{"product_id":"mastercool-r12-r134a-valve-core-repair-kit","title":"Mastercool 91337 R12\/R134a Valve Core Repair Kit","description":"\u003ch2\u003eR12\/R134a\/R1234yf Valve Core Repair Kit\u003c\/h2\u003e\u003cp\u003eComprehensive valve core repair kit for R12, R134a, and R1234yf refrigerant systems. This professional kit includes 50 replacement valve cores covering all common valve types plus a valve core remover\/installer tool. Essential for HVAC\/R technicians servicing automotive and refrigeration systems.\u003c\/p\u003e\u003ch3\u003eKit Contents\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e0377-001:\u003c\/strong\u003e Standard Access Valve Core R12\/R134a\/R1234yf (20 pcs)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0378-001:\u003c\/strong\u003e GM Large Bore Valve Core R12\/R134a\/R1234yf (10 pcs)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0531-001:\u003c\/strong\u003e R134a\/R1234yf JRA High\/Low Import Valve Core M6 (10 pcs)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0769-001:\u003c\/strong\u003e R134a\/R1234yf Domestic Eaton SSV High Flow Valve Core M10 (5 pcs)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0768-001:\u003c\/strong\u003e R134a\/R1234yf Domestic Eaton SSV High Flow Valve Core M8 (5 pcs)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e81290:\u003c\/strong\u003e R12\/R134a\/R1234yf Valve Core Remover\/Installer (1 pc)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Kit:\u003c\/strong\u003e 50 valve cores plus remover\/installer tool\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Refrigerant:\u003c\/strong\u003e Compatible with R12, R134a, and R1234yf\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive Coverage:\u003c\/strong\u003e Standard, GM large bore, import, and Eaton SSV types\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional Quality:\u003c\/strong\u003e Genuine Mastercool replacement parts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReady to Use:\u003c\/strong\u003e Everything needed for valve core service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e 91337\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Valve core repair kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Refrigerants:\u003c\/strong\u003e R12, R134a, R1234yf\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Valve Cores:\u003c\/strong\u003e 50 pieces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Core Types:\u003c\/strong\u003e Standard, GM large bore, JRA import M6, Eaton SSV M10, Eaton SSV M8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool Included:\u003c\/strong\u003e Valve core remover\/installer (81290)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 91337\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHS Code:\u003c\/strong\u003e 84818099\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAutomotive A\/C service (R12, R134a, R1234yf)\u003c\/li\u003e\n\u003cli\u003eRefrigeration system maintenance\u003c\/li\u003e\n\u003cli\u003eValve core replacement and repair\u003c\/li\u003e\n\u003cli\u003eGM vehicles (large bore cores)\u003c\/li\u003e\n\u003cli\u003eImport vehicles (JRA M6 cores)\u003c\/li\u003e\n\u003cli\u003eDomestic vehicles with Eaton SSV valves\u003c\/li\u003e\n\u003cli\u003eMobile service operations\u003c\/li\u003e\n\u003cli\u003eWorkshop environments\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Replace Valve Cores?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeaking Valves:\u003c\/strong\u003e Worn cores cause refrigerant loss\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePreventive Maintenance:\u003c\/strong\u003e Replace during system service\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContamination:\u003c\/strong\u003e Damaged cores can introduce debris\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Integrity:\u003c\/strong\u003e Fresh cores ensure proper sealing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional Standard:\u003c\/strong\u003e Replace rather than reuse\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eRelated Valve Core Products\u003c\/h3\u003e\u003ch3\u003eMaster Kits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/10851800973646\"\u003e58490 — Universal R12\/R134a Valve Core Master Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/9673652535630\"\u003e58490-YF — Universal R1234yf Valve Core Master Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e91337 — R12\/R134a\/R1234yf Valve Core Repair Kit - This Product\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eValve Core Remover\/Installer Tools\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/9673651847502\"\u003e91490 — Standard Valve Core Remover Installer Tool\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/9673651880270\"\u003e91496 — Valve Core Remover Tool HVAC Service\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/9673651913038\"\u003e91498 — Universal Valve Core Remover Installer R410A\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecialised Tools\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/10830599225678\"\u003e58490-378 — GM Large Bore Valve Core Remover Tool\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/10830599258446\"\u003e58490-768 — Eaton R134a Low Side Valve Core Tool\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReplacement Parts\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"\/products\/10830618034510\"\u003e91490-K — Replacement Tip \u0026amp; Pin for 91490\/6\/8\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eValve Cores\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"\/products\/9673651618126\"\u003e90377-20 — Standard Valve Core (20pcs)\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eInstallation Kits\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"\/products\/9673651585358\"\u003e90376 — Valve Core Removal Installation Kit 6 Cores\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003ePerfect For\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHVAC\/R service technicians\u003c\/li\u003e\n\u003cli\u003eAutomotive A\/C specialists\u003c\/li\u003e\n\u003cli\u003eMobile service operators\u003c\/li\u003e\n\u003cli\u003eWorkshop environments\u003c\/li\u003e\n\u003cli\u003eTechnicians servicing multiple vehicle types\u003c\/li\u003e\n\u003cli\u003eR1234yf system service\u003c\/li\u003e\n\u003cli\u003eR134a system maintenance\u003c\/li\u003e\n\u003cli\u003eR12 legacy system service\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eProfessional Quality:\u003c\/strong\u003e Mastercool valve core repair kit provides comprehensive coverage for R12, R134a, and R1234yf systems with 50 replacement cores covering standard, GM large bore, JRA import, and Eaton SSV types, plus a valve core remover\/installer tool for complete valve core service capability.\u003c\/p\u003e","brand":"Mastercool","offers":[{"title":"Default Title","offer_id":57029583470969,"sku":"91337","price":61.77,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0158\/3481\/files\/Mastercool-R12-R134a-Valve-Core-Repair-Kit-Ryan-Air-Conditioning-Spares-68945204052343.jpg?v=1775889456","url":"https:\/\/www.airconspares.com\/products\/mastercool-r12-r134a-valve-core-repair-kit","provider":"Airconspares.com","version":"1.0","type":"link"}