10K GD Aluminum Oil Cap Valcrum ST-350

$39.89
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Valcrum ST-350 10K GD 3.5" Aluminum Oil Cap

Replacement for the plastic 21-88 cap. 

The Valcrum ST-350 is a heavy-duty oil cap designed for 10K General Duty (GD) trailer axle applications. Its durable construction provides a reliable replacement or upgrade for standard hub oil caps in demanding commercial and heavy-duty trailer service.

Key Features

  • Valcrum Part Number: ST-350
  • Application: 10K General Duty (GD) axles
  • Heavy-duty aluminum construction
  • Designed for oil-lubricated hub systems
  • Helps protect wheel bearings and hub components from dirt, moisture, and contaminants
  • Durable design for demanding trailer applications
  • Ideal for hub service, rebuilds, and oil-cap replacement

Common Applications

  • 10K GD trailer axles
  • Heavy-duty equipment trailers
  • Dump trailers
  • Commercial and industrial trailers

Important: Verify your hub and axle configuration before ordering to ensure proper fitment.