Coarse Thread Cap
Coarse Thread Cap
Coarse Thread Cap

Coarse Thread Cap

Regular price$25.00
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Shipping calculated at checkout.
  • Lifetime Warranty

Cap It Off. Keep It Clean.

Loose openings and messy storage? This is the fix.

The Ai13 Coarse Thread Cap gives you a simple, reliable way to seal your gas cans—so you can cap every container and keep your setup clean and organized.

Important Fitment:

  • Fits most 5-gallon coarse thread gas cans
  • Compatible with Pre-2013 RotoPax, Midwest, Briggs & Stratton, and Scepter
  • Direct replacement for standard coarse thread openings

Built in the USA



Built for Real Use

Instead of leaving containers open or swapping nozzles between jugs, the Coarse Thread Cap lets you seal everything except the one you’re actively using—keeping your setup cleaner and easier to manage.


Why Upgrade

  • Stay organized: Cap unused containers for clean storage
  • Less hassle: No more swapping nozzles between jugs
  • Secure seal: Helps prevent leaks and contamination
  • Built to last: Durable billet aluminum construction

Features

  • CNC-machined from 6061 billet aluminum
  • Designed for most 5-gallon coarse thread gas cans
  • Precision fit for a secure, consistent seal
  • Built for long-term durability
  • Lifetime warranty (excludes seals and gaskets)

Compatibility

Fits many 5-gallon coarse thread cans, including:

  • Pre-2013 RotoPax
  • Midwest
  • Briggs & Stratton

👉 Use the “Take Quiz” tool or contact us to confirm fitment


Important Notes

  • Do not modify your container from its original design
  • Do not remove any flame safety devices

Disclaimer

Briggs & Stratton, and Midwest do not endorse Ai13 products. Ai13 is not affiliated with these brands and assumes no liability for injuries caused by use of Ai13 products. This is not an official replacement component.


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