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Mastercool 58490-YF R1234yf Valve Core Remover/Installer Kit – Services Standard Valve Cores Under Pressure – Includes 17mm & 14mm R1234yf Fittings and Storage Case by Mastercool - Used condition

Mastercool 58490-YF R1234yf Valve Core Remover/Installer Kit – Services Standard Valve Cores Under Pressure – Includes 17mm & 14mm R1234yf Fittings and Storage Case

Brand: Mastercool

Condition: Used
$7758
$10390
-26% Save $2632
Updated: 2 days ago
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Description

✔️ DESIGNED FOR R1234YF SYSTEMS – Safely remove and replace valve cores while the system remains pressurized using included 14mm and 17mm service port connectors.

✔️ WORKS UNDER PRESSURE – Built-in stainless steel ball valve and internal shutoff system allow core servicing without refrigerant loss.

✔️ FITS STANDARD VALVE CORES – Compatible with standard cores used in R1234yf systems (same internal core dimensions as R134a).

✔️ PRECISION CONNECTIONS FOR R1234YF PORTS – Includes correct high side (17mm) and low side (14mm) connectors required for R1234yf service ports.

✔️ COMPACT AND DURABLE – Rugged brass body, stainless steel components, and hardened steel shafts built for professional shop environments.

✔️ MOLDED STORAGE CASE INCLUDED – Keeps all adapters and shafts protected and organized.

✔️ TECHNICIAN-TRUSTED DESIGN – Based on patented technology originally developed by Mastercool, a U.S.-based industry leader in automotive A/C tools.

✔️ QUALITY YOU CAN COUNT ON – Backed by over 40 years of engineering and responsive U.S.-based customer support.

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Product Details

SKU:
awhd-us-b07pdh1bdt
Model:
Universal R1234yf Kit
Country:
US
ASIN:
B07PDH1BDT
GTIN:
00700376122527
UPC:
700376122527

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Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $26 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
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