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Cummins original 1521978 Diesel Fuel Injector Replacement for OEM Engine Parts Compatible with 1511696 1764365 579263 original new injector
| Brand Name: | CUMMINS |
| Model Number: | 1521978 |
| MOQ: | 1 |
| Price: | $314-$414 |
| Packaging Details: | Original Packing |
| Payment Terms: | T/T, Western Union |
Cummins diesel fuel injector replacement
,OEM engine parts fuel injector
,Cummins original new injector
Cummins original 1521978 Diesel Fuel Injector Replacement for OEM Engine Parts Compatible with 1511696 1764365 579263 original new injector
Fuel Type | Diesel |
Condition | Original Type / Replacement |
Applicable Engine | Cummins QSK15 and QSX15 15L heavy duty diesel engine (may also relate to ISX15, X15, QSKX15 - verify before sale) |
Injector Type | Common Rail Fuel Injector (1600 to 2600 bar capability depending on platform) |
Quality Standard | Industrial grade heavy duty |
Packaging | Standard protective packaging |
Fuel System | Common Rail Fuel Injection System |
OE Number | 1521978 |
Brand | Cummins |
Cross Number / Universal Number | 4076963, 4903028, 570016, 4954646, 4076965, 4076912, 1731091, 4954648, 1846351, 1846349, 1521977, 1481827, 1499714, 1511696 |
Vehicle / Equipment Application | Excavators, wheel loaders, mining trucks, generator sets, oilfield machinery, heavy trucks, rail power units, rock drills, compressors, agriculture equipment and industrial power units |
Application Type | Engine-specific fitment for Cummins QSK15 / QSX15 platform |
Engineered specifically for the Cummins QSK15 / QSX15 platform, fuel injector 1521978 delivers the precise fuel metering and stable injection response required by 15L heavy duty diesel engines operating under demanding industrial loads. This common rail injector is built to industrial grade standards, providing fine atomization and heavy duty durability across excavators, wheel loaders, mining trucks, generator sets and oilfield machinery.
Fitment accuracy is central to this component. Cummins lists QSX15 for the Commercial Industrial generator platform with 50/60 Hz frequency, 291–455 kW prime rating and 320–500 kW standby rating. The unit may also relate to ISX15, X15 and QSKX15 applications, so correct fitment must be confirmed by ESN, CPL, old injector number and physical comparison before sale. Cross references include 4076963, 4903028, 570016, 4954646, 4076965 and 4076912, supporting broad distributor catalog coverage.
Injector service life depends heavily on fuel cleanliness, correct filtration and proper installation. Replace fuel filters on time, drain water from the fuel system, avoid contaminated diesel and follow the engine maintenance schedule. Common failure symptoms such as hard starting, rough idle, white or black smoke, power loss and fuel leakage should be verified through professional diagnosis, including fuel pressure testing, injector return testing and ECM fault code reading.
Contact Detail:
ADD:Huangpu Machinery City, No.585-A, No.138, Southeast Road, Huangpu District, Guangzhou City,
Guangdong Province Tel:+86 020 88557755
Cellphone:+86 19959162250 WhatsApp:+86 19959162250
Email:2209396088@qq.com
