--- product_id: 509904123 title: "STHIRA® Grease Gun Coupler, Strong Lock Release Grease Coupler with 12\" Spring Flex Hose, 12000 PSI Quick Release Metal Grease Gun Couplers Compatible with All Grease Guns 1/8\" NPT Grease Gun Fitting" brand: "sthira" price: "$14.68" currency: USD in_stock: true reviews_count: 8 category: "Sthira" url: https://www.desertcart.us/products/509904123-sthira-grease-gun-coupler-strong-lock-release-grease-coupler-12 store_origin: US region: United States of America --- # 12000 PSI max pressure 12" spring flex hose included Universal 1/8" NPT compatibility STHIRA® Grease Gun Coupler, Strong Lock Release Grease Coupler with 12" Spring Flex Hose, 12000 PSI Quick Release Metal Grease Gun Couplers Compatible with All Grease Guns 1/8" NPT Grease Gun Fitting **Brand:** sthira **Price:** $14.68 **Availability:** ✅ In Stock ## Summary > 🔧 Lock in power, unlock your productivity! ## Quick Answers - **What is this?** STHIRA® Grease Gun Coupler, Strong Lock Release Grease Coupler with 12" Spring Flex Hose, 12000 PSI Quick Release Metal Grease Gun Couplers Compatible with All Grease Guns 1/8" NPT Grease Gun Fitting by sthira - **How much does it cost?** $14.68 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/509904123-sthira-grease-gun-coupler-strong-lock-release-grease-coupler-12) ## Best For - sthira enthusiasts ## Why This Product - Trusted sthira brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Premium alloy steel with corrosion resistance and rubberized grip for durability and comfort. - • **Ready Out of the Box:** Includes a flexible 12" spring hose for easy access in tight spots—upgrade your toolkit instantly. - • **One-Handed Efficiency:** 6-jaw strong lock release lets you grease with one hand, freeing you to multitask. - • **Seamless Universal Fit:** Compatible with all 1/8" NPT grease guns and standard grease nipples—one tool for every job. - • **Unmatched Pressure Power:** Withstands up to 12,000 PSI for leak-proof, heavy-duty greasing. ## Overview The STHIRA Grease Gun Coupler is a premium, universal 1/8" NPT fitting tool designed for professional-grade lubrication. Engineered with a reinforced 6-jaw bite lock and durable alloy steel, it handles pressures up to 12,000 PSI without leaks. Featuring a 12" spring flex hose and one-handed quick-release operation, it streamlines maintenance on everything from farm equipment to heavy machinery, making it an essential upgrade for any serious mechanic or manager aiming to save time and avoid downtime. ## Description STHIRA® Grease Gun Coupler, Strong Lock Release Grease Coupler with 12" Spring Flex Hose, 12000 PSI Quick Release Metal Grease Gun Couplers Compatible with All Grease Guns 1/8" NPT Grease Gun Fitting : desertcart.in: Home Improvement Review: Real Time Saver, makes life so much easier. - Wish I had bought one years ago. No longer need both hands to grease equipment and vehicles. Yes it's a little pricey but well worth every penny. Very good quality and well built. Let me start by saying I hate grease guns, always have. The old hand pump ones that you put the tube in, really piss me off. Once you put it on the Zirk, it is such a PITA to get off. This handy little item makes greasing things so much easier. I would recommend this to anyone that finds greasing things unfun when you're trying to get the job done and you can't get the job done easily with the old-style grease guns. Review: Good quilaty - Very good product ## Features - UNIVERSAL COMPATIBILITY: Grease gun coupler fits all 1/8" NPT standard grease gun, pneumatic grease Gun, manual grease gun, electric grease gun, also suitable for all DIN and SAE grease nipples and all SAE and metric Zerk joints. Simply replace your existing grease gun coupler and this grease gun tool is ready for use in automotive repair, job site large machinery and axles and drive trains, it is also great for lubricating farm tractors, plows, stump pullers, disc harrows, seeders and more. - PREMIUM DURABILITY AND STURDY: The grease gun coupler is crafted with upgraded premium alloy steel with rubberized handle bar, sturdy and durable to use, rust resistance, corrision resistance, longer service life. Optimizing the thickness of the steel and upgrading the 6-jaw bite lock on the original basis, quality steel, quality design principle, Wear-resistant and durable Long life span, Lowest lifetime cost, believe me, this will be your best choice!! - UPGRADE PERFORMANCE: With 6-jaw coupler and excellent durability makes the grease gun coupler can stand with max 12000 PSI jetting pressure, leakingproof. This grease gun coupler with 12 Inch Spring Flex HoseUpgrade-strong 6-jaw coupler, grease gun coupler reinforced jaws and quality sealing gasket ensure long lasting and stable performance tighter and no oil leakage, use testing: Leak prevention even when tested at extreme pressures of 12, 000 PSI or higher. - EASY TO USE: Grease gun coupler with smooth strong 6-jaw bite lock on function allows one-handed operation, no need to hold when lubricating, after locking the grease gun coupler, you can free your hands to operate the grease gun. Quick to connect and release, with smooth retraction mechanism, you just squeeze the trigger and aim the coupler to the grease gun fitting and insert, and release the trigger, the coupler will catch the fitting firmly. No need to hold the trigger while greasing. - NICE REPLACEMENT GREASE GUN COUPLER: Compatible with most grease guns in market with 1/8" NPT fitting. Great and nice quality replacement grease gun coupler for aging, broken grease gun coupler. Also coming with a free 12'' hose for your convenience. Not only have a new upgraded and enhanced version (high pressure, leak-proof, fast grease filling, optimized steel thickness, 6-jaw bite lock, one-hand operation, lowest lifetime cost) but the coupler fits all 1/8" NPT standard grease gun fitting. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BQYV8MRG | | Best Sellers Rank | #26,725 in Home Improvement ( See Top 100 in Home Improvement ) #56 in Caulking Guns | | Country of Origin | China | | Generic Name | machine tools | | Importer | STHIRA | | Included Components | See Product Description | | Item Dimensions LxWxH | 9 x 3 x 2 Centimeters | | Item Weight | 156 g | | Item model number | A-966 | | Manufacturer | Jinhua SimplyPrint Manufacturing Co., Ltd., STHIRA | | Net Quantity | 3.00 Count | | Packer | STHIRA | | Product Dimensions | 9 x 3 x 2 cm; 155.5 g | ## Images ![STHIRA® Grease Gun Coupler, Strong Lock Release Grease Coupler with 12" Spring Flex Hose, 12000 PSI Quick Release Metal Grease Gun Couplers Compatible with All Grease Guns 1/8" NPT Grease Gun Fitting - Image 1](https://m.media-amazon.com/images/I/41-ol8XToJL.jpg) ![STHIRA® Grease Gun Coupler, Strong Lock Release Grease Coupler with 12" Spring Flex Hose, 12000 PSI Quick Release Metal Grease Gun Couplers Compatible with All Grease Guns 1/8" NPT Grease Gun Fitting - Image 2](https://m.media-amazon.com/images/I/41SbtPuZhxL.jpg) ![STHIRA® Grease Gun Coupler, Strong Lock Release Grease Coupler with 12" Spring Flex Hose, 12000 PSI Quick Release Metal Grease Gun Couplers Compatible with All Grease Guns 1/8" NPT Grease Gun Fitting - Image 3](https://m.media-amazon.com/images/I/41TT4X3XAdL.jpg) ![STHIRA® Grease Gun Coupler, Strong Lock Release Grease Coupler with 12" Spring Flex Hose, 12000 PSI Quick Release Metal Grease Gun Couplers Compatible with All Grease Guns 1/8" NPT Grease Gun Fitting - Image 4](https://m.media-amazon.com/images/I/41nBsDISuoL.jpg) ![STHIRA® Grease Gun Coupler, Strong Lock Release Grease Coupler with 12" Spring Flex Hose, 12000 PSI Quick Release Metal Grease Gun Couplers Compatible with All Grease Guns 1/8" NPT Grease Gun Fitting - Image 5](https://m.media-amazon.com/images/I/51FH7nJ1KfL.jpg) ## Available Options This product comes in different **Item Shape** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Real Time Saver, makes life so much easier. *by S***I on 8 May 2023* Wish I had bought one years ago. No longer need both hands to grease equipment and vehicles. Yes it's a little pricey but well worth every penny. Very good quality and well built. Let me start by saying I hate grease guns, always have. The old hand pump ones that you put the tube in, really piss me off. Once you put it on the Zirk, it is such a PITA to get off. This handy little item makes greasing things so much easier. I would recommend this to anyone that finds greasing things unfun when you're trying to get the job done and you can't get the job done easily with the old-style grease guns. ### ⭐⭐⭐⭐ Good quilaty *by A***M on 29 September 2023* Very good product ### ⭐⭐⭐⭐⭐ Best purchase from Amazon 🌹✨ *by R***D on 8 April 2024* I required a nipple lock grease gun coupler for greesing machinary parts and inside bearings. It perfectly works in high pressure. Use thread lock sealer tape for perfect airtight between joints. It's works very well without any greese leakage and it comes with a 30cm cable hosing. Diameter fits perfectly for a 1/8 NPT Greese guns. Easier to attach and remove. Strong material. A bit heavier. I like it ❤️. ## Frequently Bought Together - STHIRA® Grease Gun Coupler, Strong Lock Release Grease Coupler with 12" Spring Flex Hose, 12000 PSI Quick Release Metal Grease Gun Couplers Compatible with All Grease Guns 1/8" NPT Grease Gun Fitting - JCB Tools Heavy Duty Lever Grease Gun with Aluminum Die cast head. Air Release valve on Head. Complete with Rigid Extention and Coupler, 22025930 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/509904123-sthira-grease-gun-coupler-strong-lock-release-grease-coupler-12](https://www.desertcart.us/products/509904123-sthira-grease-gun-coupler-strong-lock-release-grease-coupler-12) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-08*