DISCLOSURE: TheRuggedRooster.com is reader supported so if you buy any products featured on this site I may earn an affiliate commission. As an Amazon Associate I earn from qualifying purchases. Read my full disclosure here.
When greasing any equipment and vehicle, you will require a grease gun to enhance your task to be less untidy and fast. In the market there are many couplers hence you should be very careful when choosing the best one.
So that your task is made easy, you need to check this guide because we will discuss about the top grease gun couplers, features you need to check, their pros and cons.
Here are the five top grease gun couplers.
LockNLube Grease Gun Coupler Locked onto Zerk Fitting
It is one of the many grease gun couplers that you need to choose if you need to experience an annoying free grease task.
What it is used for
On trucks with equipment: it works excellent when greasing places where fittings are hidden.
Key Specifications
• 1/8-inch NPT.
• Dimensions: 3.45 X 0.63 X 1.66 inches
• Cutting diameter: 0.63 inches.
• Assembled diameter: 0.63 inches.
Key Features
• Lock on, does not leak.
• Compatible with any grease gun.
• It can change to any position and withstand pressure the gun creates.
• Rebuildable: any worn out part can be replaced easily.
PROS
• Worn parts can be replaced no matter your location.
• There is minimal or less untidiness that will occur.
• Your work area is kept clean
• You are not required to grasp it when greasing hence you can pump it with both hands.
Cons
• Hard to fit in tight places
• No customer service on their sites
• You will discovery that it is hard to lower the pump if an error is made during fitting
WHY Include It
The lockNlube grease gun coupler is easy to fit, easy to release and can adjust to any angle.
Lumax LX-1403 grease gun coupler
This type of coupler is shorter with a semi-inch compared to LockNlube coupler.
What it can be used for
• Hand operated grease gun.
• Greasing fittings that are hard to reach in your equipment.
Key Specifications
• 1/8-inch NPT connection
• High quality tool steel
• Burst pressure: 22,000 PSI
• compact: 2.9-inch length X 1.2-inch height
Key Features
• For easy disconnection from fitting, it is built with a non-reoccurrence valve.
• For it to withstand high pressure, it has 4 jaws
• Compatibility: it can accommodate any grease gun types.
• Has an ergonomic thumb lever design
PROS
• Zero leaks.
• Fittings at all angles of 90 degrees, the coupler works excellently.
• Compatible with any grease gun.
Cons
• To grease a Zerk with tight spaces is hard because it has a 5/8-inch end.
WHY Include It
The Lumax Lx-1403 is because of its ability to withstand high pressure.
Azuno Grease Gun Coupler, 2nd Generation
This type of grease gun coupler is simple to use and is among the best in the business because it is built with a thumb lever that fits and releases grease with ease.
What It Can Be Used for
• For greasing fittings that are hard to locate.
Key Specifications
• Brand: Azuno
• Weight: 5.9 ounces
• Dimensions: 3.19 X 1.57 X 0.79 inches.
Key Features
• Retract mechanism: Even at blind spots, you can locate the Zerk
• Compatible with any grease gun types.
• Quality steel.
• Sealing gasket and enforced jaws to enable it to withstand pressure up to 12000 psi.
PROS
• Has a simple working mechanism
• Easy to fit.
Cons
• Unavailability of some of its spare parts.
• Has a wider diameter hence it is difficult to toil on constricted spaces.
WHY Include It
Because of it’s retract mechanism is why it is among the five best grease gun coupler.
LockNlube Grease Gun Coupler XL
This type of grease gun coupler is longer than the normal coupler by 2 inches hence it can swerve longer barrels.
What it can be used for
• Greasing fittings which are deep inside.
Key Specifications
• Max pressure: 10,000 psi
• 1/8 NPT female thread
• Dimensions: 127mm length X 16mm width X 41 mm height.
Key Features
• For easy disconnection from fitting, it is built with a non-return valve.
• You are kept fit by the thumb handle and from the fitting it releases easily.
• Compatible with normal grease guns.
• Easy to replace because of the reconstruct kit
PROS
• Extensively inside a component, it can be greased easily.
• You require to change the worn-out parts hence you are not required to change the whole coupler.
Cons
• it is incompatible with some grease guns.
• It is tough to insert it on close-fitting spaces because of its dimensions.
WHY Include It
The lockNlube grease gun coupler XL is chosen to be among the top five best coupler because of its length.
Push-On 90 Degree Grease Coupler
When using this type of coupler, you are only required to force it into the Zerk hence simple to use.
What it can be used for
• Used to grease tight fittings and where other couplers cannot grease.
Key Specifications
• 1/8-inch NPT connection
• High quality tool steel
• Burst pressure: 22,000 PSI
• compact: 2.9-inch length X 1.2-inch height
Key Features
• Compatible with all type of grease gun.
• No leaks because it fits tightly.
• Adapts not past 90 degrees fittings and grease gun.
PROS
• It is simple to use in close-fitting spaces.
• simple to drive it in grease fitting.
• Compatible with any grease gun.
Cons
• It lacks a handle making it hard to plug it out from the fittings.
• Cannot bear high pressures
WHY Include It
Because of it can be used on troublesome greases fittings and the beast alternative when other couplers have failed.
- LOCKS ON, STAYS ON, WON'T LEAK—LIKE HAVING AN EXTRA HAND! No need to hold the coupler in place while trying to grease your machinery. The LockNLube Grease Coupler locks on tight and lets you use both hands on your grease gun.
- THE ONLY REBUILDABLE LOCKING COUPLER: We include a spare rebuild kit! It's like getting two grease gun tips for the price of one.
- 1/8" NPT COMPATIBLE WITH ALL GREASE GUNS - BATTERY, PNEUMATIC, MANUAL: Whether you are using Grandpa’s old Alemite lever grease gun, or the latest battery or pneumatic grease guns, the LockNLube Grease Coupler can be added to upgrade your grease gun.
- WORKS ON ALL ZERK FITTINGS, SAE & METRIC with a full lineup of adapters to reach any grease fighting on any machine! RATED UP TO 10,000 PSI
- EASY TO USE: Press the thumb lever to open the LockNLube’s patented jaws and attach to the Zerk. Release the thumb lever and the LockNLube locks on tight! Press the thumb lever again to easily release from the Zerk, even under pressure!
- 1.STRONG AND SMOOTH INNOVATION: No more struggling when applying grease. Our Lock n Lube Grease Gun Coupler provides a hands-free, leak-free solution for pressures up to 12,000 PSI, and its unique sliding sleeve technology locks the zerk in place, creating a tight, reliable seal.
- 2.HIGH DURABILITY AND COMPATIBILITY: Our grease gun fittings are made of rugged zinc-plated alloy steel for all-weather performance and are compatible with 1/8" NPT standard grease guns - pneumatic, manual and electric.
- 3.EFFICIENT AND EASY TO USE: Our locking and lubricating grease gun couplings feature a two-handle and 6-jaw design that simplifies operation and can be used with one hand after locking, freeing up both hands to manage the grease gun. Our ergonomic design saves time and effort
- 4.WIDE APPLICATION: This grease gun quick coupling fits all DIN and SAE grease gun fittings. It's perfect for automotive repair, large machinery and bearings, agricultural equipment, and many more applications.
- 5.LONG TERM VALUE: All of our grease gun fittings are made with quality materials and workmanship for easy maintenance and long life, saving you money in the long run. We offer 6 months return and exchange service, if in doubt, please contact us and our after sales team will get back to you within 24.
- ENHANCED LOCKING & SEALING: The LUCKYWAGON grease gun coupler features a reinforced 6-jaw design for quick and secure attachment to grease fittings, ensuring a tight seal without leaks even at pressures up to 10,000 PSI. This tight seal prevents grease spillage, keeping your workspace clean and reducing waste
- ERGONOMIC DUAL-HANDLE DESIGN: LUCKYWAGON grease gun quick release coupler's dual-handle design allows for easy one-handed operation after locking, streamlining the lubrication process by reducing the need for continuous manual adjustments. This ergonomic design can save up to 50% of effort during operation, making it perfect for extended use
- HIGH-QUALITY AND BUILT TO LAST: Crafted from premium alloy steel, LUCKYWAGON grease gun tips are corrosion-resistant and built to withstand tough environments. The high-strength spring adds durability and longevity, making this grease gun tip ideal for heavy-duty applications in automotive and industrial settings
- VERSATILE COMPATIBILITY: Compatible with all 1/8" NPT standard grease guns, LUCKYWAGON grease gun fittings can be used with mini grease guns, pneumatic grease guns, and manual grease guns. It is suitable for a wide range of applications, including automotive repair, industrial machinery, agricultural equipment, and construction projects
- LIFETIME CUSTOMER-CENTRIC SUPPORT: We offer a lifetime no-hassle replacement service for LUCKYWAGON grease coupler. If you encounter any issues, simply contact us, and we'll send you a new one. No complicated repairs, no delays—just a quick and easy replacement process, ensuring your satisfaction
- 【LOCKING AND SEALING】: Grease gun coupler 6 jaw design snaps on and off grease fittings easier, reinforced jaws and quality sealing gasket ensure long lasting and stable performance, does not leak even at 10,000 PSI extreme pressure.
- 【HIGH QUALITY】: Built with premium quality Zinc Coated Alloy Steel for all-day performance in the indoor and outdoor, stable and reliable.
- 【ONE HAND OPERATION】: Double handle with anti-slip design and smooth retraction mechanism allows one-hand operation, easy installation/removal. Once locks onto zerk fitting, it stays on and frees both hands to operate the grease gun.
- 【WIDE APPLICATION】: Compatible with All 1/8" NPT standard, mini, battery, pneumatic, manual Grease Guns and Zerk Fittings, it also fits all DIN and SAE grease fittings, simply replace your existing grease gun couplers.
- 【AFTER-SALE SERVICE】: We provides a one-year warranty, if you have any questions, Please feel free to contact us by email, we will deal with you within 12 hours.
- Double Handle Grease Gun Coupler Lock and Load Ease: Our Grease Gun Coupler makes lubrication a breeze. With its innovative lock-on design and quick-release mechanism, lock on grease tip effortlessly attach and detach onto grease fittings. Say goodbye to messy spills and hello to smooth, hassle-free greasing.
- Grease Gun Coupler Locking Universal Compatibility: Versatility meets performance with our locking grease gun coupler. Whether it's a pneumatic grease gun tool, battery-operated grease gun, or even a heavy-duty pistol grip grease gun, our grease gun lock is compatible with a wide range of grease guns and fittings. No more searching for the right fit - we've got you covered grease gun zerk.
- Grease Gun Couplers Durability Redefined: Built tough for heavy-duty use, our Grease Gun Coupler is engineered to last. Featuring reinforced construction and a sturdy double-handle design,grease tip ensures reliable performance even in the most demanding environments. Get ready to tackle any greasing task with confidence.
- Grease Couplers Precision Lubrication: Say goodbye to guesswork with our Grease Gun Coupler. lock and lube grease gun fittings, grease gun couplings delivers grease exactly where you need it, minimizing waste and maximizing efficiency. Keep your machinery running smoothly with pinpoint accuracy.
- Grease Gun Couplings Client Service : We stand behind our Grease Gun Coupler with prides. If you're not completely satisfied with your lock and lube grease gun fittings，simply reach out to us. Our dedicated team is here to assist you and ensure your greasing experience is nothing short of exceptional.
5 Best Grease Gun Couplers
The above grease gun couplers; lockNlube grease gun coupler, Lumax LX-1403 grease gun coupler, Azuno grease gun coupler 2nd Generation, lockNlube greases gun coupler XL and Push-On 90 Degree Grease Coupler are the top five recommended coupler in the market.
LockNlube grease gun couple is the best of the grease gun couplers because it has rebuildable tool, can withstand 10,000 psi pressure and has quality steel.
Last update on 2025-03-27 / Affiliate links / Images from Amazon Product Advertising API