{"product_id":"mastercool-standard-valve-core-20-pieces","title":"90377-20 — Standard valve core (20pcs)","description":"\u003ch2\u003eStandard Valve Cores — Pack of 20\u003c\/h2\u003e\u003cp\u003eProfessional-quality standard Schrader-type valve cores for 1\/4\" SAE service ports. Essential replacement parts for HVAC\/R technicians servicing automotive A\/C and refrigeration systems. High-quality construction ensures reliable sealing and long service life.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack of 20:\u003c\/strong\u003e Convenient quantity for workshop stock\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Schrader Type:\u003c\/strong\u003e Fits 1\/4\" SAE service ports\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional Quality:\u003c\/strong\u003e Reliable sealing and performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Quality Construction:\u003c\/strong\u003e Built to last\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEssential Spare Parts:\u003c\/strong\u003e Must-have for HVAC\/R service\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Works with most automotive and refrigeration systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 90377-20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Standard Schrader valve cores\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 20 pieces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e 1\/4\" SAE service ports\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Systems:\u003c\/strong\u003e Automotive A\/C, refrigeration, HVAC\/R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 90377-20\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\u003c\/li\u003e\n\u003cli\u003eRefrigeration system maintenance\u003c\/li\u003e\n\u003cli\u003eHVAC\/R service and repair\u003c\/li\u003e\n\u003cli\u003eValve core replacement\u003c\/li\u003e\n\u003cli\u003ePreventive maintenance\u003c\/li\u003e\n\u003cli\u003eWorkshop stock replenishment\u003c\/li\u003e\n\u003cli\u003eMobile service operations\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\u003cli\u003e\n\u003cstrong\u003eCost Effective:\u003c\/strong\u003e Inexpensive insurance against leaks\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eRelated Valve Core Products\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eValve Core Remover\/Installer Tools:\u003c\/strong\u003e\u003c\/p\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\u003cp\u003e\u003cstrong\u003eSpecialised Tools:\u003c\/strong\u003e\u003c\/p\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\u003cp\u003e\u003cstrong\u003eReplacement Parts:\u003c\/strong\u003e\u003c\/p\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\u003cp\u003e\u003cstrong\u003eValve Core Kits:\u003c\/strong\u003e\u003c\/p\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\u003ca href=\"\/products\/9673651781966\"\u003e91337 — R12\/R134a\/R1234yf Valve Core Repair Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/9673651585358\"\u003e90376 — Valve Core Removal Installation Kit 6 Cores\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eValve Cores:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\u003cstrong\u003e90377-20 — Standard Valve Core (20pcs) - This Product\u003c\/strong\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\u003eRefrigeration technicians\u003c\/li\u003e\n\u003cli\u003eProfessional service operations\u003c\/li\u003e\n\u003cli\u003eWorkshop stock replenishment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse Proper Tool:\u003c\/strong\u003e Always use a valve core remover\/installer tool\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevent Damage:\u003c\/strong\u003e Avoid damaging valve threads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProper Seating:\u003c\/strong\u003e Ensure cores are correctly installed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplace Regularly:\u003c\/strong\u003e Use fresh cores for each service\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eProfessional Quality:\u003c\/strong\u003e Standard Schrader-type valve cores for 1\/4\" SAE service ports. Pack of 20 high-quality replacement cores for automotive A\/C and refrigeration systems. Essential spare parts for HVAC\/R service operations.\u003c\/p\u003e","brand":"Mastercool","offers":[{"title":"Default Title","offer_id":57029581275513,"sku":"90377-20","price":10.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0158\/3481\/files\/Mastercool-Standard-Valve-Core-20-Pieces-Ryan-Air-Conditioning-Spares-68945201398135.jpg?v=1775889429","url":"https:\/\/www.airconspares.com\/products\/mastercool-standard-valve-core-20-pieces","provider":"Airconspares.com","version":"1.0","type":"link"}