Parker/Commercial Intertech Po65320 O-Ring

Parker/Commercial Intertech Po65320 O-Ring is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.

This listing uses Hercules part number CM-PO65320. Catalog description: #20 ORB.

Product Details

• Hercules part number: CM-PO65320
• Product type: O-ring or sealing component
• Reference brand/application: Parker/Commercial Intertech
• Approximate weight: 0.66 lb
• Catalog data source: 2026 US Industrial Catalog, 2026 US Cylinder Catalog

Catalog Application Data

• Model or series reference: 20, 25, 544, 28, 720, 12, 44, 86
• Style / kit type: #20 SAE; CM-PO65320
• Catalog page reference: 219, 102

Use this product when your parts book, service manual, cylinder repair list, pump/motor breakdown, or existing component calls for CM-PO65320. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.

Fitment Verification

Before ordering, confirm the CM-PO65320 reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.