{"product_id":"boltigen-r134a-to-r1234yf-adapter-kit-brass-high-low-side-quick-couplers-auto-close-seals","title":"Boltigen R134a to R1234yf Adapter Kit — Brass High \u0026 Low-Side Quick Couplers, Auto-Close Seals","description":"\u003cp\u003e\u003cstrong\u003eBoltigen's R134a to R1234yf Adapter Kit converts between R1234yf and R134a vehicle AC service ports quickly and securely for charging, diagnostics, and recovery.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eTransitioning between older R134a systems and newer R1234yf refrigerant can slow down service work without the proper fittings. This Boltigen two-piece adapter set includes color-coded high- and low-side quick couplers made from brass, engineered seals and an auto-close action so technicians and DIYers can attach manifold gauges and service tools without modifying lines or risking leaks.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these adapters let me service both R134a and R1234yf systems?\u003c\/h3\u003e\n\u003cp\u003eThe kit provides both a low-side and a high-side quick coupler that physically mates R1234yf service ports to R134a charging tools. Each coupler uses different thread and seat sizes so you can connect a manifold, vacuum pump, or charging hose to the opposite refrigerant type safely for testing, evacuation, or topping up.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLow-side (blue): 14 mm female R1234yf to 13 mm R134a low-pressure quick coupler.\u003c\/li\u003e\n  \u003cli\u003eHigh-side (red): 17 mm female R1234yf to 16 mm R134a high-pressure quick coupler.\u003c\/li\u003e\n  \u003cli\u003eColor-coded for fast identification during multi-vehicle work.\u003c\/li\u003e\n  \u003cli\u003eAllows use of existing R134a tools on R1234yf-equipped cars and vice versa for diagnostics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat build quality and sealing features ensure safe connections?\u003c\/h3\u003e\n\u003cp\u003eBoltigen makes these couplers from brass for corrosion resistance and long life, with knurled grip rings for positive hand operation. The internal design uses six sealing balls plus an auto-close mechanism that helps prevent refrigerant loss when attaching or detaching tools.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDurable brass construction resists wear and does not gall easily.\u003c\/li\u003e\n  \u003cli\u003eSix-ball sealing arrangement provides multiple contact points for a tight seal.\u003c\/li\u003e\n  \u003cli\u003eAuto-close feature minimizes accidental refrigerant discharge during swaps.\u003c\/li\u003e\n  \u003cli\u003eKnurled grips enable secure manual operation without tools.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich applications and tools are these adapters compatible with?\u003c\/h3\u003e\n\u003cp\u003eThe adapter pair is designed for automotive air-conditioning work: charging, manifold gauge hookups, leak diagnostics, recovery and evacuation when moving between refrigerant standards. They work with common AC manifolds, vacuum pumps and charging hoses that accept R134a or R1234yf quick couplers.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits R1234yf-equipped cars to allow R134a tool use for testing and service.\u003c\/li\u003e\n  \u003cli\u003eUseful in retrofit or transitional shop environments handling mixed refrigerants.\u003c\/li\u003e\n  \u003cli\u003eCompatible with most aftermarket manifolds, hoses, and recovery machines.\u003c\/li\u003e\n  \u003cli\u003eNot a refrigerant converter — intended for service port access only.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Boltigen's adapter kit is aimed at professional automotive technicians, independent mechanics, and knowledgeable DIYers who routinely encounter both R134a and R1234yf systems. If you need a reliable, color-coded coupling solution to speed up diagnostics and charging without modifying service equipment, this brass adapter set provides a practical, reusable interface between refrigerant standards.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use these adapters to convert refrigerant between R134a and R1234yf?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. These adapters only allow connecting tools between port types; they do not change refrigerant chemistry or make blends compatible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are the couplers leak-resistant for shop use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Brass construction, six sealing balls and an auto-close function reduce leakage during attachment and removal.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":48084537606302,"sku":"B0C5ZYKYP4","price":33.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/boltigen-front-view-dual-adapters.jpg?v=1785859042","url":"https:\/\/northtrailauto.ca\/products\/boltigen-r134a-to-r1234yf-adapter-kit-brass-high-low-side-quick-couplers-auto-close-seals","provider":"North Trail Auto","version":"1.0","type":"link"}