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Mess Stopper™ Universal Hydraulic Oil Line Service Rubber Plugs and Caps Kit, 2 Large, 4 Medium Size, 4 Small, Round

4.6 (22) Write Review
Free shipping on orders over $29.99

$16.89

$ 7 .99 $7.99

In Stock

1.Size:8 Small


About this item

  • Simply push and twist to insert. For unpressurized systems only. No need to keep or search for the right size plug or cap – Mess Stopper fits a wide range of sizes. Operating temperature: -10⁰F to 200⁰F or -23⁰C to 93⁰C.
  • This service plug kit includes 2 large, 4 medium, and 4 small size plugs. Small size fits hole size range: 3/64” to 1/2” or 1mm to 13mm in diameter. Medium size fits hole size range: 5/16” to 1” or 8mm to 26mm in diameter. Large size fits hole size range: 1/2” to 1-1/2” or 12mm to 38mm in diameter. Includes a slider zip bag to keep your Mess Stopper clean during storage.
  • Prevents oil leaks and waste. Keeps equipment and oil clean during servicing. High visibility "Hi-Viz" green/yellow color helps to remind you of the unconnected hoses, ports, and fittings during reassembly. Fits hoses, tubing, pipes, ports, and many types of fittings including JIC 37⁰ flare, 45⁰ flare, push-on, and SAE O-ring. May be cut to desired length with a utility knife or scissors. For industrial, commercial, and DIY use.
  • Mess Stopper is made of oil-resistant NBR rubber and silicone-free. It is resistant to most fluids such as conventional and synthetic lubricating and hydraulic oils, transmission fluids, pure gasoline, diesel fuel, ethylene glycol coolants, and water. It has short-term resistance to ethanol blended fuel and brake fluids. To ensure compatibility, always test the Mess Stopper for fluid resistance by immersing it in the fluid and observing for degradation.
  • U.S. Patent D941,882. Mess Stopper is a U.S. registered trademark of Vibrant Yard Company LLC.


Mess Stopper Hydraulic Oil Service Plugs are most commonly used to prevent oil leaks when servicing equipment and machinery. The plugs also keep your equipment and oil clean during servicing. Its gradual taper allows it to fit a variety of hole sizes so it eliminates the need to keep and store the right size plugs and caps.


First Gear
2025-09-05 11:26:53
Worked great. good size variation and they are robust!! I will be buying more!!
New Jersey girl
2025-09-01 18:16:34
Easy to use and holds well
J. Schweer
2025-08-20 12:22:55
I use these to plug hydraulic and water/ solution hoses. Work better than the black rhino ones. Very high quality and stay put.
Customer
2025-07-13 11:12:07
The mess stopper works great! No shop big or small should be without them.
ba12348
2025-07-01 21:09:57
Had to replace the hydraulic oil cooler on an excavator, one of the medium ones held the entire contents of the reservoir while upside down for 3 days, my only regret is not buying them sooner.
J. Driscoll
2025-06-25 10:50:52
works great when doing hydraulic line work the down fall is a bit pricy, that gets overlooked the first time you use them as long as you have them ready,keeps lines clean.
Dave Masters
2025-06-20 10:38:12
These plugs are quite useful for plugging hydraulic lines or ports while replacing hoses or making repairs, obviously not meant to be under pressure, but they stop gravity bleeding, I’ve used mine quite a bit, and they seem like good quality, should last a long time
Norse
2025-06-07 10:33:44
I need 2 to plug the brakes lines in a tight area. It worked well for my one-off needs and was the only solution I found after an extensive search.
BBM M.
2025-05-23 15:58:23
Very handy for minimizing oil messes when removing lines.
francois lavallee
2025-05-06 11:20:12
tres mauvaise qualité. je dois les gardé quand même car il me charge pour le retour lool
Customer
2025-04-18 16:47:37
Easy to use and effective.
First Gear
2025-04-17 18:58:07
Worked great. good size variation and they are robust!! I will be buying more!!
New Jersey girl
2025-03-09 13:42:00
Easy to use and holds well
J. Schweer
2025-02-19 12:10:04
I use these to plug hydraulic and water/ solution hoses. Work better than the black rhino ones. Very high quality and stay put.
Customer
2025-02-11 17:00:55
The mess stopper works great! No shop big or small should be without them.
ba12348
2025-01-30 16:00:24
Had to replace the hydraulic oil cooler on an excavator, one of the medium ones held the entire contents of the reservoir while upside down for 3 days, my only regret is not buying them sooner.
J. Driscoll
2025-01-17 18:40:12
works great when doing hydraulic line work the down fall is a bit pricy, that gets overlooked the first time you use them as long as you have them ready,keeps lines clean.
Dave Masters
2025-01-06 17:26:13
These plugs are quite useful for plugging hydraulic lines or ports while replacing hoses or making repairs, obviously not meant to be under pressure, but they stop gravity bleeding, I’ve used mine quite a bit, and they seem like good quality, should last a long time
Norse
2024-12-27 11:32:15
I need 2 to plug the brakes lines in a tight area. It worked well for my one-off needs and was the only solution I found after an extensive search.
BBM M.
2024-12-16 18:05:16
Very handy for minimizing oil messes when removing lines.
francois lavallee
2024-12-14 15:02:33
tres mauvaise qualité. je dois les gardé quand même car il me charge pour le retour lool
Customer
2024-11-24 14:33:57
Easy to use and effective.