Universal Lock-On Grease Gun Coupler attached to a Zerk fitting, showing leak-free connection for lubrication
Grease gun with Universal Lock-On Coupler, ready for efficient lubrication of farm equipment
Close-up of Universal Lock-On Grease Gun Coupler, heavy-duty construction for auto maintenance tools
Leak-free grease gun coupler, high-pressure design for heavy duty auto maintenance applications
Universal Lock-On Grease Gun Coupler, ensuring secure connection for all types of Zerk fittings
Durable grease gun coupler, essential tool for effective lubrication and auto maintenance
Grease gun with innovative leak-proof coupler for farm equipment maintenance, close-up view
Heavy-duty Universal Lock-On Grease Gun Coupler, built for demanding lubrication tasks
Ergonomic Universal Grease Gun Coupler, easy-to-attach design for quick auto maintenance
Universal Lock-On Coupler for grease guns, demonstrating its firm grip on a Zerk fitting
Essential lubrication tool: Universal Lock-On Grease Gun Coupler, robust and reliable
Universal Lock-On Grease Gun Coupler in use, providing a clean and efficient greasing experience
High-quality grease gun coupler, designed for leak-free performance on heavy machinery
Universal Lock-On Grease Gun Coupler, a must-have for professional auto and farm equipment maintenance
Compact and powerful Universal Lock-On Grease Gun Coupler, enhancing lubrication efficiency
The Universal Lock-On Grease Gun Coupler, showcasing its robust build for long-lasting use
Excellent 4.7

Universal Lock-On Grease Gun Coupler for Leak-Free Greasing

Regular price $44.80 Sale price$26.80
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Upgrade your lubrication tasks with our advanced Grease Gun Coupler, designed to eliminate mess and simplify maintenance. This robust coupler ensures efficient, one-person operation for various applications. Choose between the standard Grease Gun Coupler for precision greasing or the Grease Gun Coupler + 12 Inch Spring Flex Hose for extended reach and flexibility in tight spaces.

Grease Gun Coupler

Key Features:

  • Enhanced Leak-Proof Design: Equipped with a powerful 6-jaw coupler and reinforced claws, this tool features a high-quality sealing gasket. It maintains a secure, leak-free connection even under extreme pressures of up to 12,000 PSI, ensuring smooth and efficient lubrication without waste.
  • Broad Compatibility: Featuring a standard 1/8" NPT thread connection, this coupler easily connects to all 1/8" NPT standard grease guns, including pneumatic, manual, and electric models. It's also compatible with all DIN and SAE nozzles as well as SAE and metric Zerk connectors, serving as a direct replacement for most existing couplers.
  • Quick Lock and Release Mechanism: Engage the coupler with a simple press of the trigger to form a leak-proof seal on the grease nipple. To release, merely press the trigger again, allowing for effortless disconnection without twisting or pulling.
  • Effortless One-Handed Operation: Available in Single Handle and Double Handle variants. The Double Handle design is optimized for one-handed use, reducing effort by up to 50% thanks to its ergonomic grip. This allows you to access and lock onto grease fittings even in confined spaces with ease.
  • Premium Construction: Crafted from upgraded, high-quality stainless steel, this coupler offers exceptional wear resistance and durability. Its superior spring elasticity ensures smooth action and consistent performance. Aerospace-grade silicone pads further enhance leak prevention for reliable use.
  • Versatile Applications: An indispensable tool for vehicle maintenance, heavy machinery, and axle transmission systems. It's also perfectly suited for lubricating agricultural equipment such as tractors, plows, and seeders. Ideal for various industrial and commercial settings including construction sites, mines, and farms.

Simple Usage Steps:

  1. Secure the grease nipple.
  2. Snap the coupler onto the grease nipple.
  3. Perform greasing, then release effortlessly.

Product Specifications:

  • Material: Stainless steel
  • Maximum Pressure: 10,000 PSI

Free U.S. Shipping + Tracking!

All orders in the U.S. include free shipping with a Track & Trace code, so you can monitor your order every step of the way. You'll receive your tracking code via email within 24-72 hours after placing your order.

We want you to be completely satisfied with your purchase. If you are not satisfied, you can return your order within 30 days.

Before returning the goods please contact our customer service at hello@luvans.com and let us know the reason for the return so we can process your request correctly.

Thousands of happy customers rate us 5 stars for our fast, friendly, and reliable service. Your satisfaction is always our top priority.


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LUVANS New york

Celebrating 15 Beautiful Years

To our wonderful customers, thank you for being part of our journey for the past 15 years. Your loyalty, support, and trust have meant more to us than words can express.

Due to personal circumstances, we have made the difficult decision to close our store.

As we say goodbye, we invite you to take part in our largest sale ever, with remaining pieces available as we clear our final collection.

We hope you discover something special to take home and remember us by.