Caterpillar original Common Rail Diesel Fuel Injector 392-0213 392-0214 20R-0850 392-0203 OEM Replacement for Diesel Engines, Industrial Use original new injector

The CAT 392-0213 is an original-new diesel fuel injector engineered as a direct-fit component for Caterpillar 3512B and selected 3512C series diesel engines. Built to perform in harsh operating conditions, it serves a broad range of mission-critical sectors including industrial, mining, marine propulsion, oil and gas, and power generation. It is compatible with a wide portfolio of heavy-duty equipment, from mining haul trucks and offshore supply vessels to land drilling rigs, data center backup generators, and heavy construction machinery.

Manufactured strictly to Caterpillar OEM specifications, this injector delivers precision fuel metering and OEM-calibrated atomization spray patterns to optimize combustion efficiency, reduce incomplete fuel burn and associated emissions, and maintain consistent cylinder balance for stable horsepower output. It adopts high-temperature resistant, corrosion-resistant materials and heavy-duty internal components to extend service intervals, lower failure rates, and support reliable long-term operation under heavy-load, extreme industrial environments.

Backed by a complete cross-reference database covering OEM, remanufactured, and interchange part numbers, the 392-0213 is widely recognized by Caterpillar dealer networks, engine overhaul workshops, fuel injection specialists, and global aftermarket suppliers. To ensure proper fit and function, installers are advised to verify the OEM part number and engine serial number, replace injector seals, and follow official Caterpillar service manual torque and calibration guidelines during installation.