--- product_id: 123890941 title: "PROLUBE Standard 4-Jaw Grease Coupler | With Ball Check | 3,000 PSI | Use with Hand Operated Grease Guns | 1/8” NPT Threads (43512)" brand: "prolube" price: "AR$2161" currency: ARS in_stock: false reviews_count: 9 url: https://www.desertcart.com.ar/products/123890941-prolube-standard-4-jaw-grease-coupler-with-ball-check-3 store_origin: AR region: Argentina --- # 4-jaw secure grip 6000 PSI max pressure 1/8” NPT thread fit PROLUBE Standard 4-Jaw Grease Coupler | With Ball Check | 3,000 PSI | Use with Hand Operated Grease Guns | 1/8” NPT Threads (43512) **Brand:** prolube **Price:** AR$2161 **Availability:** ❌ Out of Stock ## Summary > ⚙️ Lock in the power, grease like a pro! ## Quick Answers - **What is this?** PROLUBE Standard 4-Jaw Grease Coupler | With Ball Check | 3,000 PSI | Use with Hand Operated Grease Guns | 1/8” NPT Threads (43512) by prolube - **How much does it cost?** AR$2161 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/123890941-prolube-standard-4-jaw-grease-coupler-with-ball-check-3) ## Best For - prolube enthusiasts ## Why This Product - Trusted prolube brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Quad-Jaw Lockdown:** 4-jaw design guarantees a rock-solid, leak-free connection every time. - • **Seamless Compatibility:** Standard 1/8” NPT threads fit most hand-operated grease guns for versatile use. - • **Effortless Installation:** Hexagonal nut design allows quick, secure tightening—no fuss, no slip. - • **Durability Meets Precision:** Fully hardened spring steel jaws resist wear and deformation for long-lasting reliability. - • **Unmatched Pressure Resilience:** Handles up to 6000 PSI without fail, ensuring peak performance under pressure. ## Overview The PROLUBE Professional 4-Jaw Grease Coupler (model 43502) is engineered for hand-operated grease guns, delivering a secure, high-pressure connection up to 6000 PSI. Featuring a robust 4-jaw design with fully hardened spring steel jaws and a hexagonal nut for easy tightening, it ensures durability and precision. Its 1/8” NPT threads provide broad compatibility, making it a must-have for professionals demanding reliability and efficiency in lubrication tasks. ## Description Hydraulic coupler stand. Most popular for use with grease guns for general maintenance narrow coupler design for use on fittings with limited access milled slot for easy tightening fully hardened spring steel jaws ## Features - Standard hydraulic coupler for grease guns not exceeding 3000 PSI - 4-Jaw construction to couple securely - Strong, steadfast coupler body can withstand high pressure without deformation - Hexagonal nut for easy tightening - Fully hardened spring steel jaws ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01MXM7J5L | | Best Sellers Rank | #566,382 in Automotive ( See Top 100 in Automotive ) #307 in Trailer Coupler Parts | | Brand | PROLUBE | | Brand Name | PROLUBE | | Color | Silver | | Connector Type | Coupling | | Customer Reviews | 4.3 out of 5 stars 62 Reviews | | Exterior Finish | Alloy Steel | | Global Trade Identification Number | 00816139015798 | | Item Dimensions | 1.94 x 3.88 x 1 inches | | Item Weight | 0.01 Ounces | | Item dimensions L x W x H | 1.94 x 3.88 x 1 inches | | Manufacturer | Groz | | Manufacturer Part Number | 43512 | | Material | manmade | | Material Type | manmade | | Model Number | 43512 | | Number of Pieces | 1 | | Size | 4-Jaw | | Thread Size | 1/8 inch | | Thread Type | NPT | | UPC | 816139015798 | | Unit Count | 1.0 Count | ## Images ![PROLUBE Standard 4-Jaw Grease Coupler | With Ball Check | 3,000 PSI | Use with Hand Operated Grease Guns | 1/8” NPT Threads (43512) - Image 1](https://m.media-amazon.com/images/I/71Swtn8zt0L.jpg) ![PROLUBE Standard 4-Jaw Grease Coupler | With Ball Check | 3,000 PSI | Use with Hand Operated Grease Guns | 1/8” NPT Threads (43512) - Image 2](https://m.media-amazon.com/images/I/61aH4KloqNL.jpg) ![PROLUBE Standard 4-Jaw Grease Coupler | With Ball Check | 3,000 PSI | Use with Hand Operated Grease Guns | 1/8” NPT Threads (43512) - Image 3](https://m.media-amazon.com/images/I/61vn1G03waL.jpg) ![PROLUBE Standard 4-Jaw Grease Coupler | With Ball Check | 3,000 PSI | Use with Hand Operated Grease Guns | 1/8” NPT Threads (43512) - Image 4](https://m.media-amazon.com/images/I/81s+wgBt6KL.jpg) ![PROLUBE Standard 4-Jaw Grease Coupler | With Ball Check | 3,000 PSI | Use with Hand Operated Grease Guns | 1/8” NPT Threads (43512) - Image 5](https://m.media-amazon.com/images/I/71WbXt5KetL.jpg) ## Available Options This product comes in different **Size, Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by H***E on January 12, 2024* ### ⭐⭐⭐⭐⭐ Review *by J***R on August 10, 2023* ### ⭐⭐⭐⭐ Review *by G***E on June 30, 2022* ## Frequently Bought Together - PROLUBE Professional 4-Jaw Grease Coupler | with Ball Check | 6,000 PSI | Use with Hand Operated Grease Guns | 1/8” NPT Threads (43502) - 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. - ZELCAN Grease Fittings Kit, 150pc SAE Hydraulic Grease Zerk Assortment: 1/4" 1/8" Straight 45 90 Degree Angled Zerk Fittings, Galvanized Steel Set for Replacing Missing or Broken Zerk Grease Fittings --- ## 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.com.ar/products/123890941-prolube-standard-4-jaw-grease-coupler-with-ball-check-3](https://www.desertcart.com.ar/products/123890941-prolube-standard-4-jaw-grease-coupler-with-ball-check-3) --- *Product available on Desertcart Argentina* *Store origin: AR* *Last updated: 2026-05-15*