John Deere 4633389 Wear Ring

John Deere 4633389 Wear 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 JD-4633389. Catalog description: RB-STL/PTF-70x75x35.

Product Details

• Hercules part number: JD-4633389
• Product type: Hydraulic cylinder wear or bearing component
• Reference brand/application: John Deere
• Approximate weight: 0.344 lb
• Catalog data source: 2026 US Mobile Kit Catalog

Catalog Application Data

• Equipment type: Excavators; Excavators - Compact
• Model or series reference: 650/1
• Catalog page reference: 756, 757, 776, 777, 778

Use this product when your parts book, service manual, cylinder repair list, pump/motor breakdown, or existing component calls for JD-4633389. 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 JD-4633389 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.