original 0R-8787 Common Rail Fuel Injector 0R8787 1301804 7W-7033 7W7033 Diesel Fuel Injection Nozzle Engine Spare Parts for 3408 3408B 3408C 3412 3412C Excavator original new injector

Engineered as a direct replacement solution for heavy-duty diesel applications, the 0R-8787 Injector Nozzle delivers dependable fuel delivery performance across a wide range of industrial engine platforms. This nozzle assembly is manufactured to OEM-level dimensional tolerances using high-strength alloy steel and features a corrosion-resistant surface treatment, ensuring long operational lifespan under demanding working conditions. Cross-referenced with interchange number 0R8787, the component is suitable for excavators, wheel loaders, bulldozers, motor graders, mining trucks, generator sets, marine engines, and industrial power units.

The 0R-8787 features precision-machined nozzle holes that provide consistent fuel atomization, directly contributing to improved combustion efficiency, enhanced fuel economy, and reduced exhaust emissions. Operators benefit from better cold starting characteristics, stable engine operation, and lower fuel consumption during extended duty cycles. This makes the nozzle a reliable option for mining operations, construction equipment, marine propulsion, industrial manufacturing, power generation, oil & gas equipment, and agricultural machinery. Engine compatibility should be verified using the engine serial number and injector assembly number prior to ordering.

For optimal service life, follow OEM maintenance schedules, use clean diesel fuel, and replace fuel filters regularly to prevent water contamination. Installation requires cleaning the injector bore, inspecting the seat, applying manufacturer torque specifications, and performing pressure and spray pattern verification. Troubleshooting hard starting, black smoke, or power loss should include checking nozzle wear, spray pattern, and fuel delivery integrity.