XZR8®
Product NameFuel Injector Assembly
Injector TypeHydraulic Electronic Unit Injector (HEUI)
Fuel SystemHigh Pressure Common Rail
Working Pressure180-200 MPa
Flow Rate120-135 cc/min
Engine ModelCaterpillar C9, C7
Compatible Model330D, 336D, D6R, D6R III, D6R STD, D6T, D7R, D7R XR, D7R LGP, 2290, 511, 160M
MaterialHigh-strength alloy steel, precision nozzle
Product TypeHydraulic Electronic Unit Injector (HEUI)
Manufacturer No.
3879434387-9434
OEM Part No.
3879434387-943410R-722110R722120R-806320R806320R-193820R1938328-25733282573293-40712934071267-9434267943426797342664446CA3879434
Engine Part No.
C9C7C-7C-9
Interchange No.
10R-722110R722120R-806320R806320R-193820R1938328-25733282573293-40712934071267-9434267943426797342664446CA3879434
Fitment Vehicles
Caterpillar 330D ExcavatorCaterpillar 336D ExcavatorCaterpillar D6R BulldozerCaterpillar D6R III BulldozerCaterpillar D6R STD BulldozerCaterpillar D6T BulldozerCaterpillar D7R BulldozerCaterpillar D7R XR BulldozerCaterpillar D7R LGP BulldozerCaterpillar 2290 Logging and Piling MachineCaterpillar 511 Logging and Piling MachineCaterpillar 160M Grader

Fuel System - Industrial Encyclopedia

High-quality Caterpillar Fuel Injector 3879434, compatible with C9 engines. OEM numbers include 3879434, 387-9434, 10R-7221, 20R-8063, and more. Perfect replacement for fuel system components, ensuring optimal engine performance and fuel efficiency.