Hydraulic Oil Service Plugs Kit For Unpressurized Systems Round Plug Set With 2 Large 4 Medium 8 Small Sizes Push And Twist In No Hassle Leak Prevention And Clean Oil Wide Temperature Range -10F To 200F

14-Piece Hydraulic Oil Plugs: 2 Large, 4 Medium, 8 Small
✔️ Push-in twist-in fit for unpressurized systems, -10°F to 200°F

Mess Stopper hydraulic oil service plugs are a 14-piece push-in, twist-in set designed for unpressurized systems. Use during maintenance on equipment to prevent leaks and keep oil clean, with a bright Hi-Viz green/yellow color to aid reassembly.

✅ Small plugs fit 3/64"-1/2" (1-13 mm) hole sizes.
✅ Medium plugs fit 5/16"-1" (8-26 mm) hole sizes.
✅ Large plugs fit 1/2"-1-1/2" (12-38 mm) hole sizes.
✅ Fits JIC 37° flare, 45° flare, push-on, and SAE O-ring fittings.
✅ Oil-resistant NBR rubber, silicone-free; broad fluid compatibility.
✅ Includes a slider storage bag to keep plugs clean during storage.

💡 What is a hydraulic oil service plug kit used for?

It's handy for preventing leaks and keeping oil clean during maintenance across industrial and DIY settings.

- Seals hoses, ports, and fittings in unpressurized systems to prevent leaks.
- Supports JIC 37° flare, 45° flare, push-on, and SAE O-ring fittings.
- Works with conventional and synthetic hydraulic oils for broad compatibility.
- Helps speed reassembly with bright Hi-Viz plugs to mark unconnected lines.