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33-99No. Mufu E Rd. Gulou District, Nanjing, China [email protected] | [email protected]
Home / Products / Hydraulic Pump / Eaton
Product Overview
This high-performance repair seal kit is engineered for Eaton 5423 series high-pressure piston pumps, covering displacement models from 40cc to 120cc. The kit includes complete shaft seals, O-rings, gaskets, backup rings and critical sealing components for full pump overhaul and routine maintenance.
Constructed with imported premium NBR nitrile rubber and FKM fluororubber as core materials, the seal set delivers exceptional oil resistance, high-pressure endurance, wear resistance and anti-aging properties. It serves as a direct OEM replacement for original Eaton 5423 seals, effectively resolving external leakage, internal bypass and pressure drop issues. It extends the service life of 5423 pumps under continuous heavy-load, high-pressure and vibration-intensive operating conditions.
Product Specifications
Item |
Detailed Parameter |
Product Name |
Eaton 5423 Hydraulic Pump Seal Kit |
Applicable Model |
5423 (Displacement: 40cc–120cc/rev) |
Compatible Series |
Eaton 54 Series High-Pressure Piston Pump |
Main Material |
Imported NBR / FKM Fluororubber + Reinforced PTFE Backup Ring |
Max Working Pressure |
35MPa (350bar) |
Working Temperature |
-40°C ~ 120°C (NBR); -20°C ~ 200°C (FKM) |
Kit Contents |
Shaft seal, O-rings, gaskets, backup rings, valve plate seals, full overhaul sealing parts |
Cross Reference OEM No. |
109823-0000 (Eaton Genuine) |
Net Weight |
Approximately 0.95kg |
Applicable System |
High-pressure hydraulic drive system, closed-loop transmission, industrial & mobile machinery |
Warranty |
12 Months |
Key Selling Points
1. 100% Exact OEM Replacement.Fully compatible with original Eaton 5423 piston pumps, precisely matching OEM part number 109823-0000. No cutting or modification required; enables quick direct installation for scheduled overhaul and emergency field repair.
2. Premium Imported Sealing Material.Core sealing components use high-performance FKM fluororubber and reinforced PTFE backup rings. Materials resist hydraulic oil corrosion, extreme temperatures and mechanical fatigue, maintaining stable sealing performance across -40°C to 200°C (material-dependent).
3. High Pressure & Vibration Resistance
All components undergo strict 35MPa high-pressure and vibration simulation tests. Eliminates internal/external leakage, stabilizes hydraulic pressure, and ensures consistent flow and power output of the pump under harsh working conditions.
4. Complete All-in-One Repair Kit.Equipped with all sealing accessories for full pump maintenance, including specialized seals for valve plates and bearing assemblies. Integrated packaging simplifies parts management, reduces repair time and lowers overall equipment O&M costs.
5. Strict Factory Quality Control.Every seal kit undergoes air tightness, high-pressure and thermal aging tests before delivery. All products comply with Eaton’s original factory standards, ensuring reliable long-term operation for industrial and construction machinery.
6. Wide Application Scope.Suitable for Eaton 5423 pumps installed on diverse heavy-duty and engineering equipment:
Welcome to HOVOO, a Chinese seal factory. Production of PU, Rubber and PTFE seals. The seals include O-ring, piston seal, rod seal, Gray ring and gas seal.
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