Perkins original Perkins original Perkins 10R-1259 Common Rail Fuel Injector for C10 C12 Diesel Engine EXCAVATOR 345B 345C Truck Parts Replacement for OEM new injector original original new injector

Engineered as a direct OEM-equivalent replacement, the Perkins C10 Series Fuel Injector 10R-1259 delivers consistent fuel delivery, precise atomization, and stable combustion across demanding industrial and mobile applications. Built with hardened alloy construction and high-strength materials, each injector resists thermal stress, wear, and corrosion caused by harsh fuels and high-temperature operating environments. The electronically actuated control valve supports fast response rates, enabling accurate injection timing within a 1500–1600 bar high-pressure common rail system. Multi-hole precision nozzles and premium O-rings ensure reliable sealing, while standard Perkins electrical interface guarantees straightforward plug-and-play interchangeability with factory-spec parts.

The 10R-1259 injector is compatible with Perkins C10 and C12 diesel engine platforms and may also appear in service parts lists for C9 engines, industrial generator sets, marine auxiliary engines, and large agricultural diesel powerplants. It is widely deployed in construction machinery such as bulldozers, excavators, and loaders, as well as in mining equipment including rigid dump trucks and wheel loaders. Distributors, fleet operators, and engine remanufacturers across North America, Europe, Asia Pacific, the Middle East & Africa, and Latin America rely on this part for heavy equipment maintenance, diesel power generation, and large-scale agricultural operations.

Routine inspection every 250 hours, approved fuel system cleaning every 500 hours, and periodic flow testing help maximize injector service life. Installation torque is specified at 40–45 Nm; seals and O-rings should always be replaced, and OEM bleed procedures followed to purge air from the fuel system. Proper maintenance improves fuel economy, extends injector longevity, reduces downtime, stabilizes idle, and lowers emissions in field operations.