Cummins Engine 4BT Fuel Injector 3960745 3802982 3355015 3971965

Technical specifications

Customization guide

• Adjustable Part Selection: Choose from part numbers 3960745, 3802982, 3355015, or 3971965 based on your engine model’s requirements.
• Material Customization: Specify steel or aluminum alloy variants for applications with varying thermal or chemical exposure.

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With precision-engineered fuel injectors, you can achieve cleaner combustion, reduce emissions, and extend engine lifespan. Whether maintaining a construction vehicle or upgrading a marine engine, these injectors deliver unmatched reliability.

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Supplier's note

1. Technical Breakthroughs:

   • Material Upgrade: The Pro Model’s aluminum alloy + heat shield reduces thermal stress by 40% compared to standard steel injectors.
   • Pressure Tolerance: The Advanced Model’s 25,000 psi rating exceeds industry benchmarks, enabling use in high-stress engines.
   • Warranty Extension: The Pro Model’s 24-month warranty reflects its premium durability.

2. Optimal Version Selection:

   • Base Model: Ideal for routine maintenance of standard trucks or light machinery.
   • Advanced Model: Recommended for construction or agricultural equipment requiring prolonged operation under heavy loads.
   • Pro Model: Designed for extreme environments (e.g., mining, marine engines) where thermal and pressure resistance are critical. With its triple-layer coating, it outperforms competitors in corrosion-prone conditions.

Comparative Hint: The Pro Model’s pressure tolerance is 50% higher than industry standards, enabling use in engines operating at extreme RPMs.
Note: * denotes benchmark comparison against leading competitors.