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When rebuilding Caterpillar hydraulic electronic unit injectors, precise tolerances are non-negotiable. Our specifically engineered caterpillar 3126 actuator valve stroke measuring instrument takes the guesswork out of complex rebuilding procedures, allowing technicians to consistently read exact lift gaps with zero hassle.
This comprehensive kit features a highly responsive, precision digital indicator for heui injectors that displays ultra-accurate metric and imperial readouts, eliminating the risk of manual calculation errors. The robust CNC-machined mounting block firmly secures the gauge directly to the injector body for perfectly stable readings.
Equip your professional diesel shop with this reliable commercial diesel fuel system calibration tool. It includes all necessary specialty torx bits, extension rods, and alignment wrenches, providing a complete diagnostic solution for maintaining earthmoving machinery efficiently.






| Specification Item | Details |
| Product Model | G14-88 (Base block marking: CAT3128-4H) |
| Tool Category | HEUI Injector Armature Lift / Stroke Gauge |
| Primary Compatibility | Caterpillar 3126 / 3128 HEUI Injectors |
| Measurement Device | Advanced Digital Dial Indicator |
| Measuring Range | 0 - 12.7 mm / 0 - 0.5 inches |
| Gauge Resolution | 0.001 mm / 0.00005 inches |
| Display Interface | High-Contrast LCD Screen (inch/mm switchable) |
| Mounting Base Material | CNC Machined Aluminum with Black Anodized Finish |
| Included Accessories | Wrench, Torx Bits, L-bracket, Angled Extension Rod |
| Power Source | Replaceable Button Cell Battery (for digital screen) |
| Core Function | Accurately testing solenoid gap and armature plate lift |



