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Caterpillar CAT 317-5278 Fuel Injector Compatible with C10/C11/C12/C13 Engines and 14H/140H/143H/160H/163H Excavators

Caterpillar CAT 317-5278 Fuel Injector Compatible with C10/C11/C12/C13 Engines and 14H/140H/143H/160H/163H Excavators

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Product TypeFuel Injector
Injector TypeCommon Rail Injector
Nozzle Holes6 Holes
Nozzle Diameter0.165 mm
Injection Angle147°
Working Pressure2200 bar
MaterialHardened Chrome-Nickel Alloy
Applicable FuelDiesel
OEM Part No.
317-5278317527820R-005520R0055
Engine Part No.
C10C11C12C133176C
Interchange No.
10R-126410R1264170-52401705240208-91602089160212-3467212-346810R-125810R-0967350-7555229-1631387-9433
Fitment Vehicles
14H140H143H160H163H814F815F816F966G II572R IID7R IID7R3196PC300-8PC350-8

Fuel System - Industrial Encyclopedia

Caterpillar Original and High-Quality Replacement Fuel Injector 317-5278 (also compatible with 20R-0055, 10R-1264), designed specifically for CAT C10, C11, C12, C13 and 3176C engines. Compatible with 14H, 140H, 143H, 160H, 163H excavators, 815F, 816F compactors, 966G II loaders, and D7R bulldozers, etc. Precision common rail design, 6-hole nozzle, working pressure up to 2200 bars, made of hardened chrome-nickel alloy, ensuring thorough fuel atomization, improving combustion efficiency, and reducing emissions. Suitable for construction machinery and heavy equipment.