Grease guns are an essential tool for lubricating machinery. But without the right coupler, they can be difficult to use. The best grease gun couplers offer superior performance and convenience, allowing users to quickly and easily attach their grease guns to tough-to-reach fittings. They are often made of durable materials such as brass or stainless steel, making them highly resistant to corrosion and wear. With the right coupler, you can get your job done faster and more efficiently than ever before.
Why Best Grease Gun Coupler Is Necessary?
Best grease gun couplers are necessary for efficient and effective lubrication of machinery and equipment. Grease gun couplers enable the operator to easily connect the grease gun to the lubrication point, ensuring that the correct amount of grease is applied. The best grease gun coupler ensures a secure connection between the grease gun and the lubrication point, preventing any leakage or dripping of excess grease. Additionally, best grease gun couplers are designed to last longer than traditional couplers, reducing maintenance costs over time.
Comperision Chart for best grease gun coupler
Recommended Product Briefs on best grease gun coupler Are Listed Below
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.
LockNLube Grease Gun Coupler XL – Extra reach for recessed grease fittings
Saker Grease Gun Coupler-Upgrade to 14000 PSI,Duty Quick Release Grease Couplers,Compatible with All Grease Guns 1/8″ NPT Fittings (2 PCS)
LockNLube Grease Gun Coupler locks onto Zerk fittings. Grease goes in not on the machine. Worlds best-selling original locking grease coupler. Rated 10,000 PSI. Long-lasting rebuildable tool.

The LockNLube Grease Gun Coupler is the world’s best-selling original locking grease coupler that locks onto Zerk fittings and ensures that grease goes in, not on the machine. This coupler is rated to 10,000 PSI (690 Bar) and is designed to last long with its rebuildable feature. It is compatible with all grease guns and manufacturers, be it pneumatic, manual or electric. With this coupler, you can end all your greasing frustration as it will stay attached even under pressure and no hands are required to align it.
Why We Like This
Locks On, Does Not Leak: Grease goes in, not on the machine. LockNLubes unique sliding sleeve ensures that when the jaws are locked onto the Zerk, a leak-proof seal is created.
Rebuildable Coupler: All LockNLube couplers come with a rebuild kit so you can easily replace its seal and jaws for long-term use.
Compatible With All Grease Guns And Zerk Fittings: The 1/8″ NPT works with all grease guns and manufacturers pneumatic, manual, or electric and will lock onto any Metric or SAE specification Zerks.
Best Built Guarantee: If you arent satisfied with anything you buy from LockNLube, send it back within a year for a full refund – no strings attached.
Hands Free, Leak Free Greasing: The LockNLube Grease Coupler will not release under pressure so you don’t have to worry about manually aligning it or keeping it attached.
Common Questions & Answers
Q: Is this product compatible with all types of grease guns?
A: Yes! This product works with all types of grease guns – pneumatic, manual or electric – as well as all Metric and SAE specification Zerks.
Q: Is there a warranty?
A: Yes! If you arent satisfied with anything you buy from LockNLube within a year of purchase, send it back for a full refund – no strings attached.
Q: Does this product create a leak-proof seal?
A: Yes! The unique sliding sleeve ensures that when the jaws are locked onto the Zerk fitting, a leak-proof seal is created so that grease goes in instead of on your machine.
Additional Product Information
Length | 3.45 |
Weight | 0.28125 |
Width | 0.63 |
LockNLube Grease Gun Coupler XL – Extra reach for recessed grease fittings

We recently had the chance to test out the LockNLube Grease Gun Coupler XL and were quite impressed with its features and performance. This coupler is designed to help make your grease gun more efficient, allowing you to reach recessed grease fittings with ease. The coupler is rated to 10,000 PSI, locks on securely and stays on without leaking, and fits all standard grease guns. It also has over 3.5″ of reach, great for hard-to-reach places like shielded PTO shafts and U Joints. The coupler also comes with a rebuild kit so you can easily replace the seal and jaws without having to replace the whole unit.
Why We Like This
Rated to 10,000 PSI – The LockNLube Grease Gun Coupler XL is rated for up to 10,000 PSI, ensuring that it can handle even the toughest jobs.
Locks on securely – The coupler locks on securely and does not pop off under pressure. It’s also easy to release from fittings with the thumb lever even at extreme pressure.
Fits all standard grease guns – This coupler fits all SAE and Metric Zerk fittings so you don’t have to worry about buying a new one if you switch brands or models of grease guns.
Over 3.5″ of reach – With over 3.5″ of reach, this coupler is perfect for those hard-to-reach places like shielded PTO shafts and U Joints.
Includes rebuild kit – When it’s time to rebuild your coupler, you don’t have to buy an entirely new unit just use the included rebuild kit!
Common Questions & Answers
1) Will this fit my existing grease gun?
Yes, this coupler fits all standard 1/8 NPT fitting grease guns so it should fit your existing one just fine!
2) Is this good for recessed fittings?
Yes! With its extra reach of over 3.5″, this coupler is great for reaching recessed fittings like shielded PTO shafts or U Joints that are hard to get at otherwise.
3) Does it come with a rebuild kit?
Yes when it’s time for a rebuild, simply use the included rebuild kit instead of buying an entirely new unit!
Additional Product Information
Length | 5.5 |
Weight | 0.5625 |
Width | 0.97 |
Saker Grease Gun Coupler-Upgrade to 14000 PSIDuty Quick Release Grease Couplers,Compatible with All Grease Guns 1-8 NPT Fittings (2 PCS)

The Saker Grease Gun Coupler is an upgrade to 14000 PSI, with a quick release mechanism and compatibility with all grease guns. It is perfect for use in the shop, garage or on a construction job site and comes with a unique US patent. The coupler is made of zinc coated alloy steel, making it heavier and stronger than other products on the market. It also has a one-hand operation, which allows you to free your hands while greasing. The design of the coupler makes it easier to locate the zerk fittings at blind spots, so you dont have to worry about missing them.
The coupler fits all 1/8 NPT standard grease guns, mini grease guns and DIN/SAE grease fittings, so you can easily replace your existing one if needed. It has a smooth retraction mechanism for easy use and prevents leakage even at high pressure levels. This heavy-duty tool is great for large machinery as well as for farm equipment including tractors, plows, stump pullers, disc harrows, seeders etc.
Why We Like This
Reinforced jaws and quality sealing gasket ensures long lasting performance
Robust build quality made of zinc coated alloy steel
One hand operation allows you to free your hands while greasing
Unique design makes it easier to locate zerk fittings at difficult angles
Wide application fits all 1/8 NPT standard grease guns
Common Questions & Answers
Q: What is the diameter of this coupler?
A: The diameter of our grease gun joint is 18mm. For cases where the diameter of the joint is less than 18mm we do not recommend applying it.
Q: Does this product fit all DIN and SAE grease fittings?
A: Yes! The Saker portable grease gun coupler fits all DIN and SAE grease fittings.
Q: What type of machinery can this be used on?
A: This product can be used on large machinery as well as farm equipment including tractors, plows, stump pullers, disc harrows and seeders etc.
Additional Product Information
Benefits of Best Grease Gun Coupler
1. Durable and Reliable: The best grease gun coupler is made from high-quality materials that make it strong and durable, ensuring a reliable performance over time.
2. Easy to Use: These couplers are designed to be user-friendly, making them easy to attach and remove from the grease gun.
3. Versatility: The best grease gun couplers are compatible with a wide range of grease guns and can be used on different types of machinery.
4. Cost Efficiency: A good grease gun coupler will save you money by keeping your equipment running longer and more efficiently.
5. Safety: Grease gun couplers help to prevent injuries or damage by providing a secure connection between the grease gun and the machinery it is being used on.
Buying Guide for best grease gun coupler
Factors to Consider
When purchasing a grease gun coupler, there are several factors that should be taken into consideration in order to ensure the most efficient and reliable product. These include:
Compatibility: The grease gun coupler must be compatible with the type of grease gun you are using. It is important to check compatibility before making a purchase to ensure that the coupler will fit securely and properly.
Size and Fit: The size of the grease gun coupler should match the size of the nozzle on your grease gun. If it is too large or too small, it may not be able to properly connect to the nozzle, resulting in an inefficient application of lubricant.
Durability: Grease gun couplers are exposed to a lot of wear and tear due to their frequent use. Therefore, it is important to choose a product that is made from a durable material that can withstand wear and tear over time.
Ease of Use: A good grease gun coupler should be easy to attach and detach from the grease gun nozzle without too much effort. Some models feature a thumb lever for quick release, which makes attaching and detaching much easier.
Types of Grease Gun Couplers
There are several types of grease gun couplers available on the market today, each with its own unique features and benefits. These include:
Standard Couplers: These are typically made from metal or plastic and feature an easy-to-use design that allows for quick attachment and detachment from the nozzle. They come in different sizes to accommodate different sized nozzles on various types of grease guns.
Lever Couplers: These feature a lever handle at one end which makes them very easy to attach and detach from the nozzle without having to use any tools. They also come in different sizes so they can fit different sized nozzles on various types of grease guns.
Push-on Couplers: These couplers feature an easy-to-use design which allows them to be quickly attached by simply pushing them onto the nozzle with one hand without any tools or screws needed for installation. They come in different sizes as well so they can fit different sized nozzles on various types of grease guns.
Price
Price is another factor that needs to be taken into consideration when purchasing a grease gun coupler as there are models available at various price points depending on their type, size, material, durability etc. It is important to compare prices before making a purchase in order to get the best value for money possible.
The best grease gun coupler for your needs is one that fits your specific grease gun and provides a secure connection with no leaks. It should be made of durable material, such as steel or aluminum, and be easy to operate. The coupler should also be compatible with the type of grease being used. By taking all of these factors into consideration, you can find the perfect grease gun coupler for your unique needs.