--- product_id: 343006713 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: "1831038₫" currency: VND in_stock: true reviews_count: 5 category: "Youngine" url: https://www.desertcart.vn/products/343006713-youngine-adjustable-ac-r134a-quick-coupler-ac-charging-fittings-connect store_origin: VN region: Vietnam --- # 7/16-20UNF Thread Size Dual high & low pressure quick connectors Brass metal construction for leak-proof safety 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:** 1831038₫ **Availability:** ✅ In Stock ## Summary > ⚡ Upgrade Your AC Game with Leak-Free Precision! ## 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?** 1831038₫ 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/343006713-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 - • **Dual Pressure Ready:** Color-coded high (red) and low (blue) side adapters ensure quick, error-free connections every time. - • **Durable Metal Build:** Crafted from aluminum, bronze, and nickel-plated components for long-lasting, professional-grade reliability. - • **Safety First Design:** Brilliant sleeve guards against refrigerant loss and injury, keeping your workspace secure and efficient. - • **Universal Compatibility:** Easily converts R12 gauge sets to R134A lines with versatile 1/2 inch female to 1/4 inch male flare adapters. - • **Precision Fit, Zero Leaks:** Seamlessly connects with R134A manifold gauges for flawless AC charging and diagnostics. ## Overview The Youngine Adjustable AC R134A Quick Coupler is a premium HVAC adapter kit featuring durable aluminum and bronze construction, dual high and low pressure fittings with 7/16-20UNF thread size, and safety sleeves to prevent leaks and injuries. Designed for professional AC charging, diagnostics, and recovery, it ensures a secure, universal fit for R134A refrigerants and manifold gauge hose sets. ## Description Features: 1. Adjustable Coupler Connector Adapter Fitting for AC R134A Manifold Gauge Hose Set. 2. Nice heavy metal, very durable, quality item in both appearance and function. 3. They seal perfectly on the fittings, no leaks, long-lasting use. 4. Easily open and close under pressure Specifications: Color: Blue & Silver, Red & Silver Material: Blue & Red Switch:Aluminum The Silver Body: Nickel plated bronze adapter:Bronze Size: Inlet diameter: 5.08 mm Outlet diameter: 7.98 mm 7/16-20UNF Thread Size Package Included: 1 set of Adjustable AC R134A Quick Coupler Review: Use these to replace cheap couples Review: Alles perfekt ohne Probleme - Hatte vorher welche von schlechterer Qualität und muss feststellen das diese zu diesem Preis echt gute Qualität haben. Immer wieder ## 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 | |---------------|-------| | ASIN | B07QBYG44K | | Brand | Youngine | | Brand Name | Youngine | | Color | Quick Coupler | | Colour | Quick Coupler | | Connector Type | Adapter | | Connector type | Adapter | | Customer Reviews | 4.5 out of 5 stars 370 Reviews | | Exterior Finish | Nickel | | Item Weight | 0.01 Kilograms | | Manufacturer | Youngine | | Material | Metal | | Material Type | Metal | | Number of Pieces | 1 | | Size | 5.08 mm (inlet), 7.98 mm (outlet) | | Thread Size | 0.25 inch | | Thread Type | UNF | | Thread size | 0.25 inch | | UPC | 787894022775 | | Unit Count | 1.0 Count | ## Product Details - **Material:** Metal - **Brand:** Youngine - **Colour:** Quick Coupler - **Connector type:** Adapter - **Thread size:** 0.25 inch ## 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) ## 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 23 August 2019* ### ⭐⭐⭐⭐⭐ Alles perfekt ohne Probleme *by H***I on 23 July 2024* Hatte vorher welche von schlechterer Qualität und muss feststellen das diese zu diesem Preis echt gute Qualität haben. Immer wieder ### ⭐⭐⭐⭐⭐ Perfetti *by ~***~ on 17 June 2024* Perfetti e funzionanti. ## 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/343006713-youngine-adjustable-ac-r134a-quick-coupler-ac-charging-fittings-connect](https://www.desertcart.vn/products/343006713-youngine-adjustable-ac-r134a-quick-coupler-ac-charging-fittings-connect) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-04-23*