r12 to r134a conversion kit
Worth a lookShows demand growing +166.3% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Growth
Incredible+166.3%90-day search growth — must beat 0% to launch
Review moat
Great289.43avg incumbent reviews — the moat a new listing must climb
Brand share
Great55%top-5 brand share — no brand owns this niche
Conversion
Good6.4%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Competition
Good51%top-5 click share — leaders hold, buyers still browse
Returns
Okay3.0%return rate — above 6% kills the launch gate
Avg price
Okay$11.05avg listing price — sweet spot $15–$100
Price range
Okay$7.86–$17.69cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Bad$37K$37K/yr · 52K searches
Competition
The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.Brands
17 rising
Sellers
36
Top-5 brand share
55%
Open market
38%
- Aracey20%
- Taiss10%
- Aupoko8%
- CANIPHA8%
- Yaocom8%
- FANOVO7%
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 23 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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
Aracey$9.894.1★219 rev

Taiss 11PCS R12 to R134A Conversion Kit R12 R22 to R134A High/Low Fittings Port with 1/4to 7/16-20 UNF Connection AC Retrofit Fitting Adapter Kit for AC Air Conditioner Refrigerant System
Taiss$9.804.6★319 rev

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
CANIPHA$9.994.4★555 rev

Certified A/C Pro VA-LH8 R-12 to R-134a Retrofit Parts Kit
A/C Pro$9.314.1★103 rev

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)
Yaocom$17.694.0★53 rev
Newest
by launch date
Tujoe 33 Pcs R12 to R134a R1234yf Ac Retrofit Fitting Adapter Kit A/c Conversion High/low Fitting Port Retrofit 1/4 to 7/16 20 Unf Conversion Adapter for Refrigerant System
Tujoe$17.251 rev

NOTISH R12 to R134A Conversion kit AC Retrofit Fitting Adapter Kit R12 R22 to R134A High/Low Fitting Port Retrofit 1/4 SAE to 7/16 Fits for Car AC Air Conditioner Refrigerant System
NOTISH$8.3523 rev

Taiss 11PCS R12 to R134A Conversion Kit R12 R22 to R134A High/Low Fittings Port with 1/4to 7/16-20 UNF Connection AC Retrofit Fitting Adapter Kit for AC Air Conditioner Refrigerant System
Taiss$9.80319 rev

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)
VOTNMIC$9.2334 rev

Mtsooning R12 to R134A Conversion Adapter Kit R12 R22 to R134A Fitting Port Retrofit High/Low Pressure 1/4 to 7/16-20 UNF Connection with 20PCS Dust Cap & Core Removal Tool for Car AC Refrigerant
Mtsooning$9.952 rev
Trending
90-day click momentum
Tujoe 33 Pcs R12 to R134a R1234yf Ac Retrofit Fitting Adapter Kit A/c Conversion High/low Fitting Port Retrofit 1/4 to 7/16 20 Unf Conversion Adapter for Refrigerant System
Tujoe$17.255.0★

Mtsooning R12 to R134A Conversion Adapter Kit R12 R22 to R134A Fitting Port Retrofit High/Low Pressure 1/4 to 7/16-20 UNF Connection with 20PCS Dust Cap & Core Removal Tool for Car AC Refrigerant
Mtsooning$9.955.0★

gohantee R12 R22 R502 Screw to R134A Fast Conversion Adapter Valve R12 to R134A Conversion Kit Adapter Switch R12 R22 R502 to R134A Quick Connector High/Low Side 1/4 SAE (7/16-20 Thread) Ports
gohantee$7.864.2★

Fourtry R12 to R134a Conversion Fitting Adapter Kit - R12 to R134a Retrofit Kit with High/Low Side Fitting Conversion Kit with Fitting Port 1/4 to 7/16 Fit for Car A/C Air Conditioner Refrigerant
Fourtry$8.554.1★

NOTISH R12 to R134A Conversion kit AC Retrofit Fitting Adapter Kit R12 R22 to R134A High/Low Fitting Port Retrofit 1/4 SAE to 7/16 Fits for Car AC Air Conditioner Refrigerant System
NOTISH$8.353.9★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +166.3% search growth over the last 90 days.Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 8.2×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Fit”
“Nice kit”
“Arrived as it was shown in photo”
“Great deal”
“Perfect for hooking my vacuum pump to my AC gages”
What buyers complain about
“Does not fit an R12 compressor”
“Leak”
“Did not fit 1990 ford 5.0”
“All the pieces broke down while trying to use them”
“Didnt work”
“And the low pressure fitting has male threads which do not work for my application”
“This kit was pretty expensive on other sites”
“quite frankly wasnt even able to use it”
“The search filter is not accurate”
“Broke on the first Use”