Description
When you need to cap off an unused hydraulic port or air line, you want something that’ll hold up and keep dirt and moisture out of your system. This galvanized pipe cap threads onto any 1/8 inch female NPT fitting to provide a secure seal that won’t corrode or work loose when your equipment’s bouncing through the field.
Key Features
- Female NPT threads for quick installation on standard 1/8 inch hydraulic and air fittings
- Galvanized coating resists rust and corrosion even in wet field conditions
- Solid construction keeps contaminants out while maintaining system pressure
- Standard thread pitch ensures compatibility with common tractor and implement fittings
- Compact size won’t snag on brush or interfere with nearby components
Built for Real Farm Work
This cap works on any equipment using standard 1/8 inch NPT fittings, including hydraulic systems on tractors, implements, and attachments. You’ll find these connections on pressure gauges, relief valves, auxiliary hydraulic ports, and air brake systems where a secure seal is essential for proper operation.
Made to Last
The galvanized coating provides long-term protection against the elements, while the steel construction handles the pressure and vibration that comes with agricultural work. This isn’t a temporary fix—it’s built to stay in place and keep your systems sealed season after season.
Good to Know
Hand-tighten the cap until snug, then use a wrench to turn it another quarter to half turn for a proper seal. Don’t over-tighten, as this can damage the threads or crack the fitting. A small amount of thread sealant helps ensure a leak-free connection on hydraulic applications.





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