Marion 1031 Hydraulic Screw

Marion 1031 Hydraulic Screw 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 MARION-1031. Catalog description: LW-STL-21x3/16sq.-C/S.

Product Details

• Hercules part number: MARION-1031
• Product type: Hydraulic sealing or repair component
• Reference brand/application: Marion
• Approximate weight: 0.202 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: 1031, 16, 21, 00, 35, 72, 11, 60
• Style / kit type: 8 A.M. To 8:00 P.M. Eastern Time; 3/16 sq.; MARION-1031
• Catalog page reference: 832, 206, 82, 134

Use this product when your parts book, service manual, cylinder repair list, pump/motor breakdown, or existing component calls for MARION-1031. 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 MARION-1031 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.