Do the existing schrader valves need to be removed or will the valve in these fittings push down to open the old valves simultaneously?

The schrader valves needn't to be removed, and the valve in these fittings push down to open the old valves simultaneously.

The high side fitting is too big for my old port?

Same here. The 2 fittings are the same size and both fit the low pressure port. This kit does not work.

Can anyone tell me if the low side port fits a .375 inch threaded r12 port?

The high side fits perfectly but the low side is too big! Why is this not fitting? What is the resolution?

Does the valve push down the existing valve in the port when it’s screwed on? Or when r134a goes in?

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

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R12 to R134A AC Retrofit Fitting Adapter Kit, R12 R22 to R134A High/Low Fitting Port Retrofit 1/4’’ to 7/16"-20 UNF Conversion Adapter for AC Air Conditioner Refrigerant

Product ID: 429991899

Details

Brand
Aupoko
Colour
Red
Connector type
Adapter Cap
Exterior finish
Stainless
Item weight
60 Grams
Material
Metal Plastic

⚡Quick, tool-free retrofit installation

🔥High heat resistant metal & plastic build

🔧1/4’’ to 7/16"-20 UNF thread conversion

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4426 som

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In stock

Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

❄️ Upgrade your AC game with seamless retrofit power!

PRECISION FIT - Color-coded low (blue) and high (red) side adapters guarantee perfect port matching
DURABLE CONSTRUCTION - Premium metal and plastic materials ensure long-lasting heat resistance and safety
COMPLETE RETROFIT KIT - Includes all essential adapters and caps to upgrade your AC system with confidence
EFFORTLESS INSTALLATION - Removable Schrader valves and protective caps enable fast, no-fuss setup
UNIVERSAL COMPATIBILITY - Seamlessly converts R12/R22 ports to R134A for modern AC servicing

The Aupoko R12 to R134A AC Retrofit Fitting Adapter Kit offers a professional-grade solution to convert older R12 and R22 air conditioning ports to the modern R134A standard. Featuring durable metal and plastic construction for high heat resistance, this kit includes color-coded high and low side adapters with removable Schrader valves and protective caps. Designed for quick, tool-free installation, it ensures compatibility with 1/4’’ SAE and 7/16"-20 UNF threads, making it an essential upgrade for efficient AC servicing.

Specifications

ASIN	B07SZKY6R1
Best Sellers Rank	101,831 in Automotive ( See Top 100 in Automotive ) 118 in Car Air Conditioning Tools & Equipment
Brand	Aupoko
Colour	Red
Connector Type	Adapter, Cap
Country of Origin	China
Customer Reviews	4.2 4.2 out of 5 stars (728)
Exterior Finish	Stainless Steel
Item Weight	60 Grams
Manufacturer	Aupoko
Material	Metal, Plastic
Model Number	Aupoko
Number of Pieces	4
Size	0.25 tum
Thread Size	1/4'' (7/16''-20 UNF)
Thread Type	UNF
UPC	606034661257
Unit Count	1.0 Count

Reviews

C**D

Fit for purpose

Spot on aircon here we come

18.09.2025

L**A

Perfect

Fitted perfect ,was able to get AC fill no issue

12.06.2025

R**O

Adattatori buoni

24.11.2025

E**Z

Funcionó pero se dañó en la primera

20.05.2022

A**R

Attention ! Ne convient pas a un valve de climatisation r12! Diametre de la valve r12 9.1mm et de l adaptateur fourni 10.2 mm si le vendeur avait informer des dimensions j aurais su que c etait pas une arnaque!!!!

11.07.2025

V**A

FITS PERFECT...THANK YOU

9.12.2025

F**I

Macht das was es soll

14.09.2025

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Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

4426 som

Duties & taxes included

In stock

Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Kyrgyzstan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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