Perkins original Perkins 387-9434 Fuel Injector Replacement for C9 Engine D7R D6R 330D 336D Excavator Parts diesel engine new injector original new injector

The Perkins C9 HEUI fuel injector, main OE number 387-9434, is engineered as a direct replacement component for Perkins C9 series industrial diesel engines, delivering precision fuel metering and consistent injection pressure required for high-load continuous operation. Manufactured to meet OEM equivalent performance standards, this injector ensures accurate fuel quantity control, optimized spray pattern geometry, and reliable cold-start performance in demanding working environments such as construction sites, mining operations, forestry fields, and stationary generator sets.

Constructed with premium hardened steel internal components, the 387-9434 injector provides high wear resistance and long-term durability under ultra-low sulfur diesel fuel conditions. It cross-references 10R-7221, 20R-8063, 20R-1938, 328-2573, 293-4071, and 267-9734, allowing flexible compatibility across a wide range of Perkins-powered machinery including excavators 330D and 336D, track type tractors D6R, D6T, and D7R, motor graders 160M, and forestry equipment 2290 and 511.

This fuel injector supports reduced exhaust emissions, lower particulate generation, and improved horsepower output, contributing to maximum combustion efficiency and extended service intervals. Compatible with 205 HP through 375 HP engine configurations, it serves as a dependable aftermarket replacement solution for global Perkins C9 engine applications requiring OEM-level injector performance.