Caterpillar original Common Rail Fuel Injector, 0R-2922 for Excavator, Fuel Injector 7C-4173, 7E-8836, Cross Reference 0R-3883 for CAT Diesel Engine Replacement for OEM Parts original new injector

Engineered as a genuine OEM-grade component for Caterpillar’s heavy-duty 3500 Series diesel engine lineup, the 7C-4173 fuel injector assembly is a direct-fit replacement solution for engine maintenance, overhaul, rebuilding, and service exchange projects. It is fully compatible with Caterpillar 3508, 3512, 3512A, 3516, and 3516B diesel engines, with verified cross-reference 7W-7032 and service exchange part number 0R-2507 to streamline sourcing for B2B purchasers.

Manufactured strictly in line with Caterpillar OEM specifications, this diesel fuel injector features a precision-machined nozzle, heavy-duty steel construction, and corrosion-resistant materials to deliver stable injection pressure, precisely controlled spray patterns, and an extended service life. It ensures accurate fuel atomization and optimal air-fuel mixing, which boosts combustion efficiency, cuts excess fuel consumption, and maintains reliable engine performance even under extreme heavy-load operating conditions.

Validated for deployment across industrial power generation, marine propulsion, mining, oilfield, and heavy construction sectors, the 7C-4173 injector fits generator sets, marine propulsion systems, heavy mining haul trucks, oilfield power generation systems, and industrial diesel power plants. It comes with a 12-month warranty, follows official Caterpillar installation guidelines, and supports routine maintenance protocols to reduce unplanned equipment downtime for commercial operators.