uv leak detection kit
Worth a lookShows a sweet-spot price point ($22.06 avg), but soft demand (-13.1% this quarter) keeps it on the watch list.
Avg price
Great$22.06avg listing price — sweet spot $15–$100
Price range
Great$7.59–$76.35cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great9.3%search→purchase rate — share of searches ending in a sale
Returns
Great1.9%return rate — above 5% kills the launch gate
Review moat
Good788.43avg incumbent reviews — the moat a new listing must climb
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Brand share
Okay76%top-5 brand share — brands hold most of the demand
Market size
Okay$108K$108K/yr · 53K searches
Competition
Bad71%top-5 click share — a locked-up shelf
Growth
Bad-13.1%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, uv leak detection kit is a $108K/yr Amazon United States market (53K searches/yr). The top 5 brands hold 76% of demand. Demand peaks in Jun–Jul. Verdict: Worth a look — 50/100.
Data updated Jul 9, 2026 · scored weekly · How we score niches
uv leak detection kit market data
- Units sold / yr
- 5K–6K
- avg 250–500/product
- Revenue / yr
- $110K–$132K
- units × avg price
- Conversion rate
- 9.3%
- Avg BSR
- #62
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 86%
- Out of stock
- 3.2%
- Avg brand age
- 67 months
- Avg seller age
- 175 days
Competition & brand share
The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.Brands
12 rising
Sellers
59
Top-5 brand share
76%
Top 20: 100%
Top-5 click share
71%
Top 20: 100%
Open market
19%
- A/C Pro37%
- Vansky16%
- Yesibeike11%
- REALHUNLEE7%
- TSI Supercool5%
- Lichamp5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -13.1% search growth over the last 90 days.Peak months: Jun, Jul · busiest ÷ quietest = 2.3×
Top uv leak detection kit search terms
- uv leak detection kit10K/yr
- oil dye leak detection kit7K/yr
- oil leak detection kit14K/yr
- uv oil leak detection kit8K/yr
- engine oil leak detection kit6K/yr
- engine oil dye leak detection kit6K/yr
- oil leak dye kit3K/yr
Top uv leak detection kit 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 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
A/C Pro Certified Auto Pro Oil and Fuel System UV Dye Leak Detection for Cars & Trucks & More 1 Oz 374CS Universal
A/C Pro$7.594.5★2,547 rev
Vansky Air Conditioner Leak Detector: Professional Car Tool 68 LED Automotive AC UV Dye Leak Detection Kit with Protective Glasses
Vansky$18.144.6★627 rev
Yesibeike Oil-Based UV Leak Detection Dye 150 ml for Dirty Engine Oil Precision Nozzle Works with Engine Oil ATF Fuel & Hydraulic Systems Low Odor Tamper-Evident Foil Seal
Yesibeike$14.324.1★27 rev
REALHUNLEE Air Conditioner UV Dye Leak Detector Pro Auto Oil AC UV Dye Leak Test Detection Tool Kit 68 LED A/C UV Flashlight Detector with Protective Glasses
REALHUNLEE$19.594.6★2,570 rev
TSI Supercool TD8 Total Dye 8 oz (Self Measure Bottle)
TSI Supercool$24.984.6★964 rev
Newest
by launch date
WANJAO 100ML Engine Oil Dye Leak Detection Kit Oil Leak Dye Accurately Locate Leaks Widely Compatible with Two Syringes for Use in Engine Oil Automatic Transmission Fluid Fuel Hydraulic Systems
WANJAO$13.314 rev
Yesibeike Oil-Based UV Leak Detection Dye 150 ml for Dirty Engine Oil Precision Nozzle Works with Engine Oil ATF Fuel & Hydraulic Systems Low Odor Tamper-Evident Foil Seal
Yesibeike$14.3227 rev
Vansky Air Conditioner Leak Detection: 100 LED Car AC UV Dye Leak Detector Kit with Protective Glasses - Automotive Professional Tool
Vansky$21.65627 rev
COSOOS Air Conditioner Leak Detector Tool AC Leak Detector Kit UV Light for AC UV Dye Leak Detection Oil Dye Leak Detector with Protective Glasses
COSOOS$14.84262 rev
Vansky Air Conditioner Leak Detector: Professional Car Tool 68 LED Automotive AC UV Dye Leak Detection Kit with Protective Glasses
Vansky$18.14627 rev
Trending
90-day click momentumWANJAO 100ML Engine Oil Dye Leak Detection Kit Oil Leak Dye Accurately Locate Leaks Widely Compatible with Two Syringes for Use in Engine Oil Automatic Transmission Fluid Fuel Hydraulic Systems
WANJAO$13.313.2★
Yesibeike Oil-Based UV Leak Detection Dye 150 ml for Dirty Engine Oil Precision Nozzle Works with Engine Oil ATF Fuel & Hydraulic Systems Low Odor Tamper-Evident Foil Seal
Yesibeike$14.324.1★
Certified A/C Pro UV Leak Detection Kit
A/C Pro$17.844.3★
Vansky Air Conditioner Leak Detector: Professional Car Tool 68 LED Automotive AC UV Dye Leak Detection Kit with Protective Glasses
Vansky$18.144.6★
Vansky Air Conditioner Leak Detection: 100 LED Car AC UV Dye Leak Detector Kit with Protective Glasses - Automotive Professional Tool
Vansky$21.654.6★
What buyers say about uv leak detection kit
What buyers praise and complain about, mined from review topics.What buyers love
“Helped find a leak”
“Worth every penny”
“Build quality of the included accessories is adequate and functional”
“Works as advertised”
“made the leak points glow clear as day against all that dark hardware”
“Works perfectly”
“Easy to use”
“Nice and bright, shows dye very well”
“Also helps detecting oil level on the front axle with a. YELLOW”
“I have no fear that it'll break if I drop it”
What buyers complain about
“A/c leak”
“the light always flickers”
“It was a bit frustrating to use”
“my bottle definitely did not work or they have batch issues with their product”
“Junk”
“Did not work as advertised”
“2 bottles and the dye is invisible”
“Don't buy it's to small”
“Didn't last”
“the temperature never got high enough to test AC until after return period had passed”
Top return reasons
Common questions
- Is uv leak detection kit profitable to sell on Amazon United States?
- The niche generates $108K/yr across 14 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -13.1%. Flapen's verdict: Worth a look (50/100).
- How competitive is the uv leak detection kit niche?
- 12 brands and 59 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 76% of demand.
- What do buyers complain about in uv leak detection kit?
- Top complaints mined from reviews: Leak-Proof, Brightness/Shine/Glow, Ease Of Use. The return rate is 1.9%.
- When does demand for uv leak detection kit peak?
- Demand peaks in Jun–Jul; the busiest month runs 2.3× the quietest.
- What does it cost to enter the uv leak detection kit niche?
- Listings span $7.59–$76.35; the average listing price is $22.06 (sweet spot $15–$100). The average incumbent carries 788 reviews — the moat a new listing must climb.