The Best R12 To R134A Conversion Kits of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best R12 To R134A Conversion Kits of 2022. Check our ranking below.

2,371 Reviews Scanned

Rank No. #1

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,Fits for AC Air Conditioner Refrigerant

【A/C Adapter】 - The AC fitting port adapter retrofit r12 to r134a is completely used to replace R12 R22 with R134A charging port 1/4" SAE or 7/16”-20UNF adapter, perfect air conditioning conversion adapter kit.
【PREMIUM QUALITY】 - R12 to R134A retrofit fast conversion adapter kit are made of high quality metal and plastic, solid construction for high heat resistance, durability and safety.
【A/C VALVE CORES】-Applies to the replacement refrigerant valve core leak.These accessories can bear the oil, bear the impact, bear the corrosion, watertightness
【DIMENSION】 - These Low/High side retrofits/adapters/fittings will convert your old 1/4’’ SAE or 7/16"-20 UNF R12 R22 charging port and make it accept the R134a quick disconnect hose. Low Side, 1/4’’(7/16’’- 20) x 13 mm (Blue). High Side, 1/4’’(7/16’’- 20) x 16 mm (Red).
【PACKAGE INCLUDES】- 1 Pcs x Blue Low Side Quick Coupler, 1 Pcs x Red High Side Quick Coupler ,1Pcs Valve Core Remover,2Pcs Seal Caps,4Pcs R12 Valve Cores,2Pcs R134a Valve Cores.

Rank No. #2

Taiss 11PCS R12 to R134A Conversion Kit,R12 R22 to R134A High/Low Fittings Port with 1/4’’to 7/16"-20 UNF Connection,AC Retrofit Fitting Adapter Kit for AC Air Conditioner Refrigerant System

Low/High side r12 to r134a convert adapter can convert your old 1/4’’ SAE or 7/16"-20 UNF R12 R22 charging port for fiting R134a quick disconnect hose.
Size：High Side, 1/4’’(7/16’’- 20) x 16 mm (Red). Low Side, 1/4’’(7/16’’- 20) x 13 mm (Blue).
Material:The r12 to r134a adapter fittings are made of metal and plastic,and the solid structure has high heat resistance,durability and safety.
A/C valve core:These Air Conditioning Valve Core Accessories Kit,exquisite in workmanship,corrosion-resistant,oil-resistant,impact-resistant and waterproof.
Product packaging:4Pcs R12 Valve Cores,2Pcs R134a Valve Cores；1 Pcs High Side Quick Coupler;1 Pcs x Low Side Quick Coupler;1pcs valve core removal tool;2Pcs Seal Caps；2Pcs seal ring.

Rank No. #3

R12 to R134a Conversion Kit, 1Pair R12 to R134a Convert Adapters, R12 to R134A AC Retrofit Fitting Adapter Kit, R12 to R134a Adapter Fittings, Fits for Car AC Air Conditioner Refrigerant System

【Convert R12 R22 to R134a】The Boltigen AC fitting port retrofit adapter can help you replace your old r12 r22 service port with r134a service port to meet your need. Ideal air conditioning conversion adapter kit.
【Dimension】The Boltigen Low/High pressure side retrofit adapters will convert your old 1/4'' SAE or 7/16"-20 UNF R12 R22 charging port and make it accept the R134a quick disconnect hose. Low Side, 1/4'' (7/16''- 20) x 13 mm (Blue). High Side, 1/4'' (7/16''- 20) x 16 mm (Red).
【Excellent Sealing】The Boltigen r12 to r134a adapters built-in green O-rings, and Valve Core, for ensuring a complete hermetic seal. And the extral valve core removal tool can help you install or remove valve core according to your needs
【Brass Material】The Boltigen r12 to r134a retrofit adapters are made of high quality brass,surface chrome plating with resistant to corrosion, and durable advantages
【Customer Service】The Boltigen r12 to r134a adapter fittings have 6 months warranty, great friendly 24/7 customer service, any question about the Boltigen r12 to r134a conversion kit, please let us know first time

Rank No. #4

Yaocom R12 to R134A AC Fitting Conversion Adapter Kit, Quick Coupler Valve A/C 90° Port Retrofit Adapter High/Low Pressure with Valve Core Remover for AC Air Conditioner Refrigerant (Gold Silver)

R12 to R134A Conversion Kit: you will get 1 x 90° low side R12 to R134A convert adapter, 1 x 90° high side retrofit adapter, 1 x low pressure side AC fitting port retrofit adapter, 1 x high pressure side AC fitting port retrofit adapter, both fitted with a dust cap; Besides, with 2 x valve core removal tools, easy and fast to install
Quality and Sturdy Material: the 90° R12 to R134A AC fitting adapter kit is mainly made of quality brass material, and the straight type convert adapter is mainly made of aluminium alloy, they feature good sealing property and heat resisting property, sturdy and not easy to rust, and the leak proof design is reliable to use
Good Compatibility: the high/low pressure R12 to R134A retrofit kit is compatible with 1/4'' female to 7/16"-20 UNF connection, and accept R134A quick disconnect hose
Suitable Size: the low side (blue cap) is 1/4'' (7/16''-20) x 13 mm, and the high side (red cap) is 1/4'' (7/16''-20) x 16 mm, proper size to easily install, saving your energy
Practical Use: 2 pieces of 90°AC fitting port retrofit adapter and 2 pieces of straight type AC fitting port retrofit adapter can be widely applied for most occasions, ideal for your AC air conditioner refrigerant; And there are equipped with valve core removal tools, which make it easy for you to remove the valve core

Rank No. #5

Yaocom 8 Pcs R12 to R134a Conversion Kit 90° High and Low Side R12 to R134a Retrofit Adapter Fittings High/Low Pressure Retrofit Valve Fittings with Dust Cap for Car AC Refrigerant System

Sufficient Quantity: you will receive 1 piece of 90°low side R12 to R134a convert adapter with dust cap, 1 piece of 90°high side retrofit adapter with dust cap, 3 pieces of low pressure side retrofit adapters with dust caps, 3 pieces of high pressure side retrofit adapters with dust caps
Quality Material: our 90° R12 to R134a retrofit adapter fittings are made of brass material that won't wear out or rust over time, sturdy and long lasting; Straight AC fitting port retrofit adapter is made of aluminum alloy material, sturdy construction, high heat resistance, corrosion resistant, rust resistant, safe, and efficient
Thread Size: the low side R12 to R134a conversion adapter is about 1/4''(7/16''-20) x 13 mm (blue cap); High side R12 to R134a conversion adapter is about 1/4'' (7/16''-20) x 16 mm (red cap); Easy to be installed, time saving and effort saving
Good Compatibility: these low/high side adapters will convert your old 1/4" SAE or 7/16''- 20UNF R12 R22 charging port and make it accept the R134a quick disconnect hose, bring you more convenient for replacement
Practical Kit: the kit is equipped with 2 pcs 90° R12 to R134a retrofit adapter fittings and 6 straight type AC fitting port retrofit adapters for you to choose to use in different situations, designed to allow you to complete your work in any scenario, is the ideal air conditioner conversion adapter kit

Rank No. #6

Mtsooning R12 R22 to R134A Conversion Adapter Kit, R12 R22 to R134A High/Low Fitting Port with 1/4'' Female to 7/16"-20 UNF Connection Fits for AC Air Conditioner

Premium Quality:Our R12 to R134a Retrofit Fast Conversion Adapter Kits are made from premium metal and resilient plastic materials, ensuring robust build quality that withstands high temperatures, guarantees longevity, and prioritizes safety
Simple Installation: The R12 to R134A retrofit adapter is easy to use– they screw onto the valve threads and include a removable Schrader valve. They also come with a plastic safety cap for protection, making installation fast and hassle-free
Wide Compatibility:This AC fitting adapter kit is designed to replace R12 R22 with R134A charging port 1/4" SAE or 7/16”-20UNF adapter. This choice of superior components provides an edge in durability, promising consistent, reliable performance for your vehicle
Thread sizes: The low-side R12 to R134a adapter is 1/4''(7/16''-20) to 13mm (Blue), while the high-side adapter is 1/4''(7/16''-20) to 16mm (Red). Both are easy to install, saving you time and effort
Package Includes: 1 Pc x Blue Low Side Quick Coupler. 1 Pc x Red High Side Quick Coupler. 1 Pc x 13mm Blue Cap. 1 Pc x 16mm Red Cap,5Pcs x Valve Cores for R134A System. 5Pcs x Valve Cores for R12, R22 System. 1Pc x Valve Cores Tool

Rank No. #7

CANIPHA 17 Pcs Air Conditioning Valve Core Kit, R12 to R134a Conversion Kit R134a Valve Core A/C Refrigeration System, AC Valve Kit AC Valve Core Removal Tool AC Service Port Seal Cap Valve Kit

【Accessory Function】 This ac valve core kit is suitable for R12 and R134a air conditioning accessories, applies to the replacement leakage of the refrigerant valve core, repairs the faulty air-conditioning system, and restores the use of car and home air-conditioning refrigeration.
【High Quality Material】 Our air conditioning valve core is made of high-quality brass and aluminum materials, rugged and impact-resistant, rustproof and unbreakable, with no leakage during use, and ac valve kit adopts high-quality accessory that can be used for a long time.
【Easy To Carry】 AC valve core removal tool is equipped with fully functional parts, this ac valve core tool allows you to easily replace and repair everything you need for automobile air conditioners without the need for a bulky and heavy toolbox convenient to store and use.
【Wide Applications】 Our ac valve kit is for most vehicles with R134a AC systems. You can use the high/low side service valve to replace the faulty original valve on your automobiles matching all the sealing parts you need.
【What You Will Get】 You will get r12 to r134a conversion kit, the package contains 4pcs R134a valve core, 4pcs R12 valve core, 4pcs AC service port seal caps, 1pcs high-side air conditioner service valve, 1pcs low-side air conditioner service valve, 1pcs double-ended valve core removal tool, 1pcs Buick big valve core, 1pcs Buick small valve core. If you are Unsatisfied with the product you received, please tell us, and we will solve the problem for you as soon as possible.

Rank No. #8

VOTNMIC R12 to R134A AC Retrofit Fitting Adapter Kit, Brass R12 R22 to R134A High/Low Fitting Port Retrofit 1/4’’ to 7/16"-20 UNF Conversion Adapter (90° Angled High and Low Side Conversion Kit)

【WIDE COMPATIBLITY】 - Professional grade retrofit valve adaptor for automotive air conditioning systems converting from R-12 to R-134A.The AC fitting port adapter retrofit r12 to r134a is completely used to replace R12 R22 with R134A charging port 1/4" SAE or 7/16”-20UNF adapter, perfect air conditioning conversion adapter kit.
【PREMIUM QUALITY】 - R12 to R134A retrofit fast conversion adapter kit are made of high quality Brass, solid construction for high heat resistance, durability and safety.
【EASY INSTALLATION】 - 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, easy and fast installation.
【DIMENSION】 - These Low/High side retrofits/adapters/fittings will convert your old 1/4’’ SAE or 7/16"-20 UNF R12 R22 charging port and make it accept the R134a quick disconnect hose. Low Side, 1/4’’(7/16’’- 20) x 13 mm (Blue). High Side, 1/4’’(7/16’’- 20) x 16 mm (Red).
Package Includes: 1 Pc x Blue Low Side Quick Coupler. 1 Pc x Red High Side Quick Coupler. 1 Pc x 13mm Blue Cap. 1 Pc x 16mm Red Cap,4Pcs x Valve Cores for R134A System. 4Pcs x Valve Cores for R12, R22 System. 1Pc x Valve Cores Tool.oning Seal Repair Kit

Rank No. #9

FANOVO R12 to R134a Conversion Kit, High & Low Pressure Side R12 to R134a Adapter, Brass R12 Retrofit Adapter Fitting with 1/4'' Female to 7/16"-20 UNF Connection, for Car R12 Convert to R134a System

【R12 to R134a Conversion Kit】The FANOVO r12 to r134a auto conversion kit comes with 1pcs r12 to r134a high side adapter, 1pcs r12 to r134a low side adapter, 1pcs valve core removal tool
【Great R12 to R134a Convert Adapter】The FANOVO low/high side r12 to r134a convert adapter can convert your old 1/4'' SAE or 7/16"-20 UNF R12 R22 charging port for fiting r134a quick charge hose, nice tool for automotive air conditioning refrigerant systems
【Size Description】Low side r12 to r134a conversion adapter: 1/4''(7/16''- 20) x 13 mm (Blue); High side r12 to r134a conversion adapter: 1/4''(7/16''- 20) x 16 mm (Red)
【Premium Brass Material】The FANOVO r12 to r134a retrofit adapters are made of high quality brass material,with excellent sealing, corrosion-resistant, solid and durable feature
【Wide Application】The FANOVO air conditioning conversion adapter kit is completely used for replacing r12 r22 with r134a charging port 1/4" SAE or 7/16'' - 20UNF adapter. It's a ideal air conditioning conversion adapter kit for repairman

Rank No. #10

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, Fits for AC Air Conditioner (A/C Adapter Valve Core Kit)

【WIDE COMPATIBLITY】 - The AC fitting port adapter retrofit r12 to r134a is completely used to replace R12 R22 with R134A charging port 1/4" SAE or 7/16”-20UNF adapter, perfect air conditioning conversion adapter kit.
【PREMIUM QUALITY】 - R12 to R134A retrofit fast conversion adapter kit are made of high quality metal and plastic, solid construction for high heat resistance, durability and safety.
【EASY INSTALLATION】 - 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, easy and fast installation.
【DIMENSION】 - These Low/High side retrofits/adapters/fittings will convert your old 1/4’’ SAE or 7/16"-20 UNF R12 R22 charging port and make it accept the R134a quick disconnect hose. Low Side, 1/4’’(7/16’’- 20) x 13 mm (Blue). High Side, 1/4’’(7/16’’- 20) x 16 mm (Red).
Package Includes: 1 Pc x Blue Low Side Quick Coupler. 1 Pc x Red High Side Quick Coupler. 1 Pc x 13mm Blue Cap. 1 Pc x 16mm Red Cap,4Pcs x Valve Cores for R134A System. 4Pcs x Valve Cores for R12, R22 System. 1Pc x Valve Cores Tool.Perfect Airconditioning Seal Repair Kit for Repair leaking A/C system, restore A/C function.

Last update on 2025-07-14 / Affiliate links / Images from Amazon Product Advertising API

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The Best R12 To R134A Conversion Kits of 2022 – Reviewed and Top Rated

How Do You Buy The Best R12 To R134A Conversion Kits?

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