Caterpillar original 0R-3252 Fuel Injector Assembly for C3500 3500 Series Excavator Diesel Engine Spare Part Replacement original new injector

The CAT 0R-3252 fuel injector is engineered as a direct OEM equivalent replacement for Caterpillar 3512A series diesel engines, delivering precision fuel metering and superior combustion efficiency. Manufactured from hardened alloy steel with an anti-corrosion surface treatment, this injector withstands the high-temperature and high-pressure demands of continuous industrial operation. It is fully compatible with CAT 3512A, 3512B, 3516, 3516B, 3508, and 3508B engine platforms, serving power generation, marine propulsion, mining, oil and gas, and heavy construction applications.

This unit injector features enhanced fuel economy, extended service life, and heavy-duty durability that meets OEM performance standards. The precision-machined internal components ensure consistent injection pressure, stable atomization, and reliable cold-start capability. Each injector is produced under strict quality control protocols and backed by a 12-month warranty, providing operators with confidence in long-term equipment uptime. Cross-reference numbers 317-4269, 211-1760, 10R-2252, and 0R-3252R offer broad interchangeability across multiple CAT engine service inventories.

Proper installation requires adherence to standard pre-installation procedures, including cleaning the injector bore, replacing sealing rings, verifying fuel cleanliness, and applying correct torque specifications. Routine monitoring for symptoms such as white smoke, black smoke, or power loss enables early diagnosis of injector wear or fuel system contamination, supporting proactive maintenance and reduced unscheduled downtime across demanding industrial environments.