--- product_id: 141411600 title: "Youngine Adjustable AC R134A Quick Coupler AC Charging Fittings Connect Adapter, High & Low Pressure 1/4\" SAE HVAC Car Air Conditioning Conversion Kit" brand: "youngine" price: "1050654₫" currency: VND in_stock: true reviews_count: 5 url: https://www.desertcart.vn/products/141411600-youngine-adjustable-ac-r134a-quick-coupler-ac-charging-fittings-connect store_origin: VN region: Vietnam --- # Durable aluminum & bronze build Universal 7/16-20UNF thread size Dual high & low pressure connectors Youngine Adjustable AC R134A Quick Coupler AC Charging Fittings Connect Adapter, High & Low Pressure 1/4" SAE HVAC Car Air Conditioning Conversion Kit **Brand:** youngine **Price:** 1050654₫ **Availability:** ✅ In Stock ## Summary > ❄️ Connect with Confidence, Charge Like a Pro! ## Quick Answers - **What is this?** Youngine Adjustable AC R134A Quick Coupler AC Charging Fittings Connect Adapter, High & Low Pressure 1/4" SAE HVAC Car Air Conditioning Conversion Kit by youngine - **How much does it cost?** 1050654₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/141411600-youngine-adjustable-ac-r134a-quick-coupler-ac-charging-fittings-connect) ## Best For - youngine enthusiasts ## Why This Product - Trusted youngine brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Safety First:** Brass construction with protective sleeve prevents refrigerant leaks and user injury during quick connect/disconnect. - • **Built to Last:** Premium aluminum and bronze materials ensure long-lasting durability and corrosion resistance. - • **Precision Fit:** Color-coded high (red) and low (blue) side quick connectors for seamless HVAC system compatibility. - • **All-in-One Solution:** Perfect for charging, diagnostics, recovery, and evacuation on R134A refrigerant systems—your go-to HVAC toolkit essential. - • **Universal Compatibility:** Standard 7/16-20UNF thread and 1/4" SAE flare connectors fit most R134A AC systems effortlessly. ## Overview The Youngine Adjustable AC R134A Quick Coupler is a robust, precision-engineered adapter designed for high and low-pressure HVAC systems. Crafted from durable aluminum, bronze, and brass, it features color-coded connectors and universal thread sizes for easy, leak-proof connections during AC charging, diagnostics, and maintenance on R134A refrigerant systems. ## Description Youngine Adjustable AC R134A Quick Coupler AC Charging Fittings Connect Adapter, High & Low Pressure 1/4" SAE HVAC Car Air Conditioning Conversion Kit ## Features - 1.High Quality Material: Aluminum and bronze material for durable and long lasting use. And detachable copper adapter with the cap for easy maintenance. - 2.High & Low Side Fitting: Blue: Low side quick connector/adapter; Red: High side quick connector/adapter. Inlet diameter: 5.08 mm, Outlet diameter: 7.98 mm; 7/16-20UNF Thread Size - 3.Tank Adapters: 1/2 inch female (connect with hose) x 1/4 inch male flare (connect with coupler), conversing from R12 gauge set to R134A lines - 4.Safe Design: brass metal construction for quick and easy connect/disconnect; brilliant sleeve provides safety protection and avoids injury and refrigerant loss, defending against leakage. - 5.Widely Application: it is perfect for AC R134A refrigerants, designed to use with diagnostic manifold gauge and designed for AC charging, diagnostic check, recovery and evacuation work. ## Technical Specifications | Specification | Value | |---------------|-------| | Material | Metal | | Brand | Youngine | | Color | Quick Adapter | | Connector Type | Flare | | Thread Size | 0.25 inch | | Exterior Finish | Brass | | Thread Type | NPT | | Item Weight | 0.01 Kilograms | | Number of Pieces | 1 | | Manufacturer | Youngine | | UPC | 787894022775 | | Item Weight | 0.352 ounces | | Package Dimensions | 2.87 x 2.8 x 2.72 inches | | Is Discontinued By Manufacturer | No | | Manufacturer Part Number | R134A/R12 | ## Product Details - **Material:** Metal - **Brand:** Youngine - **Color:** Quick Adapter - **Connector Type:** Flare - **Thread Size:** 0.25 inch - **Exterior Finish:** Brass - **Thread Type:** NPT - **Item Weight:** 0.01 Kilograms - **Number of Pieces:** 1 - **Manufacturer:** Youngine ## Images ![Youngine Adjustable AC R134A Quick Coupler AC Charging Fittings Connect Adapter, High & Low Pressure 1/4" SAE HVAC Car Air Conditioning Conversion Kit - Image 1](https://m.media-amazon.com/images/I/616zvvNa31L.jpg) ![Youngine Adjustable AC R134A Quick Coupler AC Charging Fittings Connect Adapter, High & Low Pressure 1/4" SAE HVAC Car Air Conditioning Conversion Kit - Image 2](https://m.media-amazon.com/images/I/61i2DqzydzL.jpg) ![Youngine Adjustable AC R134A Quick Coupler AC Charging Fittings Connect Adapter, High & Low Pressure 1/4" SAE HVAC Car Air Conditioning Conversion Kit - Image 3](https://m.media-amazon.com/images/I/618Tm1+gjQL.jpg) ![Youngine Adjustable AC R134A Quick Coupler AC Charging Fittings Connect Adapter, High & Low Pressure 1/4" SAE HVAC Car Air Conditioning Conversion Kit - Image 4](https://m.media-amazon.com/images/I/61HDqcLgrqL.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: Will these fit normal refigeration hoses. 1/4"** A: Yes it will, regular 1/4 hoses ## Customer Reviews ### ⭐⭐⭐⭐⭐ Use these to replace cheap couples *by D***N on August 23, 2019* In 2018, I purchased a set of gauges (OrionMotorTech) which came with cheap couplers. After only a few uses, the cheap couplers (see attached image) went from difficult to nearly impossible to remove from the A/C ports. I replaced the cheap couplers with these and have no issues. These couplers are better made and work smoothly like high end product. I highly recommend buying these for replacing cheap ones or buying a gauge set which comes with these. Truly avoid any cheap couplers like ones in the attached image. ### ⭐⭐⭐⭐⭐ Availability and price *by S***Y on October 2, 2021* Nothing to dislike. They work like their suppose to. Allows me to use my good AC gauges instead of the cheap gauge that comes with R134A. ### ⭐⭐⭐⭐⭐ Would purchase this product again.prompt delivery. *by R***T on July 23, 2021* Product worked as described.the high side fitting I had to put a little penetrating oil on to get to operate properly but after that worked fine. ## Frequently Bought Together - Youngine Adjustable AC R134A Quick Coupler AC Charging Fittings Connect Adapter, High & Low Pressure 1/4" SAE HVAC Car Air Conditioning Conversion Kit - TSI Supercool A/C Comp Lube, UV Dye, 8 Oz, Flsh PNT 442 F, red/Yellow Tint (P46-8D) - Wisepick AC Oil and Dye Injector Kit, Suitable for R134A R1234YF Refrigerant System, with Adjustable Coupler and Oil Checkers --- ## 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.vn/products/141411600-youngine-adjustable-ac-r134a-quick-coupler-ac-charging-fittings-connect](https://www.desertcart.vn/products/141411600-youngine-adjustable-ac-r134a-quick-coupler-ac-charging-fittings-connect) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-04-23*