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The Model G5-34 HEUI Injector Disassembly Tool is a specialized maintenance solution engineered specifically for Caterpillar diesel systems. This comprehensive kit is designed to facilitate the complete disassembly, decomposition, and assembly of CAT C7, C9, and 3126B HEUI (Hydraulically Actuated Electronic Unit Injection) injectors.
In diesel repair workshops, HEUI injectors require precise handling during the rebuild process. This tool set provides the necessary fixtures and wrenches to safely open the injector body, remove the solenoid, and access internal components without causing damage to delicate threads or sealing surfaces. It is an indispensable tool for mechanics performing nozzle replacement, seal changes, or opening pressure testing.
Constructed from high-grade, corrosion-resistant steel, the G1-17 kit ensures durability and longevity, making it suitable for heavy-duty professional use. Whether you are troubleshooting engine performance issues or conducting routine injector remanufacturing, this tool ensures that the intricate components of the C7 and C9 series are handled with factory-level precision.


Wide Compatibility: Perfectly fits Caterpillar C7, C9, and 3126B series HEUI injectors, covering a broad range of heavy-duty machinery.
Damage Prevention: Custom-designed fixtures hold the injector securely, preventing slippage and damage to the injector body or nozzle during high-torque disassembly.
High Durability: Made from hardened alloy steel to withstand the rigors of daily workshop use and resist wear over time.
Complete Functionality: Supports the entire repair cycle, including disassembly, internal cleaning access, and re-assembly for testing opening pressure.
User-Friendly Design: Ergonomically designed tools simplify the complex process of HEUI injector decomposition, saving time for technicians.


