Description
Product Overview
The HIRINTOL EX-5 throttle control is a direct replacement for part numbers 4360509, 4614911 and several KP56RM2G variants. Crafted from high‑strength metal, it offers superior resistance to wear and corrosion, meeting the rigorous demands of construction sites. Dimensions measure 8.94 x 7.36 x 6.85 inches and the unit weighs 5.83 pounds, fitting seamlessly into the original housing of Hitachi excavator models ranging from EG70R to ZX460. Precision machining ensures exact alignment with the fuel injection system, providing consistent throttle response and reduced downtime.
Usage
Designed for professional excavator operators, the EX-5 excels in heavy‑duty applications such as digging, grading, and demolition. Whether you are working on a large infrastructure project or a compact urban site, this throttle control maintains stable performance during prolonged operation. Compatible with a wide array of Hitachi models—including EG110R, EX125WD‑5, ZX300W, and many more—it serves contractors, rental fleets, and maintenance technicians who need reliable, OEM‑grade parts.

Why Choose Us
HIRINTOL combines rigorous safety testing with meticulous quality control to deliver a component that exceeds original specifications. Our manufacturing process utilizes premium alloys and CNC precision, resulting in a longer service life and reduced wear compared to generic alternatives. Each unit undergoes functional verification to ensure it meets or surpasses OEM performance standards, giving you confidence in field reliability and safety.
Key Features
- High‑quality metal construction for maximum durability
- Exact OEM fit for a wide range of Hitachi excavator models
- Improved throttle response for smoother operation
- Extensive safety testing guarantees stable long‑term performance
- Easy installation with bolt‑on design, reducing service time
FAQ
Is the EX-5 compatible with my Hitachi ZX250?
Yes, the EX-5 is listed as compatible with the ZX250 and other ZX series models, providing a direct replacement for the original throttle control.
What part numbers does this replace?
The EX-5 replaces part numbers 4360509, 4360509‑A, 4614911, 4614911‑A, KP56RM2G‑007, KP56RM2G‑007‑A, KP56RM2G‑019 and KP56RM2G‑019‑A.
How do I install the throttle control?
Installation involves removing the existing unit, aligning the mounting holes, and securing it with the original bolts. Detailed instructions are included in the package.
Will this part affect my excavator’s warranty?
When installed correctly, the EX-5 meets OEM specifications and does not void the manufacturer’s warranty.
What is the expected service life of the EX-5?
Thanks to its high‑grade metal construction and precision engineering, the EX-5 typically outlasts standard replacement parts, often exceeding the original component’s lifespan under normal operating conditions.





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