Caterpillar original 10R-1278 Common Rail Fuel Injector 250-1304 392-0208 20R-3477, High Pressure Fuel Nozzle Replacement for Diesel Engines, Truck & Car Parts original new injector
Product Details
Caterpillar 10R-1278 Common Rail Fuel Injector
,Caterpillar 250-1304 High Pressure Fuel Nozzle
,Caterpillar 20R-3477 Diesel Engine Injector
Caterpillar original 10R-1278 Common Rail Fuel Injector 250-1304 392-0208 20R-3477, High Pressure Fuel Nozzle Replacement for Diesel Engines, Truck & Car Parts original new injector
|
Fuel Type |
Diesel |
|
Condition |
New |
|
Applicable Engine |
CAT 3512B V12 Diesel Engine |
|
Injector Type |
Electronic Diesel Fuel Injector |
|
Quality Standard |
OEM Equivalent |
|
Packaging |
N/A |
|
Fuel System |
Electronic Fuel Injection |
|
OE Number |
10R-1278 |
|
Brand |
CAT |
|
Cross Number / Universal Number |
238-1498, 10R-1277, 10R-1280, 10R-1281 |
|
Vehicle / Equipment Application |
Generator Sets, Marine Power Systems, Offshore Equipment, Mining Machinery, Industrial Pump Systems, Oilfield Equipment, Construction Machinery, Emergency Power Units |
|
Application Type |
Industrial Power Systems |
For operators managing high-demand heavy-duty Caterpillar 3512B engine assets, fuel injector reliability directly impacts fuel costs, operational uptime and emissions compliance. The 10R-1278 diesel fuel injector is purpose-built for the 3512B V12 engine platform, manufactured to meet Caterpillar OEM specifications for consistent performance in harsh industrial environments. It supports core use cases including power generation, marine propulsion, mining operations and oilfield power systems, withstanding extreme combustion temperatures, severe vibration and continuous high-load operation.
Precision-machined with micron-level tolerances, the 10R-1278 features a multi-hole nozzle that optimizes fuel atomization, paired with high-pressure resistance to withstand repeated high-pressure injection cycles. Integrated with the engine’s electronic fuel injection system, it delivers accurate fuel metering and stable fuel flow across varying load conditions, supporting complete combustion, lower fuel consumption, reduced emissions and improved engine response.
As a direct OEM-equivalent replacement, the 10R-1278 cross-references to widely used industry part numbers to simplify procurement and maintenance planning. It reliably reduces unplanned downtime, cuts long-term maintenance costs and extends engine service life, making it suitable for both emergency repairs and scheduled preventive maintenance for industrial 3512B engine fleets.
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