{"product_id":"mastercool-58490-universal-remover-installer-4w260824miwbg3gp","title":"Mastercool 58490 R134a Valve Core Remover\/Installer Kit – Works Under Pressure – Covers Standard, JRA, Eaton Cores – Includes Shafts, Adapters, R134a Fittings \u0026 Case","description":"\u003cp\u003e\u003cspan\u003eReplace R134a Valve Cores Without Discharging the System\u003c\/span\u003e\u003cspan\u003eThe Mastercool 58490 Valve Core Remover\/Installer Kit allows technicians to remove and install valve cores while the system remains pressurized—saving time and preventing refrigerant loss. Designed for R134a systems, this tool includes high and low side connectors and a patented shutoff valve for safe service under pressure.\u003c\/span\u003e\u003cspan\u003eComprehensive Coverage for Standard, JRA, and Eaton Cores\u003c\/span\u003e\u003cspan\u003eThis professional-grade kit is compatible with standard (0.210-36), JRA (M6 x 0.75), and Eaton-style (M8 and M10) valve cores used in most R134a automotive systems. It includes multiple core shafts and port adapters to support a wide range of vehicle platforms.\u003c\/span\u003e\u003cspan\u003eAll-In-One Kit for Professionals\u003c\/span\u003e\u003cspan\u003eThe 58490 includes everything technicians need: R134a high and low side connectors, interchangeable shafts, and precision adapters—all stored in a durable molded case.\u003c\/span\u003e\u003cspan\u003eWhat's Included:\u003c\/span\u003e\u003cspan\u003eTrusted Quality and U.S.-Based Support\u003c\/span\u003e\u003cspan\u003eMastercool has been a leader in A\/C tools for over 40 years. This tool is built on our original patented technology and backed by responsive, U.S.-based customer support.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003eAdditional details\u003c\/p\u003e\u003cul\u003e\u003cli\u003eMaterial Type : Stainless Steel\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eFeatures \u0026amp; Specs\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConnector Type : National Pipe Tapered\u003c\/li\u003e\n\u003cli\u003eExterior Finish : Stainless Steel\u003c\/li\u003e\n\u003cli\u003eInlet Connection Type : National Pipe Tapered\u003c\/li\u003e\n\u003cli\u003eNumber of Ports : 2\u003c\/li\u003e\n\u003cli\u003eOutlet Connection Type : National Pipe Tapered\u003c\/li\u003e\n\u003cli\u003eThread Size : 8mm, 10mm\u003c\/li\u003e\n\u003cli\u003eThread Type : 8mm \u0026amp; 10mm\u003c\/li\u003e\n\u003cli\u003eValve Type : Ball Valve\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eItem details\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eASIN : B00069V310\u003c\/li\u003e\n\u003cli\u003eBrand Name : Mastercool\u003c\/li\u003e\n\u003cli\u003eGlobal Trade Identification Number : 00700376584905\u003c\/li\u003e\n\u003cli\u003eIncluded Components : National Pipe Tapered\u003c\/li\u003e\n\u003cli\u003eItem Type Name : Test Tool\u003c\/li\u003e\n\u003cli\u003eItem Weight : 1.32 Kilograms\u003c\/li\u003e\n\u003cli\u003eManufacturer : Mastercool\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number : 58490\u003c\/li\u003e\n\u003cli\u003eManufacturer Warranty Description : 1 year\u003c\/li\u003e\n\u003cli\u003eModel Number : Universal R134a \u0026amp; R12 Kit\u003c\/li\u003e\n\u003cli\u003eSet Name : Valve Core Service Kit\u003c\/li\u003e\n\u003cli\u003eUPC : 700376584905\u003c\/li\u003e\n\u003cli\u003eUnit Count : 1.0 Count\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMeasurements\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInlet Connection Size : 13 Millimeters\u003c\/li\u003e\n\u003cli\u003eItem Weight : 1.32 Kilograms\u003c\/li\u003e\n\u003cli\u003eOutlet Connection Size : 16 Millimeters\u003c\/li\u003e\n\u003cli\u003eSize : 1-8\/9 in x 7-2\/5 in x 10-3\/5 in\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUser guide\u003c\/p\u003e\u003cul\u003e\u003cli\u003eSpecification Met : UL\u003c\/li\u003e\u003c\/ul\u003e","brand":"Mastercool","offers":[{"title":"Universal R134a \u0026 R12 Kit","offer_id":53822215127323,"sku":"4W260824MIWBG3GP","price":70.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/4744\/3227\/files\/71sBlj4y7bL._AC_SL1119.jpg?v=1787743366","url":"https:\/\/islaulian.com\/products\/mastercool-58490-universal-remover-installer-4w260824miwbg3gp","provider":"Islaulian","version":"1.0","type":"link"}