LockNLube® Grease Coupler Rebuild Kit
SKU: GC81012
Easily replace the seal and steel jaws on your LockNLube® Grease Coupler.
Each Rebuild Kit includes four hardened steel jaws and a threaded cone housing the rubber seal. Works with either the standard or XL LockNLube® Grease Coupler.
Available individually or save 17% with a 3-pack!
LockNLube® Grease Coupler Care & Maintenance:
Check out our YouTube channel for an easy method to clean dirt and grit out of your coupler. This will extend the life of the seal, which means longer use time between rebuilds. If you find your coupler starting to leak, try this cost-saving tip before you put a rebuild kit in it.
Consider using a Coupler Cap and Zerk Fitting Caps to keep your equipment clean.
Free U.S Shipping on Order $25+
LockNLube® Grease Coupler Rebuild Kit
See how easy it is to replace the seal and steel jaws on your LockNLube® Grease Coupler
STEP-BY-STEP INSTRUCTIONS FOR CHANGING THE SEAL ON YOUR LOCKNLUBE® GREASE COUPLER
STEP 1 – SQUEEZE THE LEVER TO DETERMINE WHERE TO ATTACHED THE VISE OR VISE-GRIP PLIERS
When squeezing the lever, see the portion of the flat steel exposed at the base of the coupler. This is where you will attach your vise or vise-grip pliers.
STEP 2 – ATTACH THE VISE OR VISE-GRIP PLIERS TO THE LOCKNLUBE® GREASE COUPLER
The vise, or pliers, will only have a small piece of the coupler to attach to, so don’t be afraid to crank down on them and get a tight grip. When depressing the lever, you can see that the steel jaws of the seal kit are exposed and ready to be replaced.
STEP 3A – REMOVE OLD SEAL KIT
Using a pair of vise-grip pliers, get a very firm grip on the steel jaws of the seal kit. Because the jaws will be greasy and may rotate, you’ll need to really squeeze them. Don’t worry about damaging the jaws or the interior cone with your wrench, as these will all be replaced in a moment. Once you have loosened the interior cone by rotating the pliers counterclockwise, you can remove the pliers and continue to twist with your fingers.
STEP 3B – REMOVE OLD SEAL KIT
After loosening the inner cone you can remove the seal kit by hand by continuing to pinch and twist the steel jaws until they can be removed.
STEP 4 – ASSEMBLE THE NEW SEAL KIT
The steel jaws have one edge larger than the other, this is the edge that should go at the top (large end) of the cone. Placing a small amount of grease on the inner cone first can help to ensure that the jaws stick and don’t fall out before being placed in the LockNLube® Grease Coupler.
STEP 5 – INSERT THE NEW SEAL KIT
Holding the four steel jaws in place, put the new seal kit into the LockNLube® Grease Coupler. Once inserted, then can be twisted by hand until the jaws start to slip on the inner cone.
STEP 6 – TIGHTEN THE NEW SEAL KIT USING VISE-GRIP PLIERS
You should loosen your pliers before gripping the new seal kit. Unlike the removal process, you should be able to tighten the new seal kit without applying too much pressure. Once the inner cone feels snug, you are ready to use your LockNLube® Grease Coupler again.
See how easy it is to replace the seal and steel jaws on your LockNLube® Grease Coupler
STEP-BY-STEP INSTRUCTIONS FOR CHANGING THE SEAL ON YOUR LOCKNLUBE® GREASE COUPLER
STEP 1 – SQUEEZE THE LEVER TO DETERMINE WHERE TO ATTACHED THE VISE OR VISE-GRIP PLIERS
When squeezing the lever, see the portion of the flat steel exposed at the base of the coupler. This is where you will attach your vise or vise-grip pliers.
STEP 2 – ATTACH THE VISE OR VISE-GRIP PLIERS TO THE LOCKNLUBE® GREASE COUPLER
The vise, or pliers, will only have a small piece of the coupler to attach to, so don’t be afraid to crank down on them and get a tight grip. When depressing the lever, you can see that the steel jaws of the seal kit are exposed and ready to be replaced.
STEP 3A – REMOVE OLD SEAL KIT
Using a pair of vise-grip pliers, get a very firm grip on the steel jaws of the seal kit. Because the jaws will be greasy and may rotate, you’ll need to really squeeze them. Don’t worry about damaging the jaws or the interior cone with your wrench, as these will all be replaced in a moment. Once you have loosened the interior cone by rotating the pliers counterclockwise, you can remove the pliers and continue to twist with your fingers.
STEP 3B – REMOVE OLD SEAL KIT
After loosening the inner cone you can remove the seal kit by hand by continuing to pinch and twist the steel jaws until they can be removed.
STEP 4 – ASSEMBLE THE NEW SEAL KIT
The steel jaws have one edge larger than the other, this is the edge that should go at the top (large end) of the cone. Placing a small amount of grease on the inner cone first can help to ensure that the jaws stick and don’t fall out before being placed in the LockNLube® Grease Coupler.
STEP 5 – INSERT THE NEW SEAL KIT
Holding the four steel jaws in place, put the new seal kit into the LockNLube® Grease Coupler. Once inserted, then can be twisted by hand until the jaws start to slip on the inner cone.
STEP 6 – TIGHTEN THE NEW SEAL KIT USING VISE-GRIP PLIERS
You should loosen your pliers before gripping the new seal kit. Unlike the removal process, you should be able to tighten the new seal kit without applying too much pressure. Once the inner cone feels snug, you are ready to use your LockNLube® Grease Coupler again.
- Shipping options are available at checkout
- All of our orders ship out of either our Illinois or New Hampshire warehouse within 3 business days.
- Shipping carrier varies by size and weight of the package.
- LockNLube's shipping department operates Monday through Friday, 8 am to 2 pm EST except for holidays.
- Reviews
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CanadaNew grease gun purchase.
Ordered new grease gun online: gun arrived, but no rebuild kit included in the packaging. Contacted your help line and nice lady explained why, and promptly sent me a rebuild kit.
United StatesRebuild kit
Haven't had to utilize the rebuild kit as of yet. But, I'm confident it'll be top notch. Thank you for sending it promptly.
United StatesWorks great unless its high pressure applications
Love the LockNLube coupler, and their other adapters, and it works fantastic on zerks that take grease freely. However, when we use it on zerks that resist or are plugged, our battery powered grease guns end up blowing the inner seal and it just makes a mess then you have to chance it out again. Regular applications it will last a long time but on the farm they don't seem to last as long when we constantly use them. It took me two rebuild kits to get thru our air seeder in one evening. Gets costly when having to put new kits in regularly.
United StatesLock N Lube ROCKS!
Hesitant to spend so much for something like a utilitarian grease gun. But this superior locking connector is amazing! The lever action grease gun package was suppose to have a rebuild kit for the lock fitting included, but was omitted. Contacted customer support and they sent me 2! Not that I’ll need them any time soon because this tool is significantly robust. Thanks LockNLube!
United StatesGreat company and customer
We had a little problem with something being lost, but they quickly remedied it and took care of the problem immediately. Very kind and gracious. I highly recommend doing business with them.