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Caterpillar original Diesel Common Rail Injector Fuel Injector for 3412 3412E C3412 Engine 0R-9803 Replacement for OEM compatible with Excavator 375 D9N Truck Engine Diesel Parts original new injector
| Brand Name: | CATERPILLA |
| Model Number: | 0R-9803 |
| MOQ: | 1 |
| Price: | $86-$141 |
| Packaging Details: | Original Packing |
| Payment Terms: | T/T, Western Union |
Caterpillar Diesel Common Rail Injector
,3412 Engine Fuel Injector
,Excavator Diesel Injector Replacement
Caterpillar original Diesel Common Rail Injector Fuel Injector for 3412 3412E C3412 Engine 0R-9803 Replacement for OEM compatible with Excavator 375 D9N Truck Engine Diesel Parts original new injector
Fuel Type | Diesel |
Condition | OEM Reman |
Applicable Engine | Caterpillar 3412, Caterpillar 3412B, Caterpillar 3412C, Caterpillar 3412 DITA, Caterpillar Marine 3412, Caterpillar Generator Set 3412, Caterpillar Industrial 3412 Power Systems |
Injector Type | Remanufactured Injector |
Quality Standard | ISO Certified Production |
Packaging | Not Specified |
Fuel System | Cylinder Head Fuel System |
OE Number | 0R-9803 |
Brand | Caterpillar (CAT) |
Cross Number / Universal Number | 0R9803, 4W-7018, 4W7018, 7E-6408, 7E6408, 8N-7005, 8N7005 |
Vehicle / Equipment Application | Generator Sets, Marine Engines, Mining Equipment, Construction Machinery, Oilfield Equipment, Industrial Power Units, Continuous Power Generation Systems |
Application Type | Industrial, Marine, Generator |
The Caterpillar 0R-9803 is a remanufactured diesel fuel injector engineered as a direct-fit replacement for Caterpillar 3412 series diesel engines. Manufactured to strict OEM specifications and validated against rigorous fuel system performance standards, it delivers precisely metered, high-pressure atomized fuel directly to engine combustion chambers. This calibrated injection process optimizes combustion efficiency, reduces unnecessary fuel consumption and exhaust smoke, and supports consistent, reliable engine performance in demanding heavy-duty operating conditions.
This injector is compatible with standard Caterpillar 3412, 3412B, 3412C, and 3412 DITA engines, as well as purpose-built marine, generator set, and industrial 3412 power system variants. It serves as a dependable aftermarket replacement solution for critical equipment including generator sets, marine propulsion engines, mining machinery, construction equipment, oilfield apparatus, industrial power units, and continuous power generation systems deployed across global industrial markets.
Every 0R-9803 injector features a precision-machined nozzle assembly, OEM-standard fuel flow calibration, wear-resistant internal components, and corrosion-resistant construction, with factory testing and ISO-certified production ensuring extended service life under sustained heavy operation. Cross-reference part numbers include 4W-7018, 7E-6408, and 8N-7005; buyers are recommended to verify compatibility via engine serial number before purchase to account for configuration, calibration, and regional Caterpillar service variations.
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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
Cellphone:+86 19959162250 WhatsApp:+86 19959162250
Email:2209396088@qq.com
