Perkins original 138-8756 Diesel Engine Fuel Injector Replacement for 3412 3408 Excavator Accessories 20R-0760 20R-0759 original new injector
Perkins original 138-8756 Diesel Engine Fuel Injector Replacement for 3412 3408 Excavator Accessories 20R-0760 20R-0759 original new injector
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Fuel Type |
Diesel |
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Condition |
New |
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Applicable Engine |
Perkins 3412, 3412B, 3412C, 3412E, Perkins 3412 Industrial Diesel Engine, Perkins 3412 Marine Diesel Engine, Perkins 3412 Generator Engine, Perkins 3412 Power Unit Engine |
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Injector Type |
Fuel Injector Assembly |
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Quality Standard |
OEM-level calibration, Quality tested before shipment, Manufactured according to strict OEM specifications |
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Packaging |
Standard export packaging |
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Fuel System |
Diesel Fuel Injection System |
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OE Number |
138-8756 |
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Brand |
Perkins |
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Cross Number / Universal Number |
1388756, 0R-8477, 0R8477, 20R-2057, 20R2057, CAT1388756, Perkins-1388756 |
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Vehicle / Equipment Application |
Marine, Generator, Mining, Industrial, Oilfield; Applicable Equipment: Perkins Generator Sets, Marine Vessels, Offshore Platforms, Mining Trucks, Mining Drilling Equipment, Oilfield Power Units, Industrial Power Plants, Construction Machinery |
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Application Type |
Power Generation (Standby Generator Sets, Prime Power Systems, Emergency Power Plants), Marine Industry (Commercial Vessels, Fishing Boats, Offshore Supply Ships, Tug Boats), Mining Industry (Mining Trucks, Excavation Equipment, Drilling Machines), Oil & Gas Industry (Drilling Power Units, Fracturing Equipment, Offshore Platforms), Industrial Sector (Manufacturing Plants, Industrial Compressors, Heavy Equipment) |
The Perkins 3412 fuel injector 138-8756 is a precision-engineered OEM replacement component designed for Perkins 3412, 3412B, 3412C, and 3412E diesel engines deployed across marine, generator, mining, oilfield, and heavy industrial operations. Manufactured according to strict OEM specifications, this fuel injector assembly delivers precise fuel atomization and optimized combustion efficiency, resulting in improved engine power output, reduced fuel consumption, and lower exhaust emissions. The unit is also cross-referenced with 0R-8477 and 20R-2057 for flexible replacement across various Perkins 3412 series engine configurations.
Built with high-pressure resistance, enhanced atomization geometry, and corrosion-resistant materials, the 1388756 injector provides long service life and reliable performance in demanding operating environments. Each injector undergoes quality testing prior to shipment to verify OEM-level calibration, consistent flow rates, and leak-free operation. The robust industrial design supports stable fuel delivery under continuous heavy-load conditions, making it well suited for standby generator sets, prime power systems, marine propulsion engines, mining trucks, drilling equipment, and offshore platform power units.
Recommended maintenance practices include the use of high-quality diesel fuel, regular replacement of fuel filters, prevention of water contamination, and periodic monitoring of exhaust smoke levels and engine performance trends. Standard installation procedure requires relieving fuel system pressure, cleaning the injector bore, installing a new sealing washer, torquing the injector to OEM specifications, priming the fuel system, and inspecting for leaks after startup. A diagnostic checklist covering fuel pressure verification, nozzle condition inspection, injector balance testing, fuel quality assessment, injection timing verification, and combustion performance evaluation helps ensure dependable long-term operation of the Perkins 3412 fuel system.
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