Caterpillar original Diesel Fuel Injector Replacement for 392-0206 20R-1270 386-1758 10R-1288 0R-8891 229-0194 162-8809 3508B 3512B 3516B Excavator new original new injector

Engineered as a direct OEM equivalent, the 250-1306 fuel injector delivers dependable performance across demanding industrial operations. Precision-manufactured through high-precision CNC machining, each injector is built from hardened alloy steel that resists wear, corrosion, high temperatures, and fatigue. This material construction ensures long service life even under continuous-duty conditions typical of generator sets, marine propulsion, mining sites, and oil and gas installations.

Calibrated to OEM fuel delivery standards, the 250-1306 produces optimized injection patterns that improve atomization and combustion efficiency. Operators benefit from lower fuel consumption, increased thermal efficiency, and reduced overall operating costs. The injector is a proven replacement for cross references 326-1643, 10R-7222, 317-7630, and 341-9876, covering CAT 3512B, 3512C, 3516B, 3508, and related engine series used in heavy-duty power generation and industrial machinery.

Routine maintenance of the fuel system plays a key role in maximizing injector performance. Recommended practices include regular fuel filter replacement, draining water separators, using high-quality diesel fuel, monitoring exhaust emissions, and performing periodic injector testing. When symptoms such as hard starting, black smoke, white smoke, rough idle, or excessive fuel consumption appear, bench testing and inspection of spray pattern are advised to identify worn or contaminated components.