4071213 COUPLING;PIPE HITACHI for EX100W/4BD1

Precision Connection for Fluid Systems – The Critical Link for Leak-Free Performance.

This genuine Hitachi pipe coupling ensures secure, reliable connections between fluid lines in hydraulic, fuel, coolant, and air systems . Precision-machined to exact OEM specifications (including 30mm diameter configurations ), it provides proper thread engagement, correct sealing surfaces, and reliable torque retention under pressure and vibration. Available in multiple part numbers including 4712341, 4073889, and 4067833 for specific excavator models .

Superior Materials and Precision Engineering – Built for High Pressure and Harsh Conditions.

Manufactured from high-grade materials such as forged steel, stainless steel, or precision-machined brass—selected for specific pressure ratings and fluid compatibility—this genuine coupling offers exceptional strength and resistance to mechanical stress . Accurately formed threads and sealing surfaces ensure consistent, repeatable connections without cross-threading or galling. Advanced protective coatings provide long-term corrosion resistance against moisture, chemicals, and harsh job site conditions . Often used in return piping assemblies, these couplings are engineered to maintain system integrity in demanding excavator applications .