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Caterpillar original Diesel Injector 10R-1278 20R-3477 for C3500B D11R Engine, Replacement for OEM Fuel Injector with 359-5469, 250-1304, for Excavator 5130B Truck Engine Parts original new injector
| Brand Name: | CATERPILLA |
| Model Number: | 10R-1278 |
| MOQ: | 1 |
| Price: | $299-$515 |
| Packaging Details: | Original Packing |
| Payment Terms: | T/T, Western Union |
Caterpillar 10R-1278 diesel injector
,C3500B D11R engine injector
,OEM replacement fuel injector 359-5469
Caterpillar original Diesel Injector 10R-1278 20R-3477 for C3500B D11R Engine, Replacement for OEM Fuel Injector with 359-5469, 250-1304, for Excavator 5130B Truck Engine Parts original new injector
Fuel Type | Diesel |
Condition | |
Applicable Engine | Caterpillar CAT 3512B |
Injector Type | Diesel Fuel Injector / Fuel Injection Assembly |
Quality Standard | OEM Original (Genuine OEM) |
Packaging | |
Fuel System | Diesel Fuel Injection System |
OE Number | 10R-1278 |
Brand | CAT (Caterpillar) |
Cross Number / Universal Number | 10R1278, 238-1498, 2381498, 10R-1277, 10R1277, 10R-1280, 10R1280, 10R-1281, 10R1281 |
Vehicle / Equipment Application | Generator Sets, Marine Engines, Mining Equipment, Oilfield Power Systems |
Application Type | Industrial Power Generation, Marine Propulsion, Mining, Oilfield Power |
Reliable fuel delivery is the foundation of heavy-duty engine performance, and the Caterpillar 10R-1278 Fuel Injector is built to meet that demand on the CAT 3512B engine platform. As an OEM original diesel fuel injection component, this unit provides high-pressure, precisely metered fuel delivery that supports stable combustion, consistent power output, and efficient fuel consumption across demanding industrial operating conditions.
The injector is cataloged under OE number 10R-1278 (10R1278) and cross-references an extensive list of alternative part numbers, including 238-1498, 2381498, 10R-1277, 10R1277, 10R-1280, 10R1280, 10R-1281, and 10R1281. This broad interchange coverage simplifies sourcing, verification, and inventory management for distributors, fleet operators, and maintenance teams. The 10R-1278 serves CAT 3512B diesel engines deployed in generator sets, marine propulsion systems, mining equipment, and oilfield power systems, making it a versatile replacement option across multiple heavy-duty sectors.
Manufactured to genuine OEM quality standards, the 10R-1278 fuel injection assembly delivers the durability required for continuous industrial duty cycles and long service intervals. Whether you are sourcing replacement injectors for scheduled overhauls, complete engine rebuilds, or urgent repairs, this CAT injector offers a dependable, directly interchangeable solution for the Caterpillar 3512B fuel system. Contact our sales team for bulk pricing, stock availability, and technical support.
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Contact Detail:
ADD:Huangpu Machinery City, No.585-A, No.138, Southeast Road, Huangpu District, Guangzhou City,
Guangdong Province Tel:+86 020 88557755
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