Description
Every hydraulic system needs proper protection at open ports, and nothing beats a good cap to keep dirt, moisture, and debris out of your lines. Whether you’re storing equipment for the season or protecting unused outlets on your hydraulic manifold, this steel cap threads right onto any 3/8″ female JIC fitting and seals things up tight.
What You’re Getting
- Durable steel construction that won’t crack or break under pressure
- Standard 9/16-18 thread fits all 3/8″ female JIC fittings perfectly
- 11/16″ hex makes installation and removal easy with standard wrenches
- Positive seal prevents contamination and fluid loss
- AgSmart quality means it’ll thread on smooth every time
Built for Real Farm Work
This cap works on any hydraulic system that uses standard JIC fittings – tractors, implements, skid steers, and custom hydraulic setups. It’s especially handy for protecting unused ports on multi-function valves or capping off hydraulic lines when you’re switching between implements. The steel construction handles the pressure and temperature swings that come with farm hydraulics.
Made to Last
Farm hydraulic systems see everything from sub-zero mornings to blazing summer heat, plus all the dirt, moisture, and vibration that comes with field work. This steel cap is built to handle those conditions season after season without cracking or losing its seal.
Good to Know
Always make sure hydraulic pressure is relieved before removing or installing caps. A small dab of anti-seize compound on the threads helps prevent galling and makes removal easier down the road. Keep a few extras in your toolbox – they have a way of getting lost just when you need them most.






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