Caterpillar original Fuel Injector 418-3229 295050-1810 295050-0411 20R-2479 Replacement for OEM Parts Cross Reference CAT Engines Excavators Generators Construction Machinery original new injector

The Caterpillar 418-3229 is a high-precision common rail diesel fuel injector purpose-built for the CAT C4.4 engine platform, covering C4.4 ACERT, Tier 3, Tier 4, industrial and generator-specific engine variants. Manufactured in strict alignment with OEM specifications, it delivers consistent, reliable fuel delivery even under extreme high-pressure operating conditions. Designed to enable accurate fuel atomization, optimized combustion and stable engine output, it is engineered to withstand the most demanding industrial work environments.

Operating as a core component of the high-pressure common rail fuel system, the injector features precision nozzle technology, high pressure resistance, superior wear resistance and industrial-grade durability. Its verified performance benefits include precise fuel metering, improved combustion efficiency, lower exhaust emissions, reduced particulate formation, faster throttle response, enhanced cold start performance and extended overall engine service life, supporting stable, uninterrupted heavy-duty operation.

Backed by a 12-month warranty, this OEM-standard injector is a direct replacement solution compatible with a wide range of CAT equipment, including 416F, 420F, 430F and 444F backhoe loaders, 907M, 908M and 914M wheel loaders, telehandlers, generator sets and industrial power units. It serves construction, mining, agricultural, material handling and power generation sectors globally, with multiple verified cross-reference numbers to streamline parts matching and support routine maintenance workflows.