Parker/Commercial Intertech 77004 Hydraulic Steel Plug

Parker/Commercial Intertech 77004 Hydraulic Steel Plug 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-77004. Catalog description: FV-STL-1/4.

Product Details

• Hercules part number: CM-77004
• Product type: Hydraulic sealing or repair component
• Reference brand/application: Parker/Commercial Intertech
• Approximate weight: 0.022 lb
• Catalog data source: 2026 US Seal Catalog, 2026 US Industrial Catalog, 2026 US Cylinder Catalog

Catalog Application Data

• Catalog section: Repair Accessories
• Model or series reference: 10, 54
• Style / kit type: Or By Contacting Your Regional Hercules Sales Team.; 1/4” NPT; CM-77004
• Catalog page reference: 833, 207, 135

Use this product when your parts book, service manual, cylinder repair list, pump/motor breakdown, or existing component calls for CM-77004. 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-77004 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.