Bosch original 0445120121 Common Rail Fuel Injector for DCEC Cummins ISLE L Series Diesel Engine Assembly Nozzle Replacement for OEM 4025334 original new injector
| Brand Name: | BOSCH |
| Model Number: | 0445120121 |
| MOQ: | 1 |
| Price: | $50-$122 |
| Packaging Details: | Original Packing |
| Payment Terms: | T/T, Western Union |
Bosch Common Rail Fuel Injector for Cummins ISLE
,DCEC Cummins diesel engine injector replacement
,OEM 4025334 fuel injector with warranty
Bosch original 0445120121 Common Rail Fuel Injector for DCEC Cummins ISLE L Series Diesel Engine Assembly Nozzle Replacement for OEM 4025334 original new injector
Fuel Type | Diesel |
Condition | New / OEM Quality |
Applicable Engine | Cummins ISBe, ISDe, QSB, B Series, 4BT, 6BT; Weichai WP4, WP6, WP7, WP10, WP12 |
Injector Type | High Pressure Common Rail (CRDI) Injector |
Quality Standard | OEM Bosch Quality |
Packaging | Standard Protective Industrial Packaging |
Fuel System | Common Rail Diesel Injection System |
OE Number | 0445120121 |
Brand | BOSCH |
Cross Number / Universal Number | 0445120121, 0 445 120 121, 0986435503, 0 986 435 503 |
Vehicle / Equipment Application | Dongfeng Heavy Truck, Foton Commercial Truck, FAW Commercial Vehicle, Sinotruk HOWO Truck, Shacman Truck, Yutong Bus, King Long Bus, Excavators, Agricultural Tractors |
Application Type | Commercial Transportation, Industrial Equipment, Construction Equipment, Agricultural Equipment |
Engineered for demanding diesel powertrains, the BOSCH Common Rail Injector 0445120121 delivers the precision fuel metering that heavy duty engines require for consistent performance. Built to genuine Bosch specifications, this high-pressure injection nozzle supports Cummins ISBe, ISDe, QSB, B Series, 4BT and 6BT platforms, along with Weichai WP4, WP6, WP7, WP10 and WP12 engines. It carries the cross reference number 0986435503, offering a direct-fit replacement for a wide range of commercial and industrial applications.
This injector provides high pressure fuel delivery combined with precise electronic control for improved combustion efficiency, lower fuel consumption and reduced exhaust emissions. Its OEM Bosch quality construction ensures extended durability and industrial reliability under continuous operating loads. The unit is suited for heavy and medium duty trucks, cargo vehicles, logistics fleets, public transportation buses, diesel generators, power generation units, compressors, mining equipment, excavators, wheel loaders, bulldozers, tractors, harvesters and other agricultural and construction machinery.
For optimal service life, use OEM-grade fuel filters, avoid contaminated diesel fuel, regularly inspect return flow and monitor engine diagnostic data. During installation, replace the fuel filter, inspect the fuel rail and high-pressure lines, follow OEM torque specifications, perform injector coding when required and check for leakage afterward. Common diagnostic references include hard starting from injector leakage, black smoke from over fueling and rough idle from internal wear.
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