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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.

4.7 out of 5 stars 5,884 ratings

Price: $29.95 ($6.66 / oz) & FREE Shipping. Details & FREE Returns
Return this item for free
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    This fits your .
  • Make sure this fits by entering your model number.
  • 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.
See more product details

Frequently bought together

  • 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.
  • +
  • Lumax LX-1152 Black Heavy Duty Deluxe Pistol Grease Gun with 18" Flex Hose
  • +
  • Valvoline Multi-Vehicle High Temperature Red Grease 14.1 OZ Cartridge
Total price: $59.93
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Product Description

grease coupler

  • Unique patented design. Locks on.....Stays on....No leaks!
  • Four hardened spring steel jaws are resilient under high pressure - over 10,000 psi.
  • End the waste. End the mess. End greasing frustration.
  • Fits all Grease Guns - 1/8” NPT fitting.
  • Fits all SAE and Metric Zerk fittings. Simply replace your existing coupler, click the orange button on the right to buy.
  • Pressure locked? No problem. Easily releases from clogged fittings, even at extreme pressures.
  • Patented Locking Technology. US Patent 8955544


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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.
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STEINBRÜCKE Heavy Duty Professional Pistol Grip Grease Gun 6000 PSI with 18 inch Flex Hose
Customer Rating 4.7 out of 5 stars (5884) 4.8 out of 5 stars (584) 4.8 out of 5 stars (2307) 4.2 out of 5 stars (503) 4.7 out of 5 stars (341) 4.5 out of 5 stars (444)
Price $29.95 $39.95 See price in cart $18.99 $168.00 $24.99
Sold By LockNLube LockNLube Amazon.com AZUNO TOOLS BUDORA DIRECT STEINBRÜCKE
Item Dimensions 3.45 x 0.63 x 1.66 inches 5.50 x 0.97 x 1.50 inches 23.50 x 4.31 x 13.38 inches 3.19 x 1.57 x 0.79 inches 3.80 x 19.70 x 9.20 inches 15.00 x 5.50 x 3.00 inches

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Product Warranty: For warranty information about this product, please click here

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Customer reviews

4.7 out of 5 stars
4.7 out of 5
5,884 customer ratings
How does Amazon calculate star ratings?
Reviewed in the United States on October 11, 2018
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110 people found this helpful
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Reviewed in the United States on December 24, 2018
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103 people found this helpful
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Reviewed in the United States on January 22, 2015
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Reviewed in the United States on August 10, 2017
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Reviewed in the United States on July 24, 2017
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Top international reviews

Jblack
5.0 out of 5 stars The Only 1 to buy , skip the rest , Lock n Lube is the only 1 that worked for me !!
Reviewed in Canada on January 18, 2019
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5 people found this helpful
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Alexei
2.0 out of 5 stars Didn't work with tight spaces
Reviewed in Canada on May 2, 2020
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2 people found this helpful
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H1
5.0 out of 5 stars The outer sleeve pulls back, so good for tighter spaces
Reviewed in Canada on December 14, 2019
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2 people found this helpful
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Leanne R.
1.0 out of 5 stars Did not work for my purpose.
Reviewed in Canada on August 16, 2018
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3 people found this helpful
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Eric V
5.0 out of 5 stars Très facilFacile à installer très facile à graisser et aucune perte de graisse
Reviewed in Canada on November 14, 2019
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2 people found this helpful
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Amazon Customer
3.0 out of 5 stars Satisfied
Reviewed in Canada on March 25, 2018
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4 people found this helpful
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Good Lookin
4.0 out of 5 stars Ya, it's good.
Reviewed in Canada on March 3, 2018
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One person found this helpful
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joanne penny
5.0 out of 5 stars This thing is awesome! i have only had it for a short ...
Reviewed in Canada on November 20, 2016
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3 people found this helpful
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Andrew J Gibson
5.0 out of 5 stars Hard to convince myself to purchase, but glad I did!!
Reviewed in Canada on April 13, 2019
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Claude1269
4.0 out of 5 stars as described
Reviewed in Canada on June 16, 2018
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One person found this helpful
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Mark
5.0 out of 5 stars Absolute life changer
Reviewed in Canada on January 11, 2020
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louis
4.0 out of 5 stars works as claim
Reviewed in Canada on February 25, 2020
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ML
5.0 out of 5 stars Works like a charm.
Reviewed in Canada on November 21, 2018
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NorthernDad
5.0 out of 5 stars Pricey but fits the bill - literally!
Reviewed in Canada on August 4, 2019
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Phillip Johnson
5.0 out of 5 stars Easy to use
Reviewed in Canada on July 8, 2019
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