---
product_id: 153532540
title: "R12 to R134A Adapter, R12 R22 to R134A High/Low Fitting Port Retrofit 1/4’’ to 7/16\"-20 UNF Conversion Adapter, Fits for AC Air Conditioner Refrigerant"
brand: "aupoko"
price: "$21.59"
currency: USD
in_stock: true
category: "Aupoko"
url: https://www.desertcart.us/products/153532540-r12-to-r134a-adapter-r12-r22-to-r134a-high-low
store_origin: US
region: United States of America
---

# Tool-free, quick install with Schrader valves Universal 1/4'' to 7/16"-20 UNF retrofit Durable metal & heat-resistant plastic build R12 to R134A Adapter, R12 R22 to R134A High/Low Fitting Port Retrofit 1/4’’ to 7/16"-20 UNF Conversion Adapter, Fits for AC Air Conditioner Refrigerant

**Brand:** aupoko
**Price:** $21.59
**Availability:** ✅ In Stock

## Summary

> 🔄 Upgrade your AC game with effortless retrofit power!

## Quick Answers

- **What is this?** R12 to R134A Adapter, R12 R22 to R134A High/Low Fitting Port Retrofit 1/4’’ to 7/16"-20 UNF Conversion Adapter, Fits for AC Air Conditioner Refrigerant by aupoko
- **How much does it cost?** $21.59 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/153532540-r12-to-r134a-adapter-r12-r22-to-r134a-high-low)

## Best For

- aupoko enthusiasts

## Why This Product

- Trusted aupoko brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Crafted from premium metal and reinforced plastic to withstand high pressure and heat for reliable, long-term use.
- • **Precision Fit:** Standardized high/low side dimensions ensure secure, leak-proof connections every time.
- • **No Tools, No Hassle:** Quick, tool-free installation with built-in removable Schrader valves and protective caps to prevent leaks and dust.
- • **Seamless Compatibility:** Effortlessly converts R12/R22 ports to R134a standard fittings for all your AC retrofit needs.
- • **All-in-One Retrofit Kit:** Includes both high and low side couplers plus protective caps—everything you need in one sleek package.

## Overview

The R12 to R134A Adapter kit is a professional-grade retrofit solution designed to convert legacy R12/R22 AC refrigerant ports to modern R134a fittings. Featuring universal 1/4'' to 7/16"-20 UNF compatibility, durable metal and heat-resistant plastic construction, and tool-free installation with built-in Schrader valves, this 4-piece set ensures a secure, leak-proof connection for automotive and HVAC air conditioning systems. Perfect for managers and pros who demand efficiency and reliability in their maintenance toolkit.

## Description

Buy R12 to R134A Adapter, R12 R22 to R134A High/Low Fitting Port Retrofit 1/4’’ to 7/16"-20 UNF Conversion Adapter, Fits for AC Air Conditioner Refrigerant: Air Conditioning Line Repair Tools - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- WIDE COMPATIBILITY FOR AC SYSTEMS --- This R12 to R134a retrofit adapter kit perfectly replaces R12/R22 charging ports with R134a service ports, compatible with 1/4" SAE and 7/16"-20 UNF threaded ports, ideal for automotive air conditioning refrigerant conversion projects
- PREMIUM DURABLE CONSTRUCTION --- R12 to R134A retrofit fast conversion adapter kit are made of high‑grade metal and reinforced plastic, these conversion adapters feature solid, heat‑resistant build for long‑lasting use, enhanced safety, and stable performance under regular AC service pressure
- TOOL‑FREE QUICK INSTALLATION --- Directly thread onto service valves with built‑in removable Schrader valves; comes with plastic protective port caps for dust and leak prevention. Installation is fast, simple, and requires no extra tools
- STANDARD HIGH/LOW SIDE DIMENSIONS --- Low Side: 1/4" (7/16"-20) x 13 mm (Blue); High Side: 1/4" (7/16"-20) x 16 mm (Red). Converts legacy R12/R22 ports to accept standard R134a quick‑disconnect charging hoses securely
- COMPLETE RETROFIT KIT IN ONE PACK --- Includes 1pc x blue low‑side quick coupler, 1pc x red high‑side quick coupler, 1pc x 13mm blue cap, 1pc x 16mm red cap. All parts ready for full AC retrofit without additional purchases

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07SZKY6R1 |
| Best Sellers Rank | #16,136 in Automotive ( See Top 100 in Automotive ) #113 in Air Conditioning Line Repair Tools |
| Brand Name | Aupoko |
| Color | Blue, Red |
| Connector Type | Cap |
| Customer Reviews | 4.0 4.0 out of 5 stars (774) |
| Item Weight | 60 Grams |
| Manufacturer | Aupoko |
| Manufacturer Part Number | R12 to R134a Fitting Retrofit |
| Material Type | Metal, Plastic |
| Model Number | Aupoko |
| Number of Pieces | 4 |
| Set Name | R12 to R134A Conversion Adapter Set (4 Pcs) |
| Size | R12 to R134A Conversion Adapter (2 Pcs) |
| Thread Size | 7/16 to 20UNF |
| Thread Type | UNF |
| UPC | 606034661257 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** Aupoko
- **Color:** Blue, Red
- **Connector Type:** Cap
- **Item Weight:** 60 Grams
- **Manufacturer:** Aupoko
- **Material:** Metal, Plastic
- **Number of Pieces:** 4
- **Size:** R12 to R134A Conversion Adapter (2 Pcs)
- **Thread Size:** 7/16 to 20UNF
- **Thread Type:** UNF

## Images

![R12 to R134A Adapter, R12 R22 to R134A High/Low Fitting Port Retrofit 1/4’’ to 7/16"-20 UNF Conversion Adapter, Fits for AC Air Conditioner Refrigerant - Image 1](https://m.media-amazon.com/images/I/61MA8MP4qJL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: Do the existing schrader valves need to be removed or will the valve in these fittings push down to open the old valves simultaneously?**
A: The schrader valves needn't to be removed, and the valve in these fittings push down to open the old valves simultaneously.

**Q: The high side fitting is too big for my old port?**
A: Same here.  The 2 fittings are the same size and both fit the low  pressure port. This kit does not work.

**Q: Can anyone tell me if the low side port fits a .375 inch threaded r12 port?**
A: The high side fits perfectly but the low side is too big! Why is this not fitting? What is the resolution?

**Q: Does the valve push down the existing valve in the port when it’s screwed on? Or when r134a goes in?**
A: R12 to R134A retro fit fittings connect to the thread for use with the valve, there is a removable schrader valves., fitted with a plastic protective cover cap

## Frequently Bought Together

- R12 to R134A Adapter, R12 R22 to R134A High/Low Fitting Port Retrofit 1/4’’ to 7/16"-20 UNF Conversion Adapter, Fits for AC Air Conditioner Refrigerant
- Four Seasons (12721) R12 Service Valve Compressor A/C Fitting
- Four Seasons 12722 R12 Service Valve Compressor Air Conditioning Fitting

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-08*