- Adapter
- Adjustment Rod
- Bearing
- Compensator – Max Stop
- Control Plate & Valve Plates
- Coupling
- Cover – Cap
- Cylinder Block – Barrel
- Gaskets – Seals
- Gerotor
- Housing
- Lift Limiter
- Link
- Mounting Flange
- O ring – Backup Ring
- Pin & Key
- Pintle
- Piston – Rod
- Piston – Shoe
- Plugs – Nuts – Bolts
- Poppet – Check Valve – Orifice
- Relief Valve
- Retaining Ring – Pin Retainer
- Rotating Group
- Seal Kit
- Seat
- Shaft
- Shoe Plate – Retaining Plates
- Spherical Washer
- Spool
- Spring
- Swash Plate
- Valve Block – Valve Plate – End Covers
- Washer – Shims – Spacers
- Yoke – Cradles – Yoke Parts
Hydraulic Pump Replacement Parts
Panagon Systems is proud to be the largest aftermarket piston pump manufacturer in the United States, providing high-quality, American-made replacement parts for hydraulic pumps and motors. With a long-standing reputation for precision engineering and dependable service, we specialize in aftermarket and hard-to-find components for legacy and discontinued models. Whether you’re servicing a single piston pump or managing a fleet, Panagon offers a reliable, cost-effective solution. All parts are manufactured in the USA and inspected to meet or exceed OEM standards. We deliver components for a range of industries, including construction, mining, agriculture, and industrial manufacturing.Trusted Brands We Support
We supply aftermarket hydraulic replacement parts for the most recognized names in the industry:- Rexroth
- Vickers by Danfoss
- Caterpillar
- Eaton
- Danfoss
Vickers | Vickers by Danfoss Hydraulic Pump PartsWe supply aftermarket parts for Vickers piston pumps and motors, now part of the Danfoss family. Our inventory supports discontinued models such as PVH, PVB, and PVE, delivering drop-in compatibility and long service life. All components are built to match original specs, making Panagon the trusted choice for industrial users maintaining or restoring older Vickers systems. |
Eaton | Eaton Hydraulic Pump PartsPanagon Systems manufactures replacement parts for Eaton hydraulic pumps, including legacy Vickers models. Whether you’re running industrial systems or mobile equipment, our parts meet demanding performance and pressure requirements. From rotating groups to seals and shafts, we offer ready-to-ship solutions that help you minimize downtime and maximize output. |
Danfoss | Danfoss Hydraulic Pump PartsDanfoss pumps are built for high efficiency—and our aftermarket replacement parts are engineered to maintain that standard. We support several Danfoss series with components like pistons, control plates, swash plates, and more. Ideal for industrial automation and agricultural systems, Panagon’s Danfoss-compatible parts are made in the USA and deliver OEM performance at a fraction of the cost. |
Rexroth | Rexroth Hydraulic Pump PartsPanagon Systems manufactures and supplies replacement parts for Rexroth piston pumps, including legacy and obsolete models. Our parts are engineered to meet or exceed OEM standards and are trusted in mobile, industrial, and heavy-duty applications. Whether you’re servicing A10V, A4V, A2F, or other Rexroth series pumps, we provide direct-fit components with the same performance and reliability of OEM parts—without the delays or costs of overseas sourcing. |
Caterpillar | Caterpillar Hydraulic Pump PartsKeep your Caterpillar equipment running with replacement hydraulic pump parts from Panagon. We support a wide range of Cat piston pump models used in construction, heavy machinery, and field equipment. Each part is U.S.-manufactured and built for durability in harsh working environments. Avoid the cost and delay of dealer-ordered parts—Panagon offers fast turnaround and expert customer support. |
Recent News
Cracking the Code of Vickers Vane Pumps
When it’s time to repair or replace your old Vickers Vane pump, it’s crucial that you understand how to read its identification code.
How to Identify Your Piston Pump Model
Learn more about where to find your piston pump model number when replacing parts and what to do if you can’t find it.Your Choice for OEM Quality Replacement Components
Our manufacturing facility houses many CNC machines capable of producing high-quality hydraulic components and replacement parts.
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