Top 10 best lock on grease coupler in 2022

We know how difficult it can be to find the best lock on grease coupler with all the different options available on the market. That’s why we’ve compiled a list of the top 10 best lock on grease coupler to make the selection procedure easier for you!

We’ve spent a fair amount of time getting this ready for you to get to the point pretty much easily. No matter you’re a professional or novice, our list would be highly useful for every budget and need.

With that being said, let’s check our ranking below –

Here is our Top 10 Recommendations!

Top 10 best lock on grease coupler in 2022

Bestseller No. 1
LockNLube Grease Gun Coupler locks onto Zerk fittings. Grease goes in, not on the machine. World's best-selling original locking grease coupler. Rated 10,000 PSI. Long-lasting rebuildable tool.
  • Locks on, does not leak
  • 1/8" NPT compatible with all grease guns - battery, pneumatic, manual
  • Grease goes in, not on, the machine
  • World's original locking grease coupler.
  • World's only rebuildable grease coupler. Lowest lifetime cost.
SaleBestseller No. 2
LockNLube Heavy Duty Pistol-Grip Grease Gun. Includes our patented LockNLube® Grease Coupler (locks on, stays on, won't leak!) plus a high-quality 20" hose and in-line hose swivel.
  • LockNLube Grease Coupler Locks on, stays on. Doesn't leak.
  • Loop & Lock storage feature keep you clean.
  • 20" Heavy Duty Hose and in-line hose swivel.
  • Rubber grip and ergonomic handle
  • LockNLube Rebuild Kit. Easily replace the seal and jaws, not the coupler.
SaleBestseller No. 3
Push-on Slotted Right Angle 90 Degree Grease Coupler
  • Alow-profile 90 adaptor for hard-to-reach grease fittings Creates a leak-free seal with your LockNLube Grease Coupler Easily connects to all jaw-type couplers No need to keep different couplers on different grease guns
  • Simply use an adaptor for troublesome grease fittings
SaleBestseller No. 4
Grease Gun Coupler,Double Handle Grease Gun Tips Heavy Duty 10,000 PSI, Quick Lock-on and Release for All Grease Guns Fittings
  • 【Double Handle】Easier to operate and the pipe will not bend.
  • 【Robust Build Quality】 Built with premium quality Zinc Coated Alloy Steelfor for all-day performance in the shop or garage, stronger than other grease couplers on the market.
  • 【Lock and Seal up to 10,000 PSI】Reinforced jaws and quality sealing gasket ensure long lasting and stable performance, prevent leakage even at 10,000 PSI extreme pressure.
  • 【Grease goes in, not on the machine】 No more wasted grease mess everywhere. Increases utilization and saves you money.
  • 【Compatible with All Grease Guns and Fittings】1/8 NPT fits all standard grease guns, mini grease guns. It also fits all DIN and SAE grease fittings, simply replace your existing grease gun couplers and gun couplers and Fittings.
Bestseller No. 5
Univer-co UC2121 Lock on grease coupler small barrel
  • Life time warranty
  • Small Diamerter
  • No seal to replace
  • Allows both hands for grease gun operation
  • Dripless
SaleBestseller No. 6
Wilmar Performance Tool - Lock On Grease Coupler (W54228), Lubrication - Grease Gun Accessories
  • Wilmar Corporation was founded in 1971. Based in Renton Washington, Wilmar supplies major retailers as well as distributors throughout North America. By providing quality tools, great service, and innovative packaging and product support, Wilmar has become one of the leading distributors of professional tools in North America. Trading under the brand names of AirTIGHTTM, Performance ToolTM, Performance TechTM, MechanicsTM, Project ProTM and Northwest TrailTM, Wilmar focuses on providing a superior level of service and quality products that meet our customers expectations of product that carries our - of Satisfaction.
  • Proven and Tested for durabilty and function in real world conditions
  • Leading manufacturer of high-quality products
  • Made to withstand the most challenging jobs
  • All our products have been designed with the user in mind
SaleBestseller No. 7
Univer-Co 189-UC2121 Universal Lock-On Grease Gun Coupler
  • Replacement for/interchangable with: UC3102, 189-UC2118, 189-UC2121
  • Packaging may vary
  • Easy Lock On and Release;
  • No Drip10,000 Max PSI Rating
  • Easy to use in small spaces; Quick and simple connection
SaleBestseller No. 8
LockNLube Easy-Prime Pistol-Grip Grease Gun. Includes Our Patented Grease Coupler (Locks on, Stays on, Won't Leak!) Plus a 20" Hose and in-line Hose Swivel.
  • Easy Priming: Unique plastic follower and vacuum suction means easy priming every time
  • Lightweight: No follower plate or follower rod needed makes the gun lighter and more compact than anything on the market
  • Dual Delivery Mode: Toggle for high pressure (5,000 psi max) or high volume delivery (27 strokes/ounce.)
  • No Leaks: Reusable plastic follower means no dripping grease. LockNLube coupler means no leaks from the top.
  • Storage: Features Loop & Lock storage design
Bestseller No. 9
Macnaught KY Plus Locking Safety Grease Coupler - Smallest Diameter Bore on Market - 2 Year Warranty…
  • Macnaught’s Patented Release Mechanism Delivers Enhanced Safety and is Both Easier and Faster To Use. The KY+ Retains the Benefit of the Original Floating Jaw Design, Providing a Strong, Leak-Free Connection while Improving Safety and Usability -- Two year warranty!
  • Locks On Tight and Self Assists Off the Fitting.
  • True One-Handed Design – Easy to Use.
  • Compact Barrel Diameter – Smallest diameter on the market today.
  • Internal pressure relief reduces the risk of high-pressure grease release at 10,000 PSI.
Bestseller No. 10
LockNLube Professional Series Lever Grease Gun. Includes Our Patented Grease Coupler (Locks on, Stays on, Won't Leak!) Plus a 20" Hose and in-line Hose Swivel.
  • Pressure return system allows for clean and easy disconnect from clogged fittings
  • Combo air bleeder valve and Loop & Lock Storage Zerk means clean and easy storage.
  • The Original Patented LocknLube Grease Coupler
  • Locking tab on follower rod prevents it from sliding down when not in use
Bestseller No. 11
LockNLube Easy-Prime Lever Grease Gun. Includes Our Patented Grease Coupler (Locks on, Stays on, Won't Leak!) Plus a 20" Hose and in-line Hose Swivel.
  • Easy Priming: Unique plastic follower and vacuum suction means easy priming every time
  • High pressure: 10,000 PSI max. Pressure remains constant up to 40,000 priming cycles
  • No Leaks: Reusable plastic follower means no dripping grease. LockNLube coupler means no leaks from the top.
  • Storage: Features Loop & Lock storage design
  • Lightweight: No follower plate or follower rod needed makes the gun lighter and more compact than anything on the market
Bestseller No. 12
Grease Gun Coupler Locks on Like Air Chuck Fit SAE & Metric Zerk Fitting 1/8"
Bestseller No. 13
GEKUPEM Grease Gun Coupler Grease Gun Adapter Hose Kit,Gun Lock Grease Coupler ​Quick Release Lock On Coupling End with Flexible Hose for Manual Grease Injection Device Accessories
  • 100% brand new and high quality
  • Double handle design, free your hands to the maximum.
  • The jaw uses the 65Mn High Strengthening Material, high strength, longer service life.
  • All accessories in this kit are very useful, no waste, can save money.
  • The practical packaging box is easy to carry, hang and store. Very convenient.
Bestseller No. 14
Grease Gun Coupler Lock Quick Release Heavy-Duty On Coupling End 1/8" BSP Workshop Farm
  • Standard 1/8 inch NPT fittings so it fits most grease guns-powered, pneumatic or manual.
  • You have a little lever here that you pull back and these jaws come out grab the zerk then they hang on so this is not going to fall off. Ensure the grease goes into the machine, no splashing and leaking anymore.
  • You just press on the thumb lever allowing you to install or remove the locking grease coupler on a grease gun very quickly. Made it a lot more clean and it saves you the frustration of wiping up a gob ugly of greasing or having it all over your hands.
  • The threads would screw right on the end of your grease hose so when you remove your grease coupler that’s going to thread right on replacing it and this side is where it hook right onto the zerk fitting.
  • Grease Gun Coupler Series is a game changing, patented lock-on grease gun coupler that solves all your greasing problems simply and elegantly.
Bestseller No. 15
Mission Automotive 4oz Trailer Hitch Ball Lubricant - Grease to Reduce Friction and Wear on Tow Hitch Mount Balls, King Pins, Hitch Locks, etc. - Waterproof Lube Made in The USA
  • Extend Hitch Ball And Coupler Life -- Protect hitch-balls and receivers from corrosion with this high-film strength and waterproof grease. Formulated to stay where you apply it, this lubricant helps reduce friction, wear, rust, water corrosion and noise.
  • Multiple Application Use -- Compatible with any variety of trailer applications such as: receiver hitches, ball mounts and hitch balls, locks, couplers, jacks, winches and other towing accessories.
  • Non-Staining Grease -- This hitch ball lubricant is clear and easy to apply. Say goodbye to white and black grease stains. This multi-use, non-melting, waterproof grease is fortified with PTFE, the ultimate in nonstick technology.
  • Universal Carrier Use -- Works with all hitches and ball mounts from a wide variety of companies including Reese, CURT, Anderson Hitches, Rugged Ridge, B&W, Draw-Tite, MaxxHaul, Connor, Weigh Safe, Ram Mount and more.
  • High Quality Lubricant Made in the USA -- This non-toxic, non-running, high-quality grease is proudly made in a facility you can trust here in the USA.

How to Choose the best lock on grease coupler

So there’re many different brands of shower caulks, each has an own set of features. That’s why it can be confusing trying to figure out which one is the best for your needs. However, we have put together a few key pointers that will help to make a wise purchase –


Brand value isn’t always a deciding factor. Sometimes, products with famous names are expensive without offering better service. In these cases, you may be able to find a cheaper option that performs just as well. However, if you’re investing in an expensive product that needs a guarantee and authentication, we suggest you go with a trusted brand. That means you’ll have to cross-check the facts.


The quality of the instruments used in a product will have a direct impact on how long it lasts. Choose wisely and pick something that is built to last and will not require constant maintenance. No one wants to waste their time on a product that is not going to last. Make sure the product you choose is quality controlled and will last a long time.


When looking for a product, it’s important to consider the features you need. Once you have found the right product, you should go over to all its key benefits to understand the product well. Buying the right product is more important than buying a high-quality product that doesn’t really come useful.


It’s usually a good idea to go with well-known brands when looking for high quality best lock on grease coupler. However, there are also some emerging companies that make great industry leading products. If you’re short on time, our suggestions would be to stick with brands that you know are reliable.


When it comes to finding best lock on grease coupler, it is important to remember that price is not the only factor to consider. The time, effort, and money you invest should also take into account. With that said, you should always cross-check price and features together to find the best option that meets your budget.

Ease of Use

When choosing best lock on grease coupler, it’s also important to know how user-friendly it is! Beginners are always advised to pick a product that is easy to use. Technical products often require some knowledge of technology, while non-technical products may need some specific tactics for application or usage. So, always try to choose a product that is simple to use and makes your life easier!


You shouldn’t really worry about the performance of highly rated products since they’ll, in most cases do a good job. However, the best way to learn about the performance of a particular item is to read other users’ feedback. Alternatively, you can match the features to see if it will address your specific pain point.


After reading our buying guide, you will get the answers for the following questions:

  • Is it essential for me to invest in a best lock on grease coupler ?
  • What are the benefits of a best lock on grease coupler?
  • What kinds of drawbacks are common to have best lock on grease coupler?
  • What features to look for in a particular product best lock on grease coupler?
  • What brands are well-known for manufacturing the product?
  • Are the other consumers satisfied with the same product?
  • How much should I spend at maximum?
  • Conclusion

    We hope our guide on the top 10 best lock on grease coupler has helped you find what you needed. We’ve tried to make our list as valuable as we can with variety of products for every budget and need. So, whether you’re looking for a high-quality product that’s easy to use or a product that offers great value, our list has got you covered.

    Rest assured, we’ve tried our best to carefully choose the best seller items that are highly rated by existing consumers. However, we also recommend that you look for the right features and cross-check with price and ease of use.

    At the end, if you get into any trouble, feel free to comment below. We’ll get back to you ASAP and try to help you.

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