Caterpillar original 4P9830 Diesel Fuel Injection Pump Plunger Barrel Element for 3304 3306 Engine, Replacement for OEM original new injector
Product Details
Caterpillar 3304 diesel fuel injector pump
,OEM replacement fuel injection plunger
,Caterpillar 3306 engine injector barrel
Caterpillar original 4P9830 Diesel Fuel Injection Pump Plunger Barrel Element for 3304 3306 Engine, Replacement for OEM original new injector
|
Fuel Type |
Diesel |
|
Condition |
New |
|
Applicable Engine |
CAT 3306B, 3306C (3300 series), CAT 3406, 3406B, 3406C (3400 series), 973C loaders, 966 series wheel loaders, 815B/F compactor, R1300 series, SR4 generator engines |
|
Injector Type |
Plunger Assembly (Internal Component) |
|
Quality Standard |
OEM Specifications |
|
Packaging |
Standard Export Packaging |
|
Fuel System |
Diesel Fuel Injection System |
|
OE Number |
4P-9830 |
|
Brand |
CAT |
|
Cross Number / Universal Number |
4P9830, H4P9830, M-4P-9830, 103-2961, 1032961, 1W-6541 |
|
Vehicle / Equipment Application |
Excavators, Wheel Loaders, Bulldozers, Motor Graders, Soil Compactors, Mining Trucks, Diesel Gensets, Industrial Diesel Power Units |
|
Application Type |
Construction & Earthmoving, Mining & Quarry, Power Generation, Agriculture & Forestry, Marine & Offshore |
The Caterpillar 4P-9830 injector plunger is a precision-engineered internal component designed for the CAT diesel fuel injection system. Manufactured from high-strength alloy steel, the plunger features OEM-grade hardness, exact OEM tolerances, and a diameter of 10.5 mm. Its high-precision ground surfaces are achieved through vacuum heat treatment, precision grinding, mirror finishing, and micron-level lapping processes, ensuring reliable plunger-to-barrel clearance and minimizing internal leakage under demanding operating conditions.
This injector plunger supports injection pressures exceeding 1000 bar, delivering stable and consistent fuel delivery across varying loads and temperatures. It is engineered as a direct replacement for CAT 3306B, 3306C, 3406, 3406B, 3406C, 973C, 966 series wheel loaders, 815B/F compactors, R1300 series, and SR4 generator engines. The component is widely used on excavators, wheel loaders, bulldozers, motor graders, soil compactors, mining trucks, diesel gensets, and industrial diesel power units across construction, mining, power generation, agriculture, forestry, and marine applications.
For optimal performance and service life, always use clean, high-quality diesel fuel, maintain fuel filters regularly, and avoid water contamination. Operators should monitor smoke and emissions for early signs of injector wear, and perform injector calibration after plunger installation to restore original fuel system performance.
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