Caterpillar original Diesel Fuel Injector 10R-47641 for E324D 325D 326D2 E329d C7 C9 Engine Parts, Replacement for OEM 10r-7221, with related OEs 10R-2828 and 236-0962 original new injector

The Caterpillar 10R-47641 is a precision-engineered diesel fuel injection component purpose-built for Caterpillar C9 and C9 ACERT engine platforms. Manufactured to meet or exceed OEM performance specifications, it delivers accurate fuel metering, optimized atomization, superior combustion efficiency, reduced fuel consumption, and consistent reliable operation even in the most demanding heavy-duty working environments. It serves as a critical component for sustaining engine performance, emissions compliance, and long-term fuel economy across diverse operational use cases.

This new injector carries an official Caterpillar OEM part number, and is fully interchangeable with cross reference numbers 326-1646 and 326-1647. It is compatible with the full range of C9 engine variants, including industrial, marine, generator, and construction equipment engine configurations. It fits specified Caterpillar equipment models spanning 320D to 336D series excavators, 966H, 972H, 980H wheel loaders, and D7R, D7E, D8T dozers, with additional suitability for mining, quarry, oilfield, agricultural, power generation, and marine operation applications.

Built with precision-machined nozzle assemblies, hardened internal components, advanced sealing technology, and high-pressure fuel delivery capability, it offers a rated service life of 8,000 to 15,000 operating hours under proper maintenance and clean fuel conditions. Note that injector trim coding and ECM synchronization may be required post-installation depending on specific engine ECM configurations. It is a trusted sourcing choice for equipment owners, fleet operators, maintenance contractors, engine rebuilders, and OEM replacement part distributors worldwide.