Caterpillar original HP Diesel Fuel Injector 174-7526 Replacement for OEM 0R-9349 Compatible with 3126, C7, 3408, 3412, 3406E, C15, C18, 3408E, 3412 Engine for Truck original new injector

Precision-built to meet strict OEM specifications for Caterpillar 3126 Series diesel engines, the 174-7526 fuel injector is a heavy-duty fuel injection component engineered for consistent, high-performance operation. It delivers precisely metered diesel fuel at extremely high pressure, with electronically controlled injection timing that optimizes fuel atomization and combustion efficiency, boosting engine power output, reducing fuel consumption, lowering exhaust emissions, and minimizing carbon deposits. Constructed from high-strength alloy steel with corrosion-resistant properties, it delivers extended service life even in demanding heavy-duty work environments.

This injector is fully compatible with all CAT 3126 engine variants, including 3126B, 3126E, 3126 Marine, 3126 Generator, and 3126 Industrial models. It fits a broad portfolio of equipment across construction, commercial transportation, marine, power generation, agriculture, and industrial sectors, covering excavators, wheel loaders, backhoe loaders, heavy trucks, commercial buses, generator sets, marine engines, agricultural tractors, and industrial compressors. It serves equipment dealers, engine rebuilders, mining contractors, fleet operators, and other industrial clients, supporting OEM replacement, aftermarket maintenance, fleet service operations, engine rebuilding, and equipment refurbishment projects worldwide.

Every injector undergoes rigorous factory testing, and is available in new or reman condition with a 12-month warranty, packaged in neutral or customized options. B2B clients can access official installation guidance, routine maintenance recommendations, and failure troubleshooting resources to ensure optimal performance and maximum service life.