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
⚠️ California Proposition 65 Warning : Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
Replace R1234yf Valve Cores Without Discharging the SystemThe Mastercool 58490-YF Valve Core Remover/Installer Kit is built specifically for R1234yf automotive A/C systems. Featuring a shutoff valve and precision-engineered 14mm and 17mm R1234yf service port connectors, it allows technicians to remove and replace valve cores while the system is fully charged-saving time and reducing refrigerant loss.For Standard Valve Cores in R1234yf PortsThis kit is compatible with standard valve cores (0.210-36), the same internal cores used in both R134a and R1234yf systems. However, it includes the correct R1234yf service port fittings required to safely connect to newer vehicle platforms.Durable, Professional-Grade ToolBuilt with a stainless steel ball valve, brass body, and hardened steel shafts, the 58490-YF is a reliable, technician-grade tool for shop or mobile use.Whats Included: Valve core remover/installer with internal shutoff 17mm high side R1234yf service port connector 14mm low side R1234yf service port connector Standard valve core shaft GM large bore valve core shaft Eaton high side valve core shaft Durable molded storage caseMastercool Quality & U.S.-Based SupportWith over 40 years of expertise in A/C tools, Mastercool builds its equipment for professionals. This tool is based on our original patented technology and supported by responsive, U.S.-based technical 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.
