Hydraulic Spare Parts in Stock
Hydraulic spare parts are the service components that keep hydraulic pumps, motors, valves, and systems running reliably — including seal kits, pistons, rotors, vanes, gears, valve cartridges, springs, and other wear parts. Our inventory covers a comprehensive range of high-quality hydraulic spare parts engineered for direct drop-in fitment, helping you minimize downtime and extend the service life of your equipment. From routine maintenance to complete overhauls, Hengyuhang supplies the spare parts you need to keep your hydraulic systems performing at their best.
Hengyuhang combines robust manufacturing capacity with specialized engineering expertise to produce high-quality hydraulic spare parts. Manufactured to stringent international quality standards, our spare parts deliver the reliability, precision, and durability required to serve as direct replacements for leading international brands. When standard components cannot meet specific technical demands, our facility designs and manufactures entirely custom spare parts — from rapid prototyping to full-scale production — engineered strictly to your operational parameters and application needs.
What Are Hydraulic Spare Parts?
Hydraulic spare parts are the individual components that make up and service hydraulic systems, including pumps, motors, valves, and cylinders. They range from consumable wear parts such as seal kits, O-rings, and bearings to precision components such as pistons, rotors, vanes, gears, valve spools, and cartridges. Hydraulic spare parts are essential for routine maintenance, repair, and overhaul, restoring equipment to original performance and extending service life.
Types of Hydraulic Spare Parts
Hydraulic spare parts are generally classified by the component or system they serve.
Pump and motor spare parts include seal kits, pistons, rotors, vanes, gears, gear sets, bearings, and shafts for hydraulic pumps and motors.
Valve spare parts include spools, cartridges, solenoids, springs, and seal kits for directional, pressure, and flow control valves.
Cylinder spare parts include piston seals, rod seals, wipers, guide rings, and O-rings for hydraulic cylinders.
System accessories include filters, accumulators, couplings, fittings, and other components that support reliable hydraulic system operation.
Applications of Hydraulic Spare Parts
Hydraulic spare parts support the maintenance and repair of hydraulic systems across a wide range of industries:
Construction machinery — excavators, loaders, cranes
Agricultural equipment — tractors, harvesters
Industrial machinery — presses, injection molding machines, machine tools
Marine and offshore equipment
Mining and material handling equipment
Mobile hydraulic systems
Forestry and specialized machinery
Features of Hydraulic Spare Parts
Precision-engineered for direct drop-in fitment
Manufactured to stringent international quality standards
Reliable, durable performance with long service life
Wide range of consumable and precision components
Competitive pricing with dependable availability
Direct interchangeability with leading international brand models
Techspecs of Hydraulic Spare Parts
Specifications vary by component type and model. Common parameters include:
| Parameter | Typical Range |
|---|---|
| Seal material | NBR / FKM / PU / PTFE |
| Pressure rating | up to 450 bar |
| Operating temperature | -30 °C to +100 °C |
| Surface finish | precision ground / honed |
| Hardness | varies by component |
| Fitment | direct interchange |
| Port type | threaded or flange |
| Mounting | model-specific |
Contact us for the exact specification sheet of any specific spare part.
Spare Parts Replacement
Hengyuhang hydraulic spare parts are engineered as direct, dimensionally interchangeable replacements for leading international brands, delivering equal or better performance at a competitive price with long service life. Our replacement range covers:
Parker, Rexroth, SAMHYDRAULIK, DANFOSS, CAT, Linde, YUKEN, CASAPPA, VICKERS, EATON, OILGEAR, Kazel, YEOSHE, PZB, ATOS.
Simply tell us your existing part number, and we will match the correct interchange.
Spare Parts Selection Guide
To select the right hydraulic spare part, confirm the following parameters:
Equipment type and manufacturer
Part number or model reference
Component type and function
Operating pressure and temperature
Fluid type and viscosity
When in doubt, provide your existing part number, equipment details, or application, and our engineers will recommend the optimal match.
Spare Parts OEM Service
Hengyuhang provides high-quality hydraulic spare parts OEM batch customization and production services. You can supply your own design and drawings, or let our engineering team design the part to your specification. We offer flexible branding options — private label (your logo / part number) or no label — with full support from prototyping and testing to mass production and consistent quality control.
Spare Parts Manufacturer
Hengyuhang is a professional hydraulic spare parts manufacturer and supplier, offering a complete range of standard and custom spare parts with reliable quality, competitive pricing, and dependable delivery to customers worldwide.
FAQ of Hydraulic Spare Parts
1. What hydraulic spare parts do you supply?
We supply a comprehensive range of hydraulic spare parts, including seal kits, pistons, rotors, vanes, gears, valve cartridges, spools, solenoids, springs, bearings, and other wear and precision components for pumps, motors, valves, and cylinders.
2. Can your spare parts replace other brands?
Yes. Our hydraulic spare parts are engineered as direct, dimensionally interchangeable replacements for Parker, Rexroth, SAMHYDRAULIK, DANFOSS, CAT, Linde, YUKEN, CASAPPA, VICKERS, EATON, OILGEAR, Kazel, YEOSHE, PZB, and ATOS.
3. How do I identify the right spare part?
Provide your existing part number or model reference, and our engineers will match the correct interchange. Photos and equipment details also help.
4. Do you offer custom or OEM spare parts?
Yes. We offer OEM batch customization — you can provide the design, or we can design the part to your specification, with optional private labeling.
5. What is the MOQ for OEM orders?
MOQ is flexible depending on the part and customization requirements. Contact us for a tailored quotation.
6. What is your lead time?
Lead time depends on quantity and customization. Standard parts ship quickly; custom orders are confirmed at quotation.