Zx70 4446258 4446255 4446254 Hydraulic Arm Bucket Boom Cylinder Stick Cylinder for Hitachi Excavator Zx70 Zx70-3

• Customization: Available
• Certification: ISO9001
• Pressure: High Pressure
• Model NO.: ZX70 ZX70-3
• Work Temperature: Normal Temperature
• Acting Way: Single Acting
• Working Method: Straight Trip
• Adjusted Form: Regulated Type
• Structure: Piston Type
• Material: Cast Steel
• Product Name: Excavator Hydraulic Cylinder
• Warranty: One Year
• Model: Zx70 Zx70-3
• Part Number: 4446258 4446255 4446254
• Pn1: 9246664 4628637 9261587h 9261587 9299853h
• Pn2: 9303615h 9303615 9303614h 4701098 9303614 9299854h
• N3: 4637752 4257930 4257931 4459481 4468977 8086866
• Part Number 4: 4250223 4250224 9150144 9150145 4317393
• Part Number 5: 4317394 4317939 4372912 4372912ex 4372913
• Part Number 6: 4372913ex 9083749 9099003 9076104 9110524
• Part Number 7: 9110532 9099424 9161886 9147236 9161885
• Part Number 8: 9147235 9122615 9124831 9122616 9124832
• Part Number 9: 9164874 9170169 9164872 9170170 4310241
• Part Number 10: 4310242 4272843 4331075 4331076 8067792
• Part Number 11: 9150147 4318327 4372915 4372915ex 9161888 9147238
• Transport Package: Wooden Case
• Specification: Cast steel
• Trademark: GLPARTS
• Origin: China
• HS Code: 8431499900
• Production Capacity: 1000PCS/Month

Product Description

ZX70 4446258 4446255 4446254 Hydraulic Arm Bucket Boom Cylinder Stick Cylinder For Hitachi Excavator ZX70 ZX70-3
Product Description

Product Name	Hitachi Excavator Hydraulic Cylinder	Part Type	New Replacement
Part Number	4446258 4446255 4446254	Machine Model	ZX70 ZX70-3 ZX70-3-HCME ZX70-HHE ZX75US-3 ZX75US-A ZX75USK-3 ZX80LCK ZX80LCK-3 ZX80SB-HCME ZX85US-3 ZX85US-HCME ZX85USB-3 ZX85USB-3-HCME ZX85USBN-3-HCME

Material

Cylinder Rod	High-frequency surface hardening with hardness up to 55, plus hard chromium plating for superior wear resistance.
Cylinder Tube	Made from 25Mn steel, offering excellent durability and anti-wear performance.
Cylinder Heads	Constructed from high-strength hardened steel for maximum durability.
Seals	Use of premium seals from Japan NOK and US SKF to enhance sealing performance and prevent leaks.

Part number system
komatsu/volvo/hitachi /sumitomo/kato part number systems for checking 

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