Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
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For more information, visit www.P65Warnings.ca.gov.
Replace R134a Valve Cores Without Discharging the SystemThe 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.Comprehensive Coverage for Standard, JRA, and Eaton CoresThis 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.All-In-One Kit for ProfessionalsThe 58490 includes everything technicians need: R134a high and low side connectors, interchangeable shafts, and precision adapters-all stored in a durable molded case.Whats Included: Valve core remover/installer with shutoff valve R134a high side (16mm) connector R134a low side (13mm) connector 1/4 FL swivel connector Standard valve core shaft GM large bore valve core shaft JRA valve core shaft Eaton low side valve core shaft (8mm) Eaton high side valve core shaft (10mm) High side GM/Ford adapter fittings Molded carrying caseTrusted Quality and U.S.-Based SupportMastercool 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.
Yes, we offer free standard shipping on all orders within the United States.
When will I receive my item?
Domestic orders typically arrive within 3-5 business days. Delivery times are estimated and may vary depending on your location, weather conditions, or other unforeseen factors.
Can I change or return my item?
We hope you love your purchase, but if you need to make a change or return your item, we’ve got you covered! You can initiate a return or exchange within 30 days of receiving your order. Please ensure the product is in its original condition and packaging. For more information on our return policy, please visit our Returns & Exchanges page.