Case 521D Loader Lift Cylinder Seal Kit

Cylinder Rebuild/Repair Seal Kit for Case Model 521D Wheel Loaders

Please Choose the Option that Matches your Machine

• 2-1/4" x 4" Seal Kit
  • All Models
  • All Serial Numbers
  • Cylinder #: 337568A1, 87366683, 87366685, 87405367, 87317750
  • Rod: 2-1/4" 
  • Bore: 4"
• 2-1/2" x 4-1/2" Seal Kit
  • Fits Z-Bar and XR models
  • Serial #: JEE0135501 - Up
    
  • Cylinder #: 87405374
  • Rod: 2-1/2" 
  • Bore: 4-1/2"