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LockNLube Hose Assembly - Coupler, Hose and Swivel

SKU: LNL321-20

31 reviews


This bundle includes the LockNLube Grease Coupler, a high-quality 20" whip hose and our 10,000 PSI rated hose swivel. You also get a LockNLube Rebuild Kit for free if you ever need to replace the seal or jaws in your coupler.


We recommend installing the swivel at the opposite end of the hose from the coupler. This gives you all of the functionality, but doesn't increase the size of the coupler at the working end. If your grease gun does not have 1/8" NPT threads at the base end (some manufacturers have changed their threads to force the purchase of one of their branded hoses) you can always install the swivel directly behind the coupler. 

Grease Coupler
Hose Length

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LockNLube provides a full 30-day money-back guarantee on all products purchased from its website. If you are dissatisfied with your purchase, you can return it to us by shipping the item back within 30 days of purchase. Once we receive your return, we will refund you the full purchase price of the item.

Please ensure that the item you are returning is repackaged securely, with all its component parts included. Please also include any documentation that came with your original order, such as a packing slip or order confirmation.


Return items to us by shipping to:

Lock and Lube
12 Commerce Ave. Suite #3
West Lebanon, NH 03784

For more information, please call 603.795.2298. We’re a small business and we’ll pick up the phone in New Hampshire when you call.

Customer Reviews
5.0 Based on 31 Reviews
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Filter Reviews:
Richard C.
United States United States
Great Products, Great Service

The title says it all.

Steve P.
United States United States
Awesome coupler

Fantastic! Locks on securely for easy one handed operation (battery powered grease gun) so can observe from many angles for grease emerging from the joints. Have literally left it coupled on the fitting while I changed out the empty cartridge of grease. Very little leakage on even the toughest joints.super happy with this purchase. I got the extra long Lock and Lube fitting but would probably would get the shorter version next time since there a some fitting the extra length gets in the way.

robert a.
United States United States
Quality product

This innovative product has helped me immensely while greasing my truck and trailer. No more trying to hold the grease gun on the grease fitting while in awkward positions. Just clip the coupler on and you have both hands free to operate the grease gun. Awesome product.

Gary C.
United States United States
Reduces the mess and frustration of standard grease coupler

My only regret is I didn’t know about the lockNlube coupler sooner. I have been fighting with standard couplers for years and may have put off greasing because of the mess and frustration of getting standard couplers to connect or disconnect. This product really makes a difference.

Troy S.
United States United States

I farm and this is the greatest thing ever!!

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