original 10R-7673 Fuel Injector 320-0690 10R7673 2645A749 2645A735 2645A719 for 321D Excavator Parts new injector original new injector

The 10R-7673 fuel injector is engineered specifically for the C6 engine family, delivering OEM-grade performance across the C6.2, C6.4, C6.6, and C6.7 diesel platforms. Designed to meet original equipment specifications, this common rail injector operates at 1600–1800 bar injection pressure with a precisely calibrated multi-hole nozzle, ensuring optimal fuel atomization for agricultural tractors, light machinery, excavators, loaders, generators, skid steers, backhoes, and larger construction and mining vehicles. Flow rate is rated at 85–95 L/h with a response time under 1 ms, supporting consistent combustion efficiency in demanding industrial environments.

Manufactured from high-grade steel alloy using CNC machining processes, the 10R-7673 withstands thermal extremes from -40°C to 150°C and resists vibration shock in continuous 24/7 operations. The high-strength construction ensures long service life under heavy-load conditions typical of dump trucks, crushers, conveyor systems, forklifts, harvesters, irrigation pumps, and industrial marine diesel engines. Installation torque is specified at 30–35 Nm, with compliance to ISO 9001 and ISO/TS 16949 standards guaranteeing dimensional accuracy and repeatable performance across the full C6 engine range.

This injector serves as a direct replacement and cross-reference for part numbers including 10R-7673, 10R7673, 326-4703, 3264703, 317-8878, 10R-7654, 10R7655, 0445110378, 0 445 110 378, 7135-405, 7135405, 148-654, 148654, 23670-30120, and 2367030120, providing versatile compatibility for fleet maintenance and engine rebuild programs. Backed by a 12-month or 1000 operating hours warranty, the 10R-7673 is the reliable solution for maintaining fuel efficiency, reducing emissions, and restoring rated power output in C6-powered equipment.