Caterpillar original Common Rail Fuel Injector for C18 C15 C32 Engines, 253-0618, Cross Reference 10R-2772, Replacement for OEM Parts, for Excavator AD55 AD45B and Machinery original new injector

Precision-engineered for the Caterpillar C18 diesel engine platform, the 253-0618 fuel injector is an OEM-equivalent electronic unit injector built to meet stringent Caterpillar performance standards. As a core component of the Common Rail fuel injection system, it is compatible with all C18 variants, including standard, ACERT, marine, generator, oilfield, and industrial pump engines, delivering consistent fuel metering to sustain stable engine operation across heavy-duty use cases.

This industrial-grade injector features high-pressure injection capability, OEM-level calibration, corrosion-resistant materials, hardened wear surfaces, enhanced sealing performance and superior fuel atomization to extend service life and support reliable operation in harsh working conditions. It is widely deployed across construction, mining, marine, power generation, oil and gas, and heavy-duty transportation sectors, fitting equipment ranging from excavators and mining trucks to generator sets, work vessels and industrial pump units.

The 253-0618 injector improves combustion efficiency, reduces fuel consumption and exhaust emissions, boosts power output, stabilizes idling and reduces engine knock to lower long-term operational costs for B2B equipment operators, maintenance teams and parts distributors. It comes with a 12-month warranty, supports neutral or customized packaging, OEM service, sample orders and global shipping, with a 1-piece minimum order quantity to accommodate both urgent replacement needs and large bulk procurement.