Caterpillar original 20R-0849 Reman Diesel Fuel Injector for C13 Engine 3508 3512 3516 3524 Construction Machinery Parts Replacement for OEM new original new injector

The Caterpillar CAT 3512B Fuel Injector 20R-0849 is an OEM genuine remanufactured diesel fuel injector designed for the CAT 3500 series engine family, including CAT 3408, CAT 3412, CAT 3512, CAT 3512B, CAT 3512C, CAT 3516, CAT 3516B, and CAT 3516C. This injector serves as a direct replacement for cross reference numbers 247-9784, 326-1640, 10R-0957, 0R-8477, 0R-8479, and 212-3464, ensuring broad compatibility across generator sets, mining trucks, marine vessels, oilfield rigs, industrial pumps, compressors, and power plant installations.

Engineered for precision fuel metering and optimized atomization, this injector operates through a five-stage working principle covering fuel pressurization, metering, atomization, combustion, and power generation. The result is maximum combustion efficiency, improved fuel economy, reduced smoke emissions, and stable engine performance under continuous-duty operating conditions. Each assembly is designed to deliver enhanced fuel economy, lower emissions, and increased engine longevity in demanding industrial and marine environments.

Proper installation requires verifying the injector number, confirming the engine serial number, inspecting the injector bore, replacing sealing components, cleaning fuel lines, and checking the fuel filtration system before installation. Caterpillar torque specifications and approved installation tools must be used during fitting, followed by leak inspection, engine performance monitoring, exhaust quality verification, and fuel consumption checks after installation. Common failure symptoms addressed by replacement include hard starting, white smoke, black smoke, power loss, rough idle, high fuel consumption, cylinder misfire, and elevated exhaust temperatures.