Caterpillar original Common Rail Fuel Injector Assembly for C3600 Series Diesel Engine, Fuel Injector 10R-1252, Replacement for OEM 224-9090, Compatible with Engines Aftermarket original new injector

For operators managing heavy-duty Caterpillar power assets across industrial sectors, the CAT 10R-1252 Fuel Injector Assembly is a precision-engineered diesel injection component built for reliable performance in demanding operating conditions. Designed explicitly for CAT 3500 Series engines—with primary fitment for 3512A platforms and compatibility across 3508, 3512, 3516 and related variants—it supports use cases ranging from prime and standby power generation and marine propulsion to mining, oil and gas operations, railway traction and industrial manufacturing.

Manufactured to meet strict OEM specifications, the 10R-1252 injector features high-strength alloy steel construction, corrosion-resistant internal materials, and optimized nozzle geometry to deliver precise fuel metering and superior atomization. Each assembly undergoes rigorous leak testing and performance calibration to ensure consistent high-pressure durability, improved combustion efficiency, reduced fuel consumption, lower exhaust emissions, and enhanced engine power output while extending overall engine service life.

Available in both new and remanufactured configurations to suit varied operational budgets, the injector comes with a 12-month warranty and flexible packaging options including neutral, OEM-style and custom branded solutions. Supported by global air, sea and express logistics, customers are advised to verify part numbers against engine serial numbers prior to ordering, and follow official Caterpillar installation and maintenance procedures for optimal long-term performance.