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
  • 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
Grease Gun Coupler, Heavy Duty Quick Release Grease Coupler Fits All SAE and Metric Zerk Fittings and All Grease Guns - 1/8'' NPT Fitting - 15,000 PSI Burst Pressure - VA409
  • 【Lock and Seal up to 15,000 PSI】Upgraded reinforced jaws and quality sealing gasket ensure long lasting and stable performance, and prevent leakage even at 15,000 PSI extreme pressure. Never worry about leakage with VARSK grease gun coupler.
  • 【Robust Build Quality】 Built with premium quality heat-treated medium carbon steel for all-day performance in the shop or garage, heavier and stronger than any other grease couplers on the market. The surface adopts chrome plating technology, which has abrasion resistance and corrosion resistance, which prolongs the service life of the product.
  • 【One Hand Operation】Smooth retraction mechanism allows one-hand operation. Once the grease coupler is locked on zerk fitting, it stays on and frees both hands to operate the grease gun. Get your work done with ease.
  • 【Multiple Accessories】The VARSK quick release grease gun coupler comes with replacement claws *3, rubber accessory *1, extra screw caps *2 and 2mm allen wrench *1, which can meet all your DIY needs.
  • 【Compatible with All Grease Guns and Zerk 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. The VARSK grease gun coupler fittings is suitable for your trailer, tractor, UTV, motorcycle, marine and other machines device.
SaleBestseller No. 3
DEWALT Grease Gun Coupler, Heavy Duty, NPT, 1/8-Inch, 3-Pack (DCGG5701-3)
  • For use with hydraulic type grease fittings
  • Max operating pressure up to 10, 000 psi
  • Heavy Duty replacement piece
  • Item Package Dimension: 3.56" L x 2.94" W x 1.25" H
SaleBestseller No. 4
Lumax LX-1403 Silver Heavy-Duty Quick Release Grease Coupler, 1/8" NPT, 1 Pack. Integrated Non-Return Valve enables Unit to be Disconnected Easily at pressures up to 15,000 PSI.
  • Integrated Non-Return Valve enables unit to be Disconnected Easily at pressures up to 15, 000 PSI (1, 034 Bar)
  • Suitable for Use on most Hand, Battery Powered or Air Operated Grease Guns & Bulk Grease Pumps
  • Ergonomic Thumb Lever Design makes Coupling and Uncoupling totally Effortless
  • Integrated 1/8" NPT Connection
  • Hardened 4-Jaws withstands High Pressures without Deformation
Bestseller No. 5
Lumax LX-1400-2 Silver 1/8" NPT Standard Grease Coupler (Pack of 2)
  • Has four hardened steel jaws for durability
  • Spring-loaded ball check valve to prevent leakage
  • 1/8 inches NPT female threads
  • Knurled body and flats for easy installation/removal
  • Small outside diameter permits easy contact with recessed fitting

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 2021-08-18 / Affiliate links / Images from Amazon Product Advertising API