Best Grease Gun Coupler: image
Top Pick

G coupling, which has a locking mechanism, is the first of its kind in the world. It was invented by Alemite in 1927 and it’s considered one of the best-selling grease guns in the world. The G coupling can be used with all types of grease guns including electric, pneumatic or hand-operated ones. It comes with a lifetime warranty and no maintenance fees. It also reduces wear and tear on the joints. Notably, the product is made in India.

Best Budget

3.5-inch long stainless steel lock, designed to fit PTO shafts, axles, and other recessed grease fittings. The lock is made from high-quality stainless steel and comes with a lifetime guarantee. It can be locked on either side of the lock for maximum protection against corrosion. Not suitable for use in oily environments. This product has been tested under ISO 9001:2008 standards. It was also approved by the European Union.

Honorable Mention

Automotive, Industrial and Marine Use. These products are sold from abroad and may differ from local products in terms of fit, age ratings, labelling, and instructions. The set includes a coupler, nozzle, adapter, and flexible hose. It is also suitable for use with gas cannons. Notably, the US government has banned the sale of gasoline to foreigners. However, it does not affect its import status.

Best Grease Gun Coupler

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Top 10 Best Grease Gun Coupler

Top Pick
1

Grease gun mouthpiece

16,252 ratings | 9 offers | 16,252 Reviews
Price: $61.02$72.5
Why we chose it
  • 1/8″ NPT compatible with all grease guns – battery, pneumatic, manual
  • World’s original locking grease coupler.
  • Grease goes in, not on, the machine
  • Locks on, does not leak
  • International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.
Grease gun mouthpiece: image
94%
customers recommend this product
4.7/ 5
2
Why we chose it
  • Over 3.5″ of reach. Great for shielded PTO shafts, axles, harvester heads, U Joints and other recessed grease fittings.
  • International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.
  • Rated to 10,000 PSI! Locks on, stays on. Does not leak once locked on.
LockNLube Grease Gun Coupler XL - Extra reach for recessed grease fittings: image
94%
customers recommend this product
4.7/ 5
3
Why we chose it
  • Ideal For Automotive & Trailers, Agriculture, Industrial and Marine Use
  • All in One Set Includes Couplers, Nozzles, Adapters and Flex Hose
  • Grease Gun Accessories Engineered To Withstand Rugged Use
Carbyne Grease Gun Accessory Set - 12 Piece | All-in-One Set Includes Couplers, Nozzles, Adapters and Flex Hose: image
88%
customers recommend this product
4.4/ 5
4
Why we chose it
  • International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.
  • Ergonomic Thumb Lever Design makes Coupling and Uncoupling totally Effortless
  • Integrated 1/8″ NPT Connection
  • Suitable for Use on most Hand, Battery Powered or Air Operated Grease Guns & Bulk Grease Pumps
  • Hardened 4-Jaws withstands High Pressures without Deformation
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: image
92%
customers recommend this product
4.6/ 5
5

Lumax LX-1404 Silver 90 Degree Grease Coupler

1,157 ratings | 1 offers | 1,157 Reviews
Price starts from: $17.17
Why we chose it
  • Spring-loaded ball check valve to prevent leakage
  • Maximum operating pressure of 4, 500 PSI
  • Quick connect with a spring loaded sleeve
  • For use with most hand-operated grease guns
  • Designed for hard-to-reach grease fittings
Lumax LX-1404 Silver 90 Degree Grease Coupler: image
86%
customers recommend this product
4.3/ 5
6

LockNLube 90° Grease Coupler Adaptor

686 ratings | 8 offers | 686 Reviews
Price: $25.09$29.98
Why we chose it
  • International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.
  • Simply use an adaptor for troublesome grease fittings
  • 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
LockNLube 90° Grease Coupler Adaptor: image
90%
customers recommend this product
4.5/ 5
7
Why we chose it
  • CONVENIENT STORAGE: The grease gun accessory set also comes with a high quality storage case that securely stores all of the tools in the set, so you’ll never misplace a tool on the job.
  • ASPCA BUSINESS AMBASSADOR: We are proud to be part of the ASPCA Business Ambassador Program. If you have a pet, you realize they are more than a pet, they are part of the family. With your support, were proud to help this great organization.
  • SET INCLUDES: Our high quality 8-Piece Grease Gun Accessory Set includes the following: Grease Injector Needle, Simple Spout, 4-Jaw Standard Spout, Slide-on 90 degree spout, Rubber Tipped Spout, Needle Spout, 360 degree spout, and a 9-inch Nylon Hose Adapter.
  • International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.
ARES 71045 | 8-Piece Grease Gun Accessory Set | for Use with All Types of Grease Lubrication Applications Construction with Working Pressure of 4500 PSI | Storage Case Included: image
90%
customers recommend this product
4.5/ 5
8

LockNLube Narrow Needle Dispenser

929 ratings | 2 offers | 929 Reviews
Price: $17.1$25.6
Why we chose it
  • Delivers a fine line of grease for shafts and other applications
  • Works best with the LockNLube Grease Coupler
  • For hand-operated grease guns
  • Extra reach for hard to reach grease fittings
  • Snaps directly onto a jaw type coupler to reach grease fittings in very tight spaces
LockNLube Narrow Needle Dispenser: image
94%
customers recommend this product
4.7/ 5
9
Why we chose it
  • Includes a 16″ flex hose with coupler ,2 metal pipe and extra nozzle
  • Pistol grip handle creates plenty of leverage for all day comfort
  • International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.
  • Orange rubber sleeve around the barrel provides added grip in slippery situations
  • Solid construction of aluminum anodized canister
Lnchett Grease Gun, Premium Pistol Grip Car Grease Gun Set With 16 Inch Flex Hose, 2 Extra Extension Pipe: image
86%
customers recommend this product
4.3/ 5
10
Why we chose it
  • What you get: the package comes with 2 pieces silver coupler adapters and 2 pieces sleeves that will satisfy your various needs, effective locking and quick release mechanisms ensure that grease enters the machine without spilling or leaking, safe and convenient to use in your daily life
  • Spring loaded: spring loaded sleeve locks coupler in place, helps to secure the connection between your straight coupler and this angle coupler and preventing leakage, make the grease filling more efficient and convenient
  • Wide applications: the 90 degree crease coupler is suitable for auto, farm, truck or industrial using, good for hard-to-reach grease fittings on cars, trucks, farm equipment and more, it can be also applied for most hand-operated grease guns, with working pressure range for 3000-4500PSI
  • Convenient to use: this grease coupler is designed with 90 degree, can grease hard to reach zerk fittings in tight spaces, convenient for you to connect some difficult fittings, the 3 jaw coupler design snaps on and off grease fittings easier
  • International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.
Boao 4 Pieces 90 Degree Grease Coupler Silver Coupler Adapter 3 Jaw Angle Grease Fitting Tool with Sleeves for Auto, Farm, Truck or Industrial Use: image
88%
customers recommend this product
4.4/ 5
Top Pick
Grease gun mouthpiece
Coupling Does your grease gun have difficulty greasing your equipment? Then you should buy a G coupling. Find out why: the annoying duty of greasing has already been revolutionised by the grease nipple. It was then the first design of Alemite, which adapted the grease nipple piece by piece. The first push-on couplings for grease guns. Over 80 years this system established itself despite some weaknesses: grease escapes from the grease gun and was wondered why so much grease dripped on the joints - the clutch dissolved under pressure, which forced you to hold the clutch during greasing - at back pressure the clutch locked and you could hardly manoeuvre it. were usually keeping keeping according according traditional a short service life, they were considered disposable goods. It's time to give this trend a new direction. The result? The G coupling. It is a game change, the patented grease gun coupling solves all the above problems, simple and elegant. Product Description Imagine greasing your machines would be easier. It would be less painful and less frustrating. This is what you get thanks to the G coupling for grease guns. With its patented sliding sleeves and the locking mechanism, the G-coupler provides flawless unlocking and a leak-proof seal. What does this mean to you? Waste and mess are a thing of the past. If your grease gun is under pressure, especially in deep pressure, then simply press the thumb lever and release the clutch. No more hassle for you and no...Read more
Ranking the Brands
Fettpresse-kupplung: 10.00%
LockNLube: 30.00%
Carbyne: 10.00%
Lumax: 20.00%
ARES: 10.00%
Lnchett: 10.00%
Boao: 10.00%

Comparison Table

Сomparison: Grease gun mouthpiece: imageСomparison: LockNLube Grease Gun Coupler XL - Extra reach for recessed grease fittings: imageСomparison: Carbyne Grease Gun Accessory Set - 12 Piece | All-in-One Set Includes Couplers, Nozzles, Adapters and Flex Hose: imageСomparison: 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: imageСomparison: Lumax LX-1404 Silver 90 Degree Grease Coupler: imageСomparison: LockNLube 90° Grease Coupler Adaptor: imageСomparison: ARES 71045 | 8-Piece Grease Gun Accessory Set | for Use with All Types of Grease Lubrication Applications Construction with Working Pressure of 4500 PSI | Storage Case Included: imageСomparison: LockNLube Narrow Needle Dispenser: imageСomparison: Lnchett Grease Gun, Premium Pistol Grip Car Grease Gun Set With 16 Inch Flex Hose, 2 Extra Extension Pipe: imageСomparison: Boao 4 Pieces 90 Degree Grease Coupler Silver Coupler Adapter 3 Jaw Angle Grease Fitting Tool with Sleeves for Auto, Farm, Truck or Industrial Use: image
Grease gun mouthpieceLockNLube Grease Gun Coupler XL – Extra reach for recessed grease fittingsCarbyne Grease Gun Accessory Set – 12 Piece | All-in-One Set Includes Couplers, Nozzles, Adapters and Flex HoseLumax 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 PSILumax LX-1404 Silver 90 Degree Grease CouplerLockNLube 90° Grease Coupler AdaptorARES 71045 | 8-Piece Grease Gun Accessory Set | for Use with All Types of Grease Lubrication Applications Construction with Working Pressure of 4500 PSI | Storage Case IncludedLockNLube Narrow Needle DispenserLnchett Grease Gun, Premium Pistol Grip Car Grease Gun Set With 16 Inch Flex Hose, 2 Extra Extension PipeBoao 4 Pieces 90 Degree Grease Coupler Silver Coupler Adapter 3 Jaw Angle Grease Fitting Tool with Sleeves for Auto, Farm, Truck or Industrial Use
ManufacturerFettpresse-kupplungGurtechCARBYNELumaxLumaxLockNLubeARESLockNLubeLnchettBoao
BrandFettpresse-kupplungLockNLubeCarbyneLumaxLumaxLockNLubeARESLnchettBoao
Product Dimensions8.76 x 1.6 x 4.22 cm; 170.1 Grams13.97 x 2.46 x 3.81 cm; 172.37 Grams12.07 x 2.54 x 12.07 cm; 90.72 Grams14.99 x 8.89 x 2.29 cm; 90.72 Grams11.43 x 4.45 x 2.54 cm; 23 Grams13.97 x 7.62 x 1.91 cm; 39.69 Grams21 x 15 x 2 cm; 200 Grams
Item Weight170 g172 g980 g90.7 g23 g703 g39.6 g1.57 kg200 g

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Tips and advices on YouTube

Grease Gun – How To Use A Grease-Gun Properly
Getting A Secure Fit With Your Grease Gun

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