Caterpillar original Caterpillar 7C-9578 diesel fuel injector new injector original new injector
Product Details
Caterpillar 7C-9578 diesel fuel injector
,original Caterpillar fuel injector
,new diesel fuel injector
Caterpillar original Caterpillar 7C-9578 diesel fuel injector new injector original new injector
|
Fuel Type |
Diesel |
|
Condition |
New |
|
Applicable Engine |
CAT 3512A (1,500–2,000 kW, 1,800–2,100 rpm); CAT 3512C (1,600–2,200 kW, 1,800–2,200 rpm); CAT 3516B (2,000–2,500 kW, 1,800–2,200 rpm); CAT 3516C (2,200–2,800 kW, 1,800–2,200 rpm) |
|
Injector Type |
Direct Injection, Mechanical / Common Rail |
|
Quality Standard |
OEM-grade, meets Caterpillar standards |
|
Packaging |
Standard export packaging |
|
Fuel System |
Direct Injection, Mechanical / Common Rail, Operating Pressure 1,800–2,000 bar |
|
OE Number |
7C9578 / 7C-9578 |
|
Brand |
CAT |
|
Cross Number / Universal Number |
7C9579, 9N-9352, 6I-3558 |
|
Vehicle / Equipment Application |
Marine generators, offshore vessels, cargo ships, excavators (CAT 352C), bulldozers (CAT D11), mining trucks (CAT 777), drills, shovels, stationary power plants, platform generators |
|
Application Type |
Marine, Construction, Mining, Power Generation, Oil & Gas |
The Caterpillar 3512A Fuel Injector 7C-9578 is an OE-quality replacement injector engineered to deliver reliable performance in heavy-duty diesel applications. Manufactured from high-grade alloy steel with anti-corrosion coating, it withstands operating pressures up to 2,000 bar and temperature ranges from -40°C to 120°C, making it suitable for harsh marine, mining, and oil & gas environments. The multi-hole precision atomization nozzle ensures optimal fuel spray patterns, enhancing combustion efficiency while reducing particulate and NOx emissions.
This injector is compatible with CAT 3512A, 3512C, 3516B, and 3516C diesel engines, providing versatile cross-reference coverage for part numbers 7C9578, 7C-9578, 7C9579, 9N-9352, and 6I-3558. The standard flange mount design enables straightforward installation with OEM torque specifications of 35–40 Nm, while the 3.2 kg weight supports stable, long-term operation across stationary power plants, marine generators, and high-load industrial equipment.
Routine inspection every 500 operating hours, combined with high-quality diesel fuel and clean filters, helps maintain consistent spray pattern and pressure performance. By reducing nozzle clogging and preventing fuel leakage, the 7C-9578 injector supports prolonged engine life, minimized downtime, and dependable power output in demanding commercial and industrial operations.
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