Precision-Engineered Diesel Fuel Injector for Superior Performance
High-quality OEM replacement fuel injector (387-9433 / 3879433) designed for CAT excavators E330D and E336D with C9 engines. Ensures optimal fuel atomization for maximum combustion efficiency.
Durable Construction with Premium Materials
CNC-machined nozzle body from hardened steel for extreme pressure resistance. Precision-calibrated solenoid valve guarantees consistent fuel delivery under heavy workloads.
Direct Fit for Seamless Operation
Exact OEM specifications ensure hassle-free installation—no modifications needed. Restores factory-level performance for excavators in construction, mining, and industrial applications.
Built for Demanding Environments
Sealed against dust, moisture, and vibration. Ideal for heavy-duty cycles in rough terrains. Extends engine life while reducing emissions.
Global Wholesale Advantage
Lowest online pricing with bulk discounts. Ships worldwide with guaranteed quality—trusted by professional mechanics and fleet operators.