5 Best Grease Gun Coupler

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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.

• 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.

• 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

• Zero leaks.
• Fittings at all angles of 90 degrees, the coupler works excellently.
• Compatible with any grease gun.

• 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.

• Has a simple working mechanism
• Easy to fit.

• 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

• 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.

• 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.

• It is simple to use in close-fitting spaces.
• simple to drive it in grease fitting.
• Compatible with any grease gun.

• 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.

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: Grease goes in, not on the machine. LockNLube’s unique sliding sleeve ensures that when the jaws are locked onto the Zerk, a leak-proof seal is created.
  • RATED TO 10,00 PSI. No matter what grease gun you use, the LockNLube Grease Coupler will not leak or pop off at any pressure up to 10,000 PSI. Easily releases with the thumb lever. No more fighting and twisting to disconnect.
  • ONLY REBUILDABLE COUPLER: All LockNLube couplers include a rebuild kit! Simply replace the seal and jaws and it is as good as new = lowest lifetime cost.
  • COMPATIBLE WITH ALL GREASE GUNS AND GREASE FITTINGS: 1/8" NPT works with all grease guns and manufacturers – pneumatic, manual, or electric. Locks on to all Metric and SAE specification Zerk fittings.
  • HANDS FREE, LEAK FREE GREASING: The LockNLube Grease Coupler is rated to 10,000 PSI (690 Bar) and will not release under pressure. No hands are needed to align the coupler or keep it attached. End greasing frustration.
SaleBestseller No. 2
MYPROKIT Grease Gun Coupler, Quick Release Double Handles Grease Gun Tip with 6 Thickened Jaws, 12000 PSI High Pressure Grease Fittings, Compatible with All Grease Guns 1/8" NPT Fittings
  • 【Effectively Dispense Grease】A suitable grease gun coupler will help you end greasing frustration and improve machine life and uptime by making greasing easier.
  • 【Leak-Free Grease Gun】Grease gun tip with 6 hardened spring steel jaws prevents leakage even at extreme pressure levels of 12,000 PSI. Granatiland
  • 【Compact Barrel Diameter】Grease fittings with 14mm compact barrel diameter are more easier to insert into tight spaces. Easily release from fittings with the thumb lever.
  • 【Simple operation】Grease coupler is designed to connect with the grease fitting by pressing levers to expose and slightly open the jaws of the coupling for a quick connection of easy-to-reach couplings. Mathhotlax afkamzon
  • 【Wide Application】1/8" NPT compatible with all grease guns - battery, pneumatic, manual. It can be used in automotive shops, tractors, and construction sites for lubrication and also great for excavators,bulldozers on construction sites,large equipment in factories,tractors etc.
SaleBestseller No. 3
AKEOIL Grease Gun Coupler, Grease Joint Fittings, 12000PSI High Pressure Grease Nozzle Fittings, Compatible With All 1/8" NPT Grease Guns, For greasing all machinery and equipment filling
  • 【PROFESSIONAL DESIGN】Double handle symmetrical design, saving time and effort in the process of use, while the 6-claw coupler design is easier to close and buckle the grease nozzle, tighter, no oil leakage.
  • 【 HIGH SERENGTH SERVICE LIFE 】Using high quality carbon steel material, surface galvanized treatment, play the role of corrosion and rust prevention, high strength spring to make the work life longer, durable, to achieve the long-term use effect
  • 【 WIDE RANGE OF APPLICATION 】 Butter gun is suitable for automobile, mechanical equipment maintenance, farm axle and transmission system, truck, industrial equipment maintenance and other hard-to-reach grease parts, also suitable for most manual grease guns, the maximum working pressure of 12000PSI
  • 【SIMPLE OPERATION】The fat gun coupler has a smooth and powerful 3 jaw locking function, one hand operation, lubrication without need to hold, after locking can liberate your hands, save time and effort, is a good helper for your work
  • 【AFTER-SALES AND COMMITMENT 】to provide users with quality products is our pursuit, you have any questions in the process of use please timely communicate with us, our service team will reply to you within 24 hours, give you a satisfactory answer, I wish you a happy shopping
SaleBestseller No. 4
AORRZER Grease Gun Coupler, Strong Lock on Greases Gun Couplers, 12000 PSI Quick Release Grease Coupler with 12" Spring Flex Hose, Compatible with All Grease Guns 1/8" NPT Grease Gun Fitting(1 PCS)
  • 【Upgrade grease coupler】AORRZER grease gun coupler with 12 Inch Spring Flex Hose,Upgrade-strong 6-jaw coupler, grease gun coupler reinforced jaws and quality sealing gasket ensure long lasting and stable performance tighter and no oil leakage,Use testing: Leak prevention even when tested at extreme pressures of 12,000 PSI or higher.
  • 【High quality and sturdy】The grease gun coupler is made of upgraded material alloy steel, optimizing the thickness of the steel and upgrading the 6-jaw bite lock on the original basis, quality steel, quality design principle, Wear-resistant and durable Long life span, Lowest lifetime cost, believe me, this will be your best choice!!
  • 【Simple operation】Grease gun coupler with smooth strong 6-jaw bite lock on function allows one-handed operation, no need to hold when lubricating, after locking the grease gun coupler, you can free your hands to operate the grease gun.
  • 【Wide application】grease gun coupler fits all 1/8" NPT standard grease gun, Pneumatic Grease Gun, manual grease gun, electric grease gun, also suitable for all DIN and SAE grease nipples and all SAE and metric Zerk joints. Simply replace your existing grease gun coupler and this Strong grease gun tool is ready for use in automotive repair, job site large machinery and axles and drive trains, it is also great for lubricating farm tractors, plows, stump pullers, disc harrows, seeders and more.
  • 【Customer Service】 AORRZER promises to provide you with a 1-year warranty, as long as you choose the AORRZER grease gun coupler in the use of any problems encountered in the process can always contact us, we will provide you with 24-hour service, so that you have a family-like feeling!
Bestseller No. 5
THINKWORK Grease Gun Coupler Set, Strong Lock on Greases Gun Couplers with 90° Grease Coupler Adaptor,12000 PSI Quick Release Grease Coupler Compatible with All Grease Guns 1/8" NPT Grease Gun Fitting
  • You'll Get - 0.53"Grease Gun Coupler, 90° Grease Coupler Adaptor, 12" Spring Flex Hose, Cleaning Tool, save your money and be efficient!
  • Design Ideas - Our grease gun coupler is currently the smallest on the market with a diameter of only 0.53 inches and can be used in confined spaces. Designed with a single-lever for easy one-handed operation, you can easily and quickly lock and release.
  • Upgrade Locking & Sealing - With the exclusive patent in the United States, THINKWORK upgraded grease gun coupler adopts upgraded powerful patented 6-jaw structure. With reinforced jaws & high-quality aviation-grade sealing gaskets, Tested at 12000 PSI pressure also prevents leaks.
  • Fit All 1/8” NPT Fittings - Portable grease gun coupler are works on all DIN and SAE grease fittings and attaches to all 1/8” NPT standard grease guns, mini grease guns, pneumatic grease gun and electric grease gun.
  • Wide Application - Our grease gun tool best choice for all-day performance in commercial shops, auto centers and any home garage. Perfect for use in automotive repair, job site large machinery and axles and drive trains. It is also ideal for lubricating farm tractors, plows, stump pullers, disc rakes, seeders, etc.

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 2024-06-13 / Affiliate links / Images from Amazon Product Advertising API