Hercules 3506 Wiper Seal

Hercules 3506 Wiper Seal 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 HCW-3506. Catalog description: HCW-3506.

Product Details

• Hercules part number: HCW-3506
• Product type: Wiper or scraper seal
• Reference brand/application: Hercules
• Approximate weight: 29.33 lb
• Catalog data source: 2026 US Cylinder Catalog

Catalog Application Data

• Model or series reference: 3506, 50, 16, 25, 22, 29, 33, 195, 90
• Style / kit type: HCW-3506
• Catalog page reference: 46

Use this product when your parts book, service manual, cylinder repair list, pump/motor breakdown, or existing component calls for HCW-3506. 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 HCW-3506 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.