AC Retrofit Fitting Adapter Kit For R12 And R22 To R134A, Converts High And Low Ports From One Quarter Inch SAE To Seven Sixteenth Inch UNF, Easy Car Air Conditioning System Conversion
✔️ Kit includes blue low/high side quick couplers, caps, cores, tool
This AC retrofit fitting adapter kit converts older R12/R22 systems to R134A, commonly used by automotive technicians and DIYers when upgrading charging ports on classic cars and trucks.
This kit is designed to fit standard 1/4 inch SAE and 7/16-20 UNF ports on automotive A/C systems. Dimensions for the adapters are shown below.
| Adapter | Port size |
|---|---|
| Low Side Quick Coupler | 1/4" SAE or 7/16"-20 UNF, 13 mm (Blue) / 0.51 in |
| High Side Quick Coupler | 1/4" SAE or 7/16"-20 UNF, 16 mm (Red) / 0.63 in |
✅ Blue low side quick coupler for 1/4 SAE to 7/16-20 UNF
✅ Red high side quick coupler for 1/4 SAE to 7/16-20 UNF
✅ 13 mm blue protective cap
✅ 16 mm red protective cap
✅ 4 valve cores for R134A system
✅ 4 valve cores for R12/R22 system
✅ Valve cores tool
💡 What is a common question about AC retrofit fittings and adapters?
Handy information helps buyers understand when and why to use these adapters for automotive A/C upgrades.
- Converts older R12/R22 systems to R134A with compatible ports - Includes blue and red quick couplers, caps, cores, and tool - Helps seal leaks and restore cooling performance - Works with 1/4 in SAE and 7/16-20 UNF connections✝️