OS Engines Dust Cap Set 18/16/3mm – 21B/20K/20L

The OS Engines Dust Cap Set is a simple, workshop-friendly accessory designed to help keep dust and debris away from critical components during maintenance, transport and storage. Supplied in 18, 16 and 3 mm sizes, it offers versatile options for tidy sealing across typical RC applications.

As a genuine OS Engines item, this set provides reliable fit and finish, making it a practical addition to any pit box or toolbox. The part number SCH-OS22884250 ensures easy reference when ordering or managing spares. Also referenced as 21B/20K/20L in the product title for ease of identification.

Key Highlights

• Includes 18 mm, 16 mm and 3 mm dust caps
• Genuine OS Engines quality and fit
• Helpful for maintenance, transport and storage
• Compact, practical accessory for RC engine care