Description
Caterpillar Unit Injector Sleeve Remover 151-4832 & 221-9777 Fuel Injector Nozzle-Cup-Sleeve-Tube Installer Alt. (ST-S916-IT)
The Unit Injector Sleeve Remover is designed to facilitate the removal of unit injector sleeves from an engine’s cylinder head. Constructed from durable materials, it withstands the harsh working conditions encountered during removal. This tool effectively removes the unit injector sleeve, allowing operators to access, replace, or repair the unit injector as needed.
Applications: Caterpillar 3126, 3126B, and the C-7 engines.
Includes:
- Alternative to 151-4832 Unit Injector Sleeve Remover
- Alternative to 221-9777 3126B C7 C9 Fuel Injector Nozzle-Cup-Sleeve-Tube Installer (compatible with cup 227-1200, 229-1490)
- EM401611 Premium 1-11-1/2 Dia 5 Flute HSS Bright Taper Pipe Tap
Note: The included tap is a high-quality imported item and is considered a wear item with no warranty.
Important: This tool will NOT work on engines with mechanical injection (MEUI). Many people mistakenly identify their injectors as HEUI when they see wires running to them. However, if your injectors are actuated by a rocker’s arm and push rod, you have an MEUI system and will need tools 143-2099-MUI-R instead.






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