Description
Product Overview
The Yaocom R12 to R134a conversion kit is engineered for automotive technicians who need a reliable, durable solution to upgrade legacy AC systems. Crafted from high‑grade copper, the low‑side and high‑side adapters feature precise 1/4″ (7/16″‑20) threading, ensuring a perfect fit on existing SAE ports. The kit also includes five low‑side dust caps, five high‑side dust caps, five R12 valve cores, five R134a valve cores, a valve core remover, seal rings, thimble, and 20 feet of reinforced R134a hose, providing a complete retrofit package.
Usage
Designed for cars, trucks, and SUVs equipped with original R12 or R22 charging ports, this kit simplifies the conversion process in both workshop and field environments. Ideal for DIY enthusiasts and professional service centers, the adapters can be installed on 1/4″ SAE or 7/16″‑20 UNF ports, making the transition to environmentally friendly R134a refrigerant straightforward. 
Why Choose Us
Yaocom combines robust copper construction with precision engineering to deliver longevity and leak‑free performance. Each component undergoes strict quality control, guaranteeing compatibility and durability under high pressure and temperature conditions. Our comprehensive set eliminates the need for additional purchases, reducing downtime and overall conversion cost.
Key Features
- High‑quality copper adapters for superior thermal conductivity and corrosion resistance
- Accurate 1/4″ (7/16″‑20) threading for seamless fit on standard SAE ports
- Complete retrofit package: adapters, valve cores, dust caps, hose, and tools
- Broad compatibility with R12, R22, and R134a systems in cars, trucks, and SUVs
- Designed for both DIY and professional installations with easy‑to‑follow instructions
FAQ
Can this kit be used on both R12 and R22 systems?
Yes, the adapters are compatible with 1/4″ SAE or 7/16″‑20 UNF ports commonly found on both R12 and R22 charging ports, allowing a straightforward conversion to R134a.
What tools are required for installation?
The kit includes a valve core remover and thimble; standard wrenches and a torque wrench are sufficient for securing the adapters.
Is the copper material safe for high‑pressure refrigerant cycles?
Absolutely. Copper offers excellent strength and thermal conductivity, ensuring reliable performance under the pressures typical of R134a systems.
How many dust caps are included and what are they for?
The set provides five low‑side and five high‑side dust caps to protect the adapters and valve cores from contamination when the system is not in use.
Will this conversion affect the vehicle’s warranty?
Conversion may impact the original manufacturer’s warranty on the AC system; we recommend consulting the vehicle’s warranty terms before proceeding.





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