Cascade 2803 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 CAS-2803. Catalog description: OR-70NBR-4x1/8-C/S(10).
Product Details
- Hercules part number: CAS-2803
- Product type: O-ring or sealing component
- Reference brand/application: Case
- Approximate weight: 0.009 lb
- Catalog data source: 2026 US Mobile Kit Catalog, 2026 US Industrial Catalog
Catalog Application Data
- Equipment type: Loaders - Wheel
- Catalog page reference: 51, 170
Use this product when your parts book, service manual, cylinder repair list, pump/motor breakdown, or existing component calls for CAS-2803. 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 CAS-2803 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.