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Updated: 06 Apr 2026

10 Best Refrigerant Retrofit Kits

#1 Best Pick
Car Refrigerant,R134A Compressor Refrigeration Oil,Car AC Refrigerant Refill Kit,Air Conditioner Service Kit,Car Air Conditioning Recharge Kits,Air Conditioner Repair Tool Kits

Car Refrigerant,R134A Compressor Refrigeration Oil,Car AC Refrigerant Refill Kit,Air Conditioner Service Kit,Car Air Conditioning Recharge Kits,Air Conditioner Repair Tool Kits

Brand: Generic
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  • 🔹【Advanced Car Compressor Refrigeration Oil with Leak Detection & System Protection】 – Ideal for Automotive and Home Use. Keep your vehicle’s air conditioning system running at peak performance with our high-performance refrigerant formula. Designed using advanced technology, this R134a-compatible refrigeration oil is an essential automotive care accessory—ideal for cars, motorcycles, RVs, trucks, marine equipment, and even home cooling systems.
  • 🔹【Simple Application】Designed for user-friendly, hassle-free use. With just three easy steps, you can quickly recharge your AC system. The intuitive process makes it perfect for DIY users and fits seamlessly into R134a systems.
  • 🔹【Improved Temperature Stability】Features a moisture-absorbing molecular core that prevents evaporator icing, even in extreme conditions. This helps stabilize system performance and prolongs compressor life for reliable cooling all year round.
  • 🔹【Wide System Compatibility】Designed to work with a broad range of vehicle air conditioning systems, making it a versatile and reliable choice for various makes and models.
  • 🔹【Versatile & User-Friendly Design】Engineered for both beginners and experienced users, this compressor refrigeration oil offers a sleek, intuitive design and includes everything needed for effective temperature management. Whether you're maintaining your car, boat, RV, or home AC unit, this refrigerant provides powerful, versatile cooling performance.
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#2 Best Value
Refrigerator Recharge Kit, R134a Refrigerant Recharge Kit, with Pressure Gauge and Charging Hose with Quick Connector for Car AC Air Conditioner, Reusable AC Recharge-Kit for Cars, Trucks

Refrigerator Recharge Kit, R134a Refrigerant Recharge Kit, with Pressure Gauge and Charging Hose with Quick Connector for Car AC Air Conditioner, Reusable AC Recharge-Kit for Cars, Trucks

Brand: Generic
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  • 【Handy to Use】The AC Charge Hose with Gauge is designed with 90-degree push & lock coupler with auto shut off. Come with gauge for easy viewing during use and getting a correct charge.
  • 【Reliable Material】Using high hardness metal and PP material, strong resistant to pressure, Car Air Conditioning Refrigerant Charging is strong and durable. Can be used for a long time.
  • 【Widely Applicable】Fit for R134A refrigerant to vehicles or household air conditioners. Car Air Conditioner Recharge Kit is of high working performance.
  • 【Functional Kit】The M14 adapter is sold separately. Refrigerator Recharge Kit is used to check the pressure on the low-pressure side to properly fill the air conditioner.
  • 【Adjustable Connector】The connector of the tank can be adjusted. The system refrigerant charging pipe has a built-in safety bayonet to prevent accidental refrigerant leakage.
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#3 Budget Pick
PEUTIER 2pcs R12 to R134a Conversion Kits, High/Low Pressure R12 to R134a AC Retrofit Fitting Adapter Kits R12 to R134a Adapter with Valve Core Wrench for Car Air Conditioner Refrigerant System

PEUTIER 2pcs R12 to R134a Conversion Kits, High/Low Pressure R12 to R134a AC Retrofit Fitting Adapter Kits R12 to R134a Adapter with Valve Core Wrench for Car Air Conditioner Refrigerant System

Brand: PEUTIER
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  • Package Content: You will receive 2 pieces of R12 to R134a conversion kits, including a high one and a low one. And we provide you with 1 valve core wrench.
  • Premium Material: Our R12 to R134a conversion kits are made of good quality brass. They are smooth and durable, strong and reliable. They can be used for a long time.
  • Product Size: We have 2 converters, a high one and a low one. The high one is 36.2x15.9mm/1.42x0.62in, and the low one is 35.9x13.9mm/1.41x0.54in. The valve core wrench we provide you is 73x15.4mm/2.87x0.61in.
  • Special Design: High/Low-end R12 to R134a adapters with dust cap, valve core, brass adapters and 1/4" SAE Female. The brass surface is chrome-plated. Very corrosion-resistant and durable.
  • Easy to Use: Our R12 to R134a conversion kits will convert your old style 1/4'' SAE charging port and make it accept an R134a quick disconnect hose. Simply take off the old one and install the new one.
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#4 Top Choice
InterDynamics Arctic Freeze Car Air Conditioner Refrigerant Gauge and Hose, Reusable AC Recharge Kit Compatible with R-134A Cans with Self Sealing Valves, InterDynamics

InterDynamics Arctic Freeze Car Air Conditioner Refrigerant Gauge and Hose, Reusable AC Recharge Kit Compatible with R-134A Cans with Self Sealing Valves, InterDynamics

Brand: A/C Pro
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  • Reusable R-134a gauge & hose
  • Trigger dispenser for effortless recharging
  • Gauge displays pressure reading for accurate fill
  • 90 degree coupler for ports in tight positions
  • Designed for compliance and to work only with R-134a cans with self-sealing valve can tops
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#5 Popular Choice
Auto-plaza High Low Side Retrofit Conversion Adapter R-12 to R-134a 1/4 SEA Valves Caps Fitting Kit with Valve Core Removal Tool for Car A/C Refrigerant Accessories

Auto-plaza High Low Side Retrofit Conversion Adapter R-12 to R-134a 1/4 SEA Valves Caps Fitting Kit with Valve Core Removal Tool for Car A/C Refrigerant Accessories

Brand: Auto-plaza
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  • Good quality and made of plastic and metal.
  • This adapters connection size is 1/4SAE x 8mm conversion connector.
  • These Low/High side adapters will convert your old 1/4 SAE or 7/16" R12 charging port and make it accept the R134a quick disconnect hose.
  • Time saving and labor saving installation, lightweight,shortcut, as a good choice for car accessory replacement.
  • Adapter kit contains 1 Pcs Low Side Quick Coupler, 1 Pcs High Side Quick Coupler, 1 Pcs 14mm Blue Cap, 1 Pc 17mm Red Cap, 1 Pcs Valve Core Removal Tool.
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#6 Top Pick
2Pcs Car Refrigerant,R134A Compressor Refrigeration Oil,Car AC Refrigerant Refill Kit,Air Conditioner Service Kit,Car Air Conditioning Recharge Kits,Air Conditioner Repair Tool Kits

2Pcs Car Refrigerant,R134A Compressor Refrigeration Oil,Car AC Refrigerant Refill Kit,Air Conditioner Service Kit,Car Air Conditioning Recharge Kits,Air Conditioner Repair Tool Kits

Brand: Generic
Read more
  • 🔹【Advanced Car Compressor Refrigeration Oil with Leak Detection & System Protection】 – Ideal for Automotive and Home Use. Keep your vehicle’s air conditioning system running at peak performance with our high-performance refrigerant formula. Designed using advanced technology, this R134a-compatible refrigeration oil is an essential automotive care accessory—ideal for cars, motorcycles, RVs, trucks, marine equipment, and even home cooling systems.
  • 🔹【Simple Application】Designed for user-friendly, hassle-free use. With just three easy steps, you can quickly recharge your AC system. The intuitive process makes it perfect for DIY users and fits seamlessly into R134a systems.
  • 🔹【Improved Temperature Stability】Features a moisture-absorbing molecular core that prevents evaporator icing, even in extreme conditions. This helps stabilize system performance and prolongs compressor life for reliable cooling all year round.
  • 🔹【Wide System Compatibility】Designed to work with a broad range of vehicle air conditioning systems, making it a versatile and reliable choice for various makes and models.
  • 🔹【Versatile & User-Friendly Design】Engineered for both beginners and experienced users, this compressor refrigeration oil offers a sleek, intuitive design and includes everything needed for effective temperature management. Whether you're maintaining your car, boat, RV, or home AC unit, this refrigerant provides powerful, versatile cooling performance.
Check latest price on Amazon
#7 Top Pick
3Pcs Car Refrigerant,R134A Compressor Refrigeration Oil,Car AC Refrigerant Refill Kit,Air Conditioner Service Kit,Car Air Conditioning Recharge Kits,Air Conditioner Repair Tool Kits

3Pcs Car Refrigerant,R134A Compressor Refrigeration Oil,Car AC Refrigerant Refill Kit,Air Conditioner Service Kit,Car Air Conditioning Recharge Kits,Air Conditioner Repair Tool Kits

Brand: Generic
Read more
  • 🔹【Advanced Car Compressor Refrigeration Oil with Leak Detection & System Protection】 – Ideal for Automotive and Home Use. Keep your vehicle’s air conditioning system running at peak performance with our high-performance refrigerant formula. Designed using advanced technology, this R134a-compatible refrigeration oil is an essential automotive care accessory—ideal for cars, motorcycles, RVs, trucks, marine equipment, and even home cooling systems.
  • 🔹【Simple Application】Designed for user-friendly, hassle-free use. With just three easy steps, you can quickly recharge your AC system. The intuitive process makes it perfect for DIY users and fits seamlessly into R134a systems.
  • 🔹【Improved Temperature Stability】Features a moisture-absorbing molecular core that prevents evaporator icing, even in extreme conditions. This helps stabilize system performance and prolongs compressor life for reliable cooling all year round.
  • 🔹【Wide System Compatibility】Designed to work with a broad range of vehicle air conditioning systems, making it a versatile and reliable choice for various makes and models.
  • 🔹【Versatile & User-Friendly Design】Engineered for both beginners and experienced users, this compressor refrigeration oil offers a sleek, intuitive design and includes everything needed for effective temperature management. Whether you're maintaining your car, boat, RV, or home AC unit, this refrigerant provides powerful, versatile cooling performance.
Check latest price on Amazon
#8 Top Pick
6 Pcs Brass Refrigerant Tank Adapter, with 1 Valve Core Remover, R12 R22 to R134A Adapters Kit, R134A Refrigerant Tank, Vacuum Pump Port Conversion Retrofit Kit,1/4''Flare Female, 1/2'' Male

6 Pcs Brass Refrigerant Tank Adapter, with 1 Valve Core Remover, R12 R22 to R134A Adapters Kit, R134A Refrigerant Tank, Vacuum Pump Port Conversion Retrofit Kit,1/4''Flare Female, 1/2'' Male

Brand: TZAONEN
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  • 【SOLID BRASS CONSTRUCTION】: These tank adapters are made of solid brass, for corrosion resistance, ductility to high build. Sturdy to use, corrosion resistant, not easy to rust, you can use them for a long time.
  • 【EASY INSTALLATION】: This brass refrigerant tank adapter R12 R22 to R134A refrigerant tank adapter is quick and easy connection and disconnection. O-ring seal with no-leak connection, secure fitting, no-leak connection.
  • 【FITMENT DIMENSION】: 3Pcs 1/4" Male to 1/2" Female adapter fitting, 3Pcs 1/4’’ SAE Female X 1/2’’ ACME Male R134A adapter fitting, with 1 Valve Core Remover. Attention: Please confirm whether it meets the size you want before purchasing.
  • 【SUFFICIENT NUMBER OF CONVERTERS】: There are three converters for each of the two types, so there is no need to worry about not having enough to use. There is also one valve core disassembly tool that can be used on both ends of the tool. The converter paired with disassembly tools is a perfect match.
  • 【WIDELY USED】: Usefully 1/4 female to 1/2 adapters for charging and service tools, such as vacuum pump, can tap or oil injector to adapt between R12, R22 system and R134A systems.
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#9 Top Pick
HyChill Minus 30 Low GWP Hydrocarbon Refrigerant 425g can with Valve and Hose Kit

HyChill Minus 30 Low GWP Hydrocarbon Refrigerant 425g can with Valve and Hose Kit

Brand: HYCHILL
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  • Replaces R12, R134a and R1234yf in car AC and other R12-R134a systems
  • No ARC licence required
  • Great energy savings (15-45%)
  • Significantly reduced charge weight (approx. 30% of the original weight required)
  • Compatible with common refrigeration materials and lubricants
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#10 Top Pick
A/C Retrofit Valve Kit-Refrigerant Retrofit Valve Set with Dust Cap Convert, BPV31 Bullet Piercing Tap Valve Fits for HVAC Refrigerant System R12 R22 R502 R134A

A/C Retrofit Valve Kit-Refrigerant Retrofit Valve Set with Dust Cap Convert, BPV31 Bullet Piercing Tap Valve Fits for HVAC Refrigerant System R12 R22 R502 R134A

Brand: Eaglerich
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  • Universal retrofit valve with blue dust cap with 7/16" low side port, automotive air conditioning refrigerant systems converting from R12, R22, R502 to R-134A. BPV-31 bullet piercing tap valve fits for 1/4", 5/16", 3/8" outside diameter pipes. Replace part No. AP4502525, BPV31D, GPV14, GPV31, GPV38, GPV56, MPV31.
  • Bullet piercing tap valve is easy to install, cleaning off the copper pipe with a wire brush or abrasive cloth, then attach it to the smoothest part of the copper tube to ensure tight sealing. Use a hex key wrench to install, its compact design only requires a 2-inch clearance area for installation and use.
  • The r12 to r134a retrofit conversion fitting is made of premium brass and the BPV-31 bullet piercing tap valve is made of zinc alloy, which make the retrofit valve kit durable for long-time use to meet your daily repair work need
  • R12 R22 R502 screw to R134A fast quick conversion adapter is made of high quality brass alloy and plastic material, bullet piercing tap valve kit is made of zinc alloy for durable and long-lasting to use.
  • R12 to R134A retrofit conversion adapter with dust cap, BPV31 bullet piercing tap valve, a hex key, 2 adapters.
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