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Product Overview:

The Cummins 3076703 is a genuine  K-STC PT (Pressure-Time) fuel injector engineered and manufactured by CCEC (Chongqing Cummins Engine Company) for heavy-duty K-series diesel engines. As a critical component of the Cummins PT fuel injection system, this mechanical injector converts low-pressure fuel from the PT fuel pump into high-pressure atomized fuel, delivering precise fuel metering and optimal combustion performance under the most demanding operating conditions.


Product Specifications:

Category Details
Part Number 3076703 (Cross Reference: 3279719, 3076703PX, 3076703 PX)
Product Name K-STC Type PT Fuel Injector
Manufacturer CCEC (Chongqing Cummins Engine Company) / Genuine Cummins USA
Product Type Mechanical PT (Pressure-Time) Fuel Injection System Injector
Lifecycle Status In Production & Active, Widely Used in Current K-Series Engines
Weight Approx. 1.05kg
Dimensions Approx. 7cm × 7cm × 27cm
Injection Pressure 70-138MPa (10,000-20,000PSI)
Fuel System Cummins PT Fuel System (Compatible with PT Pumps: 4951415, 4915030-25, etc.)
Material High-Strength Alloy Steel (Body) + Precision Matched Components (Needle Valve to Body Clearance: Only 2μm)
Working Principle Converts low-pressure fuel from PT pump into high-pressure atomized fuel for combustion; ~80% of fuel circulates to cool the injector before returning to the tank
Certifications ISO 9001, CE, TS16949


Primary Applications:

Application Category Specific Use Cases
Generator Sets 500kW-1600kW high-power diesel generator sets (e.g., 800kW Cummins generator sets)
Marine Power Main engines and auxiliary engines for inland and offshore vessels
Construction Machinery Large excavators, wheel loaders, bulldozers and other heavy equipment
Heavy Trucks Mining dump trucks and special heavy transport vehicles
Industrial Power Oil drilling equipment, mining machinery, pump units and other industrial power units


Why Choose us?

  • Exact OEM Fit & Performance: Precision-engineered to match Cummins original specifications,
  • Heavy-Duty Optimized: Specifically designed for the extreme demands of K-series engines, delivering reliable performance in 24/7 continuous-duty operations
  • 100% Factory Tested: Every unit undergoes strict pressure, flow and spray pattern validation to ensure consistent fuel delivery and combustion efficiency
  • Instant Global Availability: Large dedicated inventory of 3076703 injectors allows for same-day shipping to any location worldwide
  • Cummins-Certified Support: Our technical team specializes in PT fuel systems, providing expert guidance on installation, maintenance and troubleshooting
  • Risk-Free Purchase: All injectors come with a comprehensive 12-month/1000-hour warranty and hassle-free return policy

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