Mastercool 81290 Valve Core Remover & Installer – Double-Ended Tool for R12/R134a Standard, JRA, and Eaton Large Bore Valve Cores
Price: $259.99 - $14.18
(as of Jul 07, 2025 00:37:27 UTC – Details)
Versatile Valve Core Tool for R12 and R134a Systems
The Mastercool 81290 Valve Core Remover & Installer is a compact, dual-ended tool designed to service R12 and R134a systems when not under pressure. This versatile tool features hardened steel shafts to handle Standard, JRA, and Eaton large bore valve cores, giving technicians broad compatibility in a single, pocket-sized tool.
It’s the perfect solution for system recovery, repair, or retrofit tasks where refrigerant has already been evacuated. Built with a durable steel body and precision-fit shafts, the 81290 is a technician favorite for quick valve core servicing.
What’s Included:
- Dual-ended valve core remover/installer tool
- Hardened steel shafts for Standard, JRA, and Eaton large bore cores
✔️ Compact Tool for R12 and R134a Valve Cores – Designed for use when the system is not pressurized.
✔️ Covers Standard, JRA, and Eaton Large Bore Cores – Dual-ended shafts provide maximum compatibility in one tool.
✔️ Simple, Fast Valve Core Service – Ideal for use during system evacuation, recovery, or repair.
✔️ Durable Construction – Hardened steel shafts and solid steel body ensure long-lasting use.
✔️ Easy to Store and Carry – Pocket-sized tool that fits easily in any kit or toolbox.
Customers say
Customers find the valve core remover works well for air conditioning repairs and appreciate its build quality, with one noting its strong knurled knob and dual size ends. The tool handles both sizes of Schrader valves, fits in pockets, and is easy to use. They consider it good value for money, with one mentioning it helped repair their AC for less than $20.
