20 Best Ac Retrofit Kits [2025]

Are you looking for the best ac retrofit kits? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling ac retrofit kits.

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1 InterDynamics Certified A/C Pro Car Air Conditioner Adapter Kit, Complete AC Conversion Adapter Kit... InterDynamics Certified A/C Pro Car Air Conditioner Adapter Kit, Complete AC Conversion Adapter...
2 Aupoko A/C Retrofit Valve Kit, Retrofit Valve with Dust Cap Convert, BPV31 Bullet Piercing Tap Valve... Aupoko A/C Retrofit Valve Kit, Retrofit Valve with Dust Cap Convert, BPV31 Bullet Piercing Tap...
3 Mudder Bpv31 Piercing Valve 134a Kit R134a Refrigerant Charge Hose with Gauge, Hose Refrigerant Can... Mudder Bpv31 Piercing Valve 134a Kit R134a Refrigerant Charge Hose with Gauge, Hose Refrigerant...
4 ACDelco GM Original Equipment 22759208 Cabin Air Filter Door Retrofit Kit with Door and Bolt ACDelco GM Original Equipment 22759208 Cabin Air Filter Door Retrofit Kit with Door and Bolt
5 Wadoy R12 to R134a Conversion Kit, R12 to R134a Retrofit Kit for A/C Pro Refrigerant, R12 to R134a... Wadoy R12 to R134a Conversion Kit, R12 to R134a Retrofit Kit for A/C Pro Refrigerant, R12 to...
6 Mudder 4 Pieces VA-LH11 A/C Pro R-12 to R-134a Retrofit Parts Kit Retrofit Conversion Adapter... Mudder 4 Pieces VA-LH11 A/C Pro R-12 to R-134a Retrofit Parts Kit Retrofit Conversion Adapter...
7 R12 to R134A AC Retrofit Fitting Adapter Kit, R12 R22 to R134A High/Low Fitting Port Retrofit... R12 to R134A AC Retrofit Fitting Adapter Kit, R12 R22 to R134A High/Low Fitting Port Retrofit...
8 200W Shoebox LED Retrofit Kit 29000LM,5000K E39 Base LED Parking Lot Tennis Court Lights Retrofit... 200W Shoebox LED Retrofit Kit 29000LM,5000K E39 Base LED Parking Lot Tennis Court Lights Retrofit...
9 Certified A/C Pro Car Air Conditioner Adapter Kit, Complete AC Conversion Adapter Kit Converts R122... Certified A/C Pro Car Air Conditioner Adapter Kit, Complete AC Conversion Adapter Kit Converts...
10 R12 to R134 A High/Low AC Fitting Port Retrofit Conversion Adapter, Quick Coupler Valve A/C 90°... R12 to R134 A High/Low AC Fitting Port Retrofit Conversion Adapter, Quick Coupler Valve A/C 90°...
11 FJC 2538 Air Conditioning Retrofit Kit FJC 2538 Air Conditioning Retrofit Kit
12 150W Shoebox LED Retrofit Kit 21750LM=600w Metal Halide,E39 Mogul Base 5000K LED Retrofit Light for... 150W Shoebox LED Retrofit Kit 21750LM=600w Metal Halide,E39 Mogul Base 5000K LED Retrofit Light...
13 Wadoy R12 to R134A Conversion Kit, R12 to R134A Adapter, R12 to R134A Retrofit Kit, High/Low AC... Wadoy R12 to R134A Conversion Kit, R12 to R134A Adapter, R12 to R134A Retrofit Kit, High/Low AC...
14 Aupoko R12 R22 to R134A Conversion Adapter Kit, R12 to R134A Retrofit Valve Fitting Kit for A/C Pro... Aupoko R12 R22 to R134A Conversion Adapter Kit, R12 to R134A Retrofit Valve Fitting Kit for A/C...
15 8Pcs R12 R22 to R134A AC Retrofit Fitting Adapter Kit, R12 to R134a Conversion Kit, R12 R22 to R134A... 8Pcs R12 R22 to R134A AC Retrofit Fitting Adapter Kit, R12 to R134a Conversion Kit, R12 R22 to...
16 Mudder 5 Pieces BPV31 Piercing Tap Valve Kits U-Charging Hose Refrigerant Can Tap with Gauge R134a... Mudder 5 Pieces BPV31 Piercing Tap Valve Kits U-Charging Hose Refrigerant Can Tap with Gauge...
17 Wadoy R12 to R134a Retrofit Kit, Air Conditioner Conversion Adapter,High/Low AC Fitting Port Wadoy R12 to R134a Retrofit Kit, Air Conditioner Conversion Adapter,High/Low AC Fitting Port
18 Dorman 259-200 Cabin Air Filter Retrofit Kit Compatible with Select Cadillac / Chevrolet / GMC... Dorman 259-200 Cabin Air Filter Retrofit Kit Compatible with Select Cadillac / Chevrolet / GMC...
19 VOSAREA R12 to R134A Adapter Conversion Kit, R134A Retrofit Kit 1/4 Inch High Side Low Side AC... VOSAREA R12 to R134A Adapter Conversion Kit, R134A Retrofit Kit 1/4 Inch High Side Low Side AC...
20 Wadoy R12 to R134a Retrofit Kit for A/C Pro Refrigerant, R12 to R134a Conversion Kit, R12 to R134a... Wadoy R12 to R134a Retrofit Kit for A/C Pro Refrigerant, R12 to R134a Conversion Kit, R12 to...
Bestseller No. 1
InterDynamics Certified A/C Pro Car Air Conditioner Adapter Kit, Complete AC Conversion Adapter Kit...
  • Complete automotive air conditioning conversion adapter kit with 4 adapters
  • Includes one low-side 7/16 inch port, one high-side 3/8 inch port, one high-side for 2-Piece GM port, one high-side 7/16 inch port
  • Fits all cars all years
  • For conversion of R12 to R134a
  • Includes retrofit label
Bestseller No. 2
Aupoko A/C Retrofit Valve Kit, Retrofit Valve with Dust Cap Convert, BPV31 Bullet Piercing Tap Valve...
  • ❄ WIDE COMPATIBILITY --- Universal retrofit valve with blue dust cap with 7/16’’ low side port, automotive air conditioning refrigerant systems...
  • ❄ PREMIUM QUALITY --- R12 R22 R502 screw to R134A fast quick conversion adapter is made of high quality brass alloy and plastic material, bullet...
  • ❄ EASY TO OPERATON --- Bullet piercing tap valve is easy to install, cleaning off the copper pipe with a wire brush or abrasive cloth, then attach...
  • ❄ Package Included --- R12 to R134A retrofit conversion adapter with dust cap, BPV31 bullet piercing tap valve, a hex key, 2 adapters.
  • ❄ 1 YEAR WARRANTY --- Order R12 to R134A retrofit conversion fitting kit from Aupoko, we offer 1 YEAR WARRANTY, true worry-free shopping experience....
Bestseller No. 3
Mudder Bpv31 Piercing Valve 134a Kit R134a Refrigerant Charge Hose with Gauge, Hose Refrigerant Can...
  • Package content: 3 packs BPV-31 piercing tap valve kits (each kit contains 1 piercing valve, 1 hex key and 2 adapters), including R134a U-charge hose...
  • Easy to install: our BPV-31 piercing tap valve kits come in compact design that only requires a 2-inch clearance area for installation and use, and...
  • R134a Charging hose: 19 inch hose with R-134a can to R-12/R-22 service port connection, 1/2 inch end fits R12, 22, 502 fittings; And the gauge has...
  • Replace model of BPV-31 piercing tap valve: AP4502525, BPV31D, GPV14, GPV31, GPV38, GPV56, MPV31; Compatible with 1/4 inch, 5/16 inch, 3/8 inch...
  • Universal retrofit valve: the retrofit valve converts from R-12 to R-134a air conditioning system and suit for 7/16 inch low side port; Suit for...
Bestseller No. 4
ACDelco GM Original Equipment 22759208 Cabin Air Filter Door Retrofit Kit with Door and Bolt
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
Bestseller No. 5
Wadoy R12 to R134a Conversion Kit, R12 to R134a Retrofit Kit for A/C Pro Refrigerant, R12 to R134a...
  • Package include:One low side port and one high side port. Please confirm the size of the product before buying
  • Perfect air conditioning conversion adapter kit. Completely used to replace R12 with R134a
  • Easy to operate and install, made it easy to convert an r-12 system over to r134a. A good helper for your car
Bestseller No. 6
Mudder 4 Pieces VA-LH11 A/C Pro R-12 to R-134a Retrofit Parts Kit Retrofit Conversion Adapter...
  • Package includes: you will receive 1 piece low-side 7/16 inch port, 1 piece high-side 3/8 inch port, 2 pieces adapters convert R12 to R134a for 2...
  • Application: these low/ high side retrofits converts 1/4 inch SAE R12 R22 charging port and make it accept the R134a quick disconnect hose, fits most...
  • Function: converts from R-12 to R-134a air conditioning system, this valve can be screwed on top of a closed AC system that just needs a little...
  • Easy to install: connected to the thread for use with the valve, 1 gas valve inside, fitted with a plastic protective cover
  • Durable material: both of the kit are made of corrosion-resistant metal that won' t wear out or rust over time, and anti-leaking design that will be...
SaleBestseller No. 7
R12 to R134A AC Retrofit Fitting Adapter Kit, R12 R22 to R134A High/Low Fitting Port Retrofit...
  • 【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...
  • 【PREMIUM QUALITY】 - R12 to R134A retrofit fast conversion adapter kit are made of high quality metal and plastic, solid construction for high heat...
  • 【EASY INSTALLATION】 - R12 to R134A retro fit fittings connect to the thread for use with the valve, there is a removable schrader valves., fitted...
  • 【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...
  • 【1 YEAR WARRANTY】 - Order R12 R22 Port to R134a quick disconnect valve adapter from Aupoko, we offer 12 months warranty, true worry-free shopping...
Bestseller No. 8
200W Shoebox LED Retrofit Kit 29000LM,5000K E39 Base LED Parking Lot Tennis Court Lights Retrofit...
  • 200w Led Retrofit Kit - With 145 lumens per watt, the led retrofit kit provides 29,000 lumen output. This 200 watt led shoebox retrofit kit is a...
  • Maintenance Saving - Advanced SMD3030 LEDs and Meanwhile Driver for superior performance and longer lifespan.Excellent heat dissipation system with...
  • Quick Installation - The led retrofit kits come with E39 Mogul Base - Just screw in. Replace the ballast with the LED Driver and old bulb with the LED...
  • Wide Application - High Bay led retrofit kit is perfect for retrofitting existing high bay,low bay, wall pack, led parking lot pole lights,led tennis...
  • 5 Year Warranty - ETL DLC listed, which ensures Rebate Eligible and lowest maintenance. We also offer 5 years warranty for the 800 watt metal halide...
SaleBestseller No. 9
Certified A/C Pro Car Air Conditioner Adapter Kit, Complete AC Conversion Adapter Kit Converts R122...
  • Complete air conditioning conversion adapter kit with 2 adapters
  • One low side .44 inch port and one high side .38 inch port
  • For pre-1976 vehicles and some late model imports
  • For conversion of R12 to R134a
  • Includes retrofit label
Bestseller No. 10
R12 to R134 A High/Low AC Fitting Port Retrofit Conversion Adapter, Quick Coupler Valve A/C 90°...
  • ♥ WIDE COMPATIBILITY - Charging port adapter R12 R22 Port to accept R134a Quick Disconnect. These Low/High side retrofits/adapters/fittings will...
  • ♥ PREMIUM QUALITY - With solid copper material, resistant to corrosion & good extensibility.
  • ♥ EASY INSTALLATION: The low AC fitting conversion adapter with time-saving and effort-saving while installing, lightweight, shortcut.
  • ♥ DIMENSION - Low Side, 1/4"SAE (7/16''- 20) x 13 mm, blue. High Side, 1/4" SAE (7/16’’- 20) x 16 mm, red.
  • ♥ WARRANTY - This can tap comes complete with a lifetime warranty. If the dispensing valve fails, simply contact us for a replacement or full...
Bestseller No. 11
FJC 2538 Air Conditioning Retrofit Kit
  • Includes 8 ounce Ester cool Oil
  • Retrofit Decal
  • High and Low Side R134a Service Port Adapters
  • High and Low Side R134a Service Port Caps
Bestseller No. 12
150W Shoebox LED Retrofit Kit 21750LM=600w Metal Halide,E39 Mogul Base 5000K LED Retrofit Light for...
  • Super Bright Shoexbox LED Retrofit Kits - With outstanding 145 lumens per watt, the led retrofit kit provides 21,750 lumen output. This 150 watt led...
  • Maintenance Saving - Advanced SMD LEDs and Meanwhile Driver for superior performance and longer lifespan.Excellent heat dissipation system with...
  • Quick Installation - The led retrofit kits come with E39 Mogul Base - Just screw in. Replace the ballast with the LED Driver and old bulb with the LED...
  • Wide Application - High Bay led retrofit kit is perfect for retrofitting existing high bay,low bay, wall pack, led parking lot pole lights,led tennis...
  • 5 Year Warranty - Our led retrofit kits are commercial and industrial grade, and have successful won DLC and ETL approval,which ensures Rebate...
Bestseller No. 13
Wadoy R12 to R134A Conversion Kit, R12 to R134A Adapter, R12 to R134A Retrofit Kit, High/Low AC...
  • R12 to R134A Conversion Kit: Quick coupler, charging port adapter. Our Low and High side fittings will convert your old 1/4" SAE or 7/16’’- 20UNF...
  • Easy to install, save time and effort, can be supported used with valve by screw connection. Lightweight and shortcut.
  • Made of high quality brass alloy material to last under extreme conditions and for high heat resistance durability and safety.
  • The high side is 1/4" SAE(7/16"-20)x16mm; The low side is 1/4"SAE(7/16"-20)x13mm
  • Can be matched used with a valve by connecting with screw thread There are gas valves inside, equipped with a plastic protective cap.
Bestseller No. 14
Aupoko R12 R22 to R134A Conversion Adapter Kit, R12 to R134A Retrofit Valve Fitting Kit for A/C Pro...
  • WIDE COMPATIBLITY - Completely used to replace R12 with R134A charging port adapter, perfect air conditioning conversion adapter kit.
  • PREMIUM QUALITY - Made of stainless steel and plastic, solid construction for high heat resistance, durability and safety.
  • EASY INSTALLATION - Connected to the thread for use with the valve, there is a gas valve inside, fitted with a plastic protective cover, easy and fast...
  • NOTE - These Low/High side retrofits/adapters/fittings will convert your old 1/4" SAE R12 R22 charging port and make it accept the R134a quick...
  • 1 YEAR WARRANTY - Order R12 R22 Port to accept R134a quick disconnect from Aupoko, we offer 12 months warranty, true worry-free shopping experience....
Bestseller No. 15
8Pcs R12 R22 to R134A AC Retrofit Fitting Adapter Kit, R12 to R134a Conversion Kit, R12 R22 to R134A...
  • [R12 To R134a Retrofit Kit PACKING] 2Pc x 1/4" SAE x 13MM LOW SIDE, 2Pc x 1/4" SAE x 16MM HIGH SIDE, 2Pc x 13mm Blue Cap, 2Pc x 16mm Red Cap.
  • [134a Adapter Fittings QUALITY] R12 to R134A retrofit fast conversion adapter kit, Durable material: both of the kit are made of corrosion-resistant...
  • [R12 To R134a Adapter INSTALLATION] R12 to R134A retro fit fittings connect to the thread for use with the valve, there is a removable valves, fitted...
  • [A/C Pro R134a Refrigerant COMPATIBLITY] The AC fitting port adapter retrofit r12 to r134a is completely used to replace R12 R22 with R134A charging...
  • [R12 To R134a Adapter Service Gurantee] pursue outstanding quality and service, If you are not satisfied with this product or if you have any...
Bestseller No. 16
Mudder 5 Pieces BPV31 Piercing Tap Valve Kits U-Charging Hose Refrigerant Can Tap with Gauge R134a...
  • Package content: 3 pieces BPV-31 piercing tap valve kits (each kit contains 1 piercing valve, 1 hex key and 2 adapters), including R134a u-charge hose...
  • Easy to install: our BPV-31 piercing tap valve kits come in compact design that only requires a 2-inch clearance area for installation and use, and...
  • R134a Charging hose with gauge : 24 inch hose with R-134a can, it is a good air conditioning conversion adapter kit, it's completely applied to...
  • Replace model of BPV-31 piercing tap valve: AP4502525, BPV31D, GPV14, GPV31, GPV38, GPV56, MPV31; Compatible with 1/4 inch, 5/16 inch, 3/8 inch...
  • Universal retrofit valve: the retrofit valve converts from R-12 to R-134a air conditioning system and suit for 7/16 inch low side port; Suit for...
Bestseller No. 17
Wadoy R12 to R134a Retrofit Kit, Air Conditioner Conversion Adapter,High/Low AC Fitting Port
  • 【Great Adapter】: R12 to R134a conversion adapter kit, quick coupler.Complete automotive air conditioning conversion adapter kit with 4 adapters
  • 【Thread】: one low-side 7/16 inch port, one high-side 3/8 inch port, one high-side for 2-Piece GM port, one high-side 7/16 inch port.
  • 【Premium Quality】: Made of high quality aluminum alloy material to last under extreme conditions and for high heat resistance durability and...
  • 【Easy To Install】: Save time and effort, can be supported used with valve by screw connection.for conversion of R12 to R134a.
  • 【Compatible With】:Fits all vehicles 1976 – 1995
Bestseller No. 18
Dorman 259-200 Cabin Air Filter Retrofit Kit Compatible with Select Cadillac / Chevrolet / GMC...
  • Direct replacement - this cabin air filter retrofit kit is designed to match the original filter required to restore proper cabin airflow on specified...
  • Ideal solution - this kit is a reliable replacement for the original filter that is clogged or has failed
  • Durable construction - this kit is made from quality materials to ensure reliable performance and a long service life
  • Trustworthy quality - backed by team of product experts in the United States and more than a century of automotive experience
  • Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
Bestseller No. 19
VOSAREA R12 to R134A Adapter Conversion Kit, R134A Retrofit Kit 1/4 Inch High Side Low Side AC...
  • - These low/ high side retrofits/ adapters/ fittings are designed to replace your old 3/ 16 or 1/ 4 R12 A/ charging port and make it accept the R134a...
  • - With removable gas valves and plastic A/ system cap. Effortless installation save you.
  • - Can be matched used with connecting with screw thread. Fit for you car A/ system.
  • - Iron ac adapter with copper plating finish to ensure long term durable use and enhance appearance.
Bestseller No. 20
Wadoy R12 to R134a Retrofit Kit for A/C Pro Refrigerant, R12 to R134a Conversion Kit, R12 to R134a...
  • Package include:One low side port and one high side port. Please confirm the size of the product before buying
  • Perfect air conditioning conversion adapter kit. Completely used to replace R12 with R134a
  • Easy to operate and install, made it easy to convert an r-12 system over to r134a. A good helper for your car
  • Fits all vehicles 1976 – 1995

Having trouble finding a great ac retrofit kits?

This problem is well understood by us because we have gone through the entire ac retrofit kits research process ourselves, which is why we have put together a comprehensive list of the best ac retrofit kitss available in the market today.

After hours of searching and using all the models on the market, we have found the best ac retrofit kits for 2023. See our ranking below!

How Do You Buy The Best Ac Retrofit Kits?

Do you get stressed out thinking about shopping for a great ac retrofit kits? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching ac retrofit kits, which is why we have assembled a comprehensive list of the greatest ac retrofit kits available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for ac retrofit kits that you consider buying. Your questions might include the following:

  • Is it worth buying an ac retrofit kits?
  • What benefits are there with buying an ac retrofit kits?
  • What factors deserve consideration when shopping for an effective ac retrofit kits?
  • Why is it crucial to invest in any ac retrofit kits, much less the best one?
  • Which ac retrofit kits are good in the current market?
  • Where can you find information like this about ac retrofit kits?

We’re convinced that you likely have far more questions than just these regarding ac retrofit kits, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for ac retrofit kits, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible ac retrofit kits. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an ac retrofit kits buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available ac retrofit kits currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of ac retrofit kits has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an ac retrofit kits?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your ac retrofit kits.
  5. Customer Ratings: Number ratings grade ac retrofit kits objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their ac retrofit kits.
  7. Product Quality: You don’t always get what you pay for with an ac retrofit kits, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an ac retrofit kits is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining ac retrofit kits information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding ac retrofit kits is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: Why classic auto air retrofit kits?

A: You can rely on our complete retrofit kits for model / year specific designs that give OE (original equipment) quality, performance, and reliability. Because of Classic Auto Air’s commitment to the classic car industry, we are constantly expanding our air conditioning product line to include most cars and trucks from the 1940’s to the 1970’s.

Q: What is an R-12 retrofit kit?

A: Our Retrofit Kits will update your older vehicle’s refrigerant from R-12 to R-134a, making your system cost-effective, colder and environmentally friendly.

Q: What is the best AC recharge kit?

A: Our choice for the best AC recharge kit is the A/C Pro ACP 100. It is fast and easy to use, and it is rated number one for the coolest air.

Q: What is an AC repair kit and how does it work?

A: These kits are more professional and have the components you need to help diagnose and repair your AC system. They include a pump of some kind and gauges so you can remove the refrigerant that remains in your system for use later. You use the pump to remove air and moisture from the system when you’re ready to recharge.