expansion valve
Worth a lookShows demand growing +149.5% this quarter, but high returns (13.2%) keeps it on the watch list.
Growth
Incredible+149.5%90-day search growth — must beat 0% to launch
Quality gap
Incredible4.0★avg incumbent rating — lower means beatable quality
Review moat
Great119.4avg incumbent reviews — the moat a new listing must climb
Price range
Great$11.44–$54.41cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great$19.82avg listing price — sweet spot $15–$100
Conversion
Okay3.6%search→purchase rate — share of searches ending in a sale
Brand share
Okay86%top-5 brand share — brands hold most of the demand
Market size
Okay$119K$119K/yr · 167K searches
Competition
Bad84%top-5 click share — a locked-up shelf
Returns
Bad13.2%return rate — above 5% kills the launch gate
According to Flapen's Amazon United States niche tracking, expansion valve is a $119K/yr Amazon United States market (167K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in May–Jun–Jul–Aug. Verdict: Worth a look — 51/100.
Data updated Jul 9, 2026 · scored weekly · How we score niches
expansion valve market data
- Units sold / yr
- 6K–8K
- avg 250–500/product
- Revenue / yr
- $119K–$159K
- units × avg price
- Conversion rate
- 3.6%
- Avg BSR
- #55
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 70%
- Out of stock
- 3.9%
- Avg brand age
- 47 months
- Avg seller age
- 149 days
Competition & brand share
The top 5 products capture 84% of clicks — a locked-up shelf that new listings rarely crack.Brands
9 falling
Sellers
34
Top-5 brand share
86%
Top 20: 100%
Top-5 click share
84%
Top 20: 100%
Open market
10%
- Jewkot51%
- Prywog13%
- UAC9%
- dawfall7%
- A-Premium6%
- Civwesi4%
- Open — no brand owns it (3 brands, 10%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +149.5% search growth over the last 90 days.Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 9.6×
Top expansion valve search terms
- expansion valve58K/yr
- ac expansion valve35K/yr
- valvula de expansion ac24K/yr
- expansion valve a/c25K/yr
- ac expansion valve kit8K/yr
- a/c expansion valve8K/yr
- expansion valve a/c car5K/yr
- thermal expansion valve4K/yr
Top expansion valve products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 10 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Car A/C Expansion Valve Metallic Anti-Wear Steam Engine Air Conditioning Valve A/C System Repair Accessories 80213-TF0-G0180211-TP5-H1180221TZ3A41 for LexusJaguar Land RoverHondaToyotaSuzuki
Jewkot$15.984.1★191 rev
Prywog 1 PC Automobile Expansion Valve High Temperature Resistant and Durable Metal Steam Engine Air Conditioning Valve A/C System Repair Accessories Universal for Most Cars Trucks (Silver)
Prywog$13.794.1★81 rev
UAC EX 10292C A/C Expansion Valve (Pack of 1)
UAC$17.004.6★513 rev
dawfall A/C Expansion Valve High and Low Temperature Resistant Air Conditioning System Parts Throttling and Pressure Reducing Expansion Valve Universal for Most Cars SUVs (Silver)
dawfall$13.723.1★30 rev
Civwesi 1 PC Car Air Conditioner Expansion Valve Metal Steam Engine Air Conditioner Valve Car Air Conditioner Spare Parts Universal for Most Cars (Silver)
Civwesi$12.683.9★51 rev
Newest
by launch date
Bawkars Car A/C Expansion Valve Metallic Anti-Wear Engine Air Conditioning Expansion Valve Auto A/C Replacement Parts Compatible with Jaguar Land Rover Lexus To-yota Camry (Silver)
Bawkars$13.476 rev
dawfall A/C Expansion Valve High and Low Temperature Resistant Air Conditioning System Parts Throttling and Pressure Reducing Expansion Valve Universal for Most Cars SUVs (Silver)
dawfall$13.7230 rev
Civwesi 1 PC Car Air Conditioner Expansion Valve Metal Steam Engine Air Conditioner Valve Car Air Conditioner Spare Parts Universal for Most Cars (Silver)
Civwesi$12.6851 rev
1 PC Car A/C Expansion Valve 80213TF0G01 Metallic Anti-Wear Steam Engine Air Conditioning Valve A/C System Repair Accessories for Honda Ford Dodge Ram (Silver)
Sumjig$11.4438 rev
Prywog 1 PC Automobile Expansion Valve High Temperature Resistant and Durable Metal Steam Engine Air Conditioning Valve A/C System Repair Accessories Universal for Most Cars Trucks (Silver)
Prywog$13.7981 rev
Trending
90-day click momentumBawkars Car A/C Expansion Valve Metallic Anti-Wear Engine Air Conditioning Expansion Valve Auto A/C Replacement Parts Compatible with Jaguar Land Rover Lexus To-yota Camry (Silver)
Bawkars$13.473.5★
dawfall A/C Expansion Valve High and Low Temperature Resistant Air Conditioning System Parts Throttling and Pressure Reducing Expansion Valve Universal for Most Cars SUVs (Silver)
dawfall$13.723.1★
A-Premium AC Expansion Valve Compatible with Honda Civic 2006-2012 1.8L Civic 2006-2011 2.0L Civic 2012 2.4L 2 door & Coupe only
A-Premium$22.374.5★
A-Premium AC Expansion Valve Compatible with Ford F-150 2009-2014 Expedition 2010-2014 5.4L & Lincoln Navigator 2010-2014 5.4L
A-Premium$23.314.2★
Car A/C Expansion Valve Metallic Anti-Wear Steam Engine Air Conditioning Valve A/C System Repair Accessories 80213-TF0-G0180211-TP5-H1180221TZ3A41 for LexusJaguar Land RoverHondaToyotaSuzuki
Jewkot$15.984.1★
What buyers say about expansion valve
What buyers praise and complain about, mined from review topics.What buyers love
“Fits perfectly”
“It was cheap”
“Excellent product, it worked wonderfully and was very easy to install”
“Good item”
“It works”
“it feels nice in the hand I guess”
“Regulates the Cold Stuff Fine-GOOD PRODUCT”
“EXPANSION VALVE WORKS”
What buyers complain about
“Completely incompatible despite saying it fits”
“Doesnt fit as advertised”
“cheep junk, bad machining, doesn't fit, don't waste your money”
“was very upset that this was advertised to fit my 02 olds alero 4 cyl”
“the high side port line bottoms out”
“was totally not the correct part”
“Ac still not working”
“Item did not fit when installed”
“Waste of time and money Run”
“block is thinner than original”
Top return reasons
Common questions
- Is expansion valve profitable to sell on Amazon United States?
- The niche generates $119K/yr across 10 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +149.5%. Flapen's verdict: Worth a look (51/100).
- How competitive is the expansion valve niche?
- 9 brands and 34 sellers compete. The top 5 products take 84% of clicks and top 5 brands hold 86% of demand.
- What do buyers complain about in expansion valve?
- Top complaints mined from reviews: Compatibility-Overall, Size-Overall, Quality-Overall. The return rate is 13.2% — above our launch gate.
- When does demand for expansion valve peak?
- Demand peaks in May–Jun–Jul–Aug; the busiest month runs 9.6× the quietest.
- What does it cost to enter the expansion valve niche?
- Listings span $11.44–$54.41; the average listing price is $19.82 (sweet spot $15–$100). The average incumbent carries 119 reviews — the moat a new listing must climb.