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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.
Product ID: 3992963
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💪Rated up to 10,000 PSI strength
🔒Locks securely on Zerk fittings
♻️Rebuildable with spare kit included
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Description
🔧 Lock it tight, grease it right — the pro’s secret weapon!
- DOUBLE THE VALUE - Includes a spare rebuild kit, extending tool life and saving you money.
- EFFORTLESS OPERATION - Patented thumb lever design makes locking and releasing quick, even under pressure.
- UNMATCHED DURABILITY - Engineered to withstand pressures up to 10,000 PSI for heavy-duty performance.
- UNIVERSAL COMPATIBILITY - Fits all grease guns—manual, pneumatic, or battery-powered—for seamless upgrades.
- LOCK LOAD WITH CONFIDENCE - Securely locks onto all Zerk fittings, freeing your hands for precision work.
The LockNLube Grease Gun Coupler is the world’s best-selling original locking coupler designed to securely attach to all Zerk fittings. Rated for up to 10,000 PSI, it offers unmatched durability and universal compatibility with all grease guns. Its patented locking mechanism frees your hands for efficient greasing, while the included rebuild kit ensures long-lasting use backed by a 1-year warranty.
Specifications
| Manufacturer | LockNLube |
| Brand | LockNLube |
| Model | LockNLube Grease Coupler |
| Item Weight | 4 ounces |
| Product Dimensions | 3.45 x 0.63 x 1.66 inches |
| Item model number | 1/8\\\" NPT |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | GC81011 |
Have a Question? See What Others Asked
Does this work with Milwaukee grease guns?
Where is this product manufactured?
After installing it, I couldn't depress the gun's pump. What did I do wrong?
It is just the fitting or does it include the flexible line?
Common Questions
Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.
Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.
Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.
Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.
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TrustScore 4.5 | 7,300+ reviews
I loved the variety of products available. Will definitely shop again.
2 months ago
The product exactly matches the description. Very satisfied with my purchase.
5 days ago
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