HEUI Hydraulic Unit Injector Pump High-pressure oil pump for CAT C7 and C9 HEUI fuel systems. Compatible with 319-0677, 319-0676, and 254-4357 part numbers. Key Features HEUI hydraulic unit injector pump - high-pressure oil pump for C7/C9 fuel systems 319-0676 rated at 23.50 LPM and 319-0677 rated at 30 LPM Cross-references to 10R-8899, 10R-8898, 254-4357, 254-4355, and 319-0622 Compatible with C7 and C9 engines in excavators, wheel loaders, and motor graders Available in new