Bosch original Diesel Injector 0445120122 Replacement for OEM 4930485 5263304 4942359 for Cummins ISLEe QSC 8.3L Bus Engine Assembly Injection Valve original new injector
| Brand Name: | BOSCH |
| Model Number: | 0445120122 |
| MOQ: | 1 Piece |
| Price: | $50-$122 |
| Packaging Details: | Original Packing |
| Payment Terms: | T/T, Western Union, Paypal, RMB |
Bosch Diesel Injector for Cummins ISLEe QSC
,OEM replacement Diesel Injector 0445120122
,BOSCH Fuel Injector for 8.3L Bus Engine
Bosch original Diesel Injector 0445120122 Replacement for OEM 4930485 5263304 4942359 for Cummins ISLEe QSC 8.3L Bus Engine Assembly Injection Valve original new injector
Fuel Type | Diesel |
Condition | Brand New |
Applicable Engine | Cummins ISBe4.5, ISBe6.7, ISDe4.5, ISDe6.7, QSB4.5, QSB6.7, B Series Common Rail Engines, Industrial Power Units, Construction Equipment Engines |
Injector Type | High Pressure Common Rail Injector |
Quality Standard | OEM Bosch Manufacturing Standards |
Packaging | Neutral / Standard Protective Packaging |
Fuel System | Common Rail Fuel Injection System |
OE Number | 0445120122 |
Brand | BOSCH |
Cross Number / Universal Number | 3965721, 3976372, 4937065, 4940640, 3977080, 4988835, 4937512, 5258744, 5258744RX |
Vehicle / Equipment Application | Dongfeng Trucks, Foton Trucks, Yutong Buses, King Long Buses, Golden Dragon Coaches, Sinotruk Vehicles, XCMG Machinery, LiuGong Equipment, SANY Equipment, Agricultural Diesel Engines |
Application Type | Heavy Duty Truck, Bus, Coach and Construction Machinery |
Engineered for demanding commercial diesel operations, the Bosch 0445120122 common rail fuel injector delivers precise, repeatable fuel metering for Cummins B Series power units. Built to OEM Bosch manufacturing standards, this high pressure injector supports optimized spray patterns and enhanced combustion efficiency across a wide range of load conditions, making it a dependable OE replacement solution for fleet operators, workshops and equipment rebuilders.
The primary OE number 0445120122 is directly interchangeable with cross reference numbers 3965721, 3976372, 4937065, 4940640, 3977080, 4988835, 4937512, 5258744 and 5258744RX, simplifying sourcing and inventory management. It fits Cummins ISBe4.5, ISBe6.7, ISDe4.5, ISDe6.7, QSB4.5 and QSB6.7 engines installed in Dongfeng and Foton trucks, Yutong, King Long and Golden Dragon buses, Sinotruk vehicles, plus XCMG, LiuGong and SANY construction machinery.
Designed for extended operational life and reduced maintenance costs, this injector improves overall engine performance while maintaining stable rail pressure. For optimal service, use high-quality diesel fuel, replace fuel filters regularly and avoid contaminated fuel. Diagnostic procedures include injector return flow tests, rail pressure tests, ECU fault code reading, bench testing, nozzle spray pattern analysis and solenoid resistance testing. Contact us for volume pricing and technical cross-reference support.
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