original 320-0688 Common Rail Fuel Injector 10R-7939 2645A747 for 320D Excavator Perkins C6.6 D6N C6.4 Engine Diesel Injector Spare Parts original new injector

Engineered for demanding heavy-duty operations, the 320-0688 Fuel Injector delivers precision fuel delivery for C6.4 and C6.6 diesel engines. Manufactured to strict OEM specifications, this injector (OE 3200688, cross reference 10R-7220) features a high-precision nozzle and plunger assembly that ensures optimal fuel spray patterns and combustion efficiency across a broad range of industrial applications.

Built with industrial-grade durability, the injector incorporates anti-corrosion coatings, OEM-standard sealing, and spring assemblies rated for high-pressure operation up to 2200 bar. Its precision-engineered internals maintain consistent atomization under demanding load cycles, supporting reliable performance in excavators, loaders, bulldozers, underground and surface mining equipment, generators, compressors, industrial engines, tractors, harvesters, and medium-duty marine diesel engines. OEM-compliant fittings enable straightforward installation, and the unit is fully compatible with both factory and aftermarket fuel systems, offering operators a versatile replacement solution.

For optimal service life, inspect the injector nozzle for wear or clogging every 500 operating hours and use only clean, filtered diesel fuel. Replace injector seals every 12 months or as operating conditions require, and avoid over-tightening mounting bolts during installation. Regularly monitor engine ECU fault codes for injector-related errors to ensure early detection of performance issues. This injector combines robust construction with proven engineering, delivering dependable fuel delivery for construction, mining, industrial, agricultural, and marine fleet operators worldwide.