4464985 Arm Cylinder Seal Kit for John Deere 75C 80C HITACHI ZX70 ZX80

Product Overview

This arm cylinder seal kit is a direct replacement hydraulic seal set designed for excavator arm cylinders on John Deere and Hitachi models. The kit includes all necessary seals and wipers to restore arm cylinder performance and prevent leaks. Ideal for equipment maintenance professionals and fleet operators seeking reliable hydraulic repairs.

Key Features & Performance

• Includes all required seals, wipers, and O-rings for a complete arm cylinder rebuild
• Manufactured from durable polyurethane and nitrile rubber for long service life
• Precision-engineered to meet or exceed OEM specifications
• Designed to handle high hydraulic pressures and extreme working conditions
• Reduces downtime by eliminating the need to source individual seal components

Fitment & Compatibility

• John Deere 75C Excavator
• John Deere 80C Excavator
• Hitachi ZX70 Excavator
• Hitachi ZX80 Excavator

Common Uses

• Replacing worn or leaking arm cylinder seals on excavators
• Hydraulic cylinder overhaul during major equipment service
• Restoring digging and lifting force in excavator arm assemblies
• Preventing hydraulic fluid contamination from seal failure

Technical Specifications

• Part Number(s): 4464985

Frequently Asked Questions

Q: Does this seal kit fit both arm and boom cylinders? A: No, this kit is specifically designed for the arm cylinder only. Please verify your cylinder application before purchase.

Q: Are installation instructions included? A: Instructions are not included, but standard hydraulic cylinder seal replacement procedures apply. We recommend consulting a service manual for your specific model.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.