---
title: "Ac Dye — $250K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/ac-dye"
last_updated: "2026-08-09T12:37:40.461Z"
locale: en
meta:
description: "Niche score 53/100 · $250K/yr market. Brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 53/100 · $250K/yr market. Brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Ac Dye — $250K/yr Amazon US Niche (2026) - Flapen"
---
# **ac dye**
**Worth a look**
Shows demand growing +176.2% this quarter, but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.
Market size 46Growth 97Conversion 86Competition 23Returns 76Price range 62Avg price 64Brand share 0Review moat 67Quality gap 23
**Growth**
**Incredible****+176.2%**
90-day search growth — must beat 0% to launch
**Conversion**
**Great****9.8%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Great****1.9%**
return rate — above 5% kills the launch gate
**Review moat**
**Good****826.77**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Good****$13.71**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$7.59–$27.10**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Okay****$250K**
$250K/yr · 187K searches
**Competition**
**Bad****73%**
top-5 click share — a locked-up shelf
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)")
According to Flapen's Amazon United States niche tracking, ac dye is a $250K/yr Amazon United States market (187K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Worth a look — 53/100.
Data updated Jul 9, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **ac dye market data**
- **Units sold / yr**
- **20K–25K**
- avg 1,500–2,000/product
- **Revenue / yr**
- **$274K–$343K**
- units × avg price
- **Conversion rate**
- **9.8%**
- **Avg BSR**
- **#395**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **54%**
- **Out of stock**
- **2.4%**
- **Avg brand age**
- **66 months**
- **Avg seller age**
- **152 days**
## **Competition & brand share**
The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **▼falling
**Sellers**
**49**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**73%**
Top 20: 100%
**Open market**
**0%**
- TSI Supercool61% - A/C Pro14% - ERRECOM12% - UAC9% - Leak Saver4%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +176.2% search growth over the last 90 days.
8K6KSpike '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 8.0×
[**Open Trend **](https://flapen.com/research/us/automotive/ac-dye/trend)
## **Top ac dye search terms**
- **pag 46 oil**22K/yr+227.1%12.2% conv. - **ac dye**18K/yr+212.4%5.8% conv. - **pag oil**18K/yr+137.7%9.0% conv. - **uv dye for ac leak**14K/yr+282.6%3.4% conv. - **ac uv dye**14K/yr+183.1%4.4% conv. - **ac compressor oil**16K/yr+154.4%5.7% conv. - **pag 46**13K/yr+115.2%12.3% conv. - **pag oil for 134a**11K/yr+185.9%10.5% conv. - **ac oil**10K/yr+164.1%5.5% conv. - **r134a dye**6K/yr+195.2%5.2% conv. [**All search terms **](https://flapen.com/research/us/automotive/ac-dye/search-terms)
## **Top ac dye 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.
0%15%$38K30%$75K45%$113K60%$150K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**TSI Supercool P46-8D PAG Oil 46 Viscosity with UV Dye 8oz 1-Pack**TSI Supercool**$9.33**4.8★1,974 rev](https://www.amazon.com/dp/B008PKWD3O) [2**Universal Air Conditioner RO 0900B Refrigerant Oil**UAC**$13.52**4.6★960 rev](https://www.amazon.com/dp/B003R4Q7PS) [3**PAG 46 + Dye - 8 flz A/C Compressor Oil for Vehicles Including Electric Compressors Working with R134a and R1234yf**ERRECOM**$9.17**4.7★290 rev](https://www.amazon.com/dp/B0BZ59G9FF) [4**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**$7.59**4.5★2,547 rev](https://www.amazon.com/dp/B002M4G24U) [5**TSI Supercool P46-32D PAG Oil 46 Viscosity with UV Dye 32oz 1-Pack**TSI Supercool**$25.37**4.8★630 rev](https://www.amazon.com/dp/B00CFQQSJY)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**ERRECOM Brilliant - 0.2 fl oz (7.5 ml) Fluorescent UV Dye for Detecting Refrigerant Gas Leaks in Vehicle A/C Systems Includes R134a Adapter**ERRECOM**$9.90**999 rev1y ago](https://www.amazon.com/dp/B0C5RWQ48C) [**PAG 46 + Dye - 8 flz A/C Compressor Oil for Vehicles Including Electric Compressors Working with R134a and R1234yf**ERRECOM**$9.17**290 rev1y ago](https://www.amazon.com/dp/B0BZ59G9FF) [**TSI Supercool PAG Oil 46 Viscosity with Performance Enhancer 8 oz (1)**TSI Supercool**$11.66**187 rev7y ago](https://www.amazon.com/dp/B07TXR2FZ3) [**Leak Saver UV Dye (Dye Only No Sealant) UV Refrigerant Leak Detection Dye for Automotive Home Commercial - Marine AC and Refrigeration up to 5 Tons**Leak Saver**$19.44**197 rev7y ago](https://www.amazon.com/dp/B07THLZZXJ) [**A/C Pro Certified A/C Pro Car Air Conditioner Leak Detector Dye Leak Detection UV Dye Detects Leaks in R-1234YF AC Systems 1 Oz**A/C Pro**$14.01**167 rev7y ago](https://www.amazon.com/dp/B07RJ22ZKJ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**TSI Supercool P46-8 PAG 46 Without Dye 8oz 1-Pack**TSI Supercool**$12.13**4.7★**▲ 117%**](https://www.amazon.com/dp/B008PKWCF8) [**PAG 46 + Dye - 8 flz A/C Compressor Oil for Vehicles Including Electric Compressors Working with R134a and R1234yf**ERRECOM**$9.17**4.7★**▲ 117%**](https://www.amazon.com/dp/B0BZ59G9FF) [**A/C Pro Certified A/C Pro Car Air Conditioner Leak Detector Dye Leak Detection UV Dye Detects Leaks in R-1234YF AC Systems 1 Oz**A/C Pro**$14.01**4.5★**▲ 59%**](https://www.amazon.com/dp/B07RJ22ZKJ) [**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**$7.59**4.5★**▲ 25%**](https://www.amazon.com/dp/B002M4G24U) [**Leak Saver UV Dye (Dye Only No Sealant) UV Refrigerant Leak Detection Dye for Automotive Home Commercial - Marine AC and Refrigeration up to 5 Tons**Leak Saver**$19.44**4.6★**▲ 24%**](https://www.amazon.com/dp/B07THLZZXJ)
**~~View all trending →~~**
## **What buyers say about ac dye**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Leak-Proof**21%
*“I don't expect to have any trouble finding leaks using this product”*
**Quality-Overall**19%
*“Good Quality”*
**Value For Money**19%
*“Great value”*
**Advertised Vs Actual Product**10%
*“as advertised”*
**Ease Of Use**7%
*“Ease of use”*
**Efficiency**6%
*“Works perfectly”*
**Brightness/Shine/Glow**4%
*“Glows bright”*
**Color**4%
*“The Dye is very bright”*
**Compression**2%
*“Worked great in 2010 ford focus compressor”*
**Coolant**2%
*“Universal air conditioner refrigerant”*
### **What buyers complain about **
**Leak-Proof**29%
*“Leaking bottle”*
**Instructions/User Manual/Troubleshooting**17%
*“no instructions provided”*
**Brightness/Shine/Glow**9%
*“My only wish is that it glowed more”*
**Color**8%
*“2 bottles and the dye is invisible”*
**Natural Resource Wastage**6%
*“Waste of time and money”*
**Adhesion/Stickiness**6%
*“is spoda cause any glue you missed”*
**Functionality-Overall**3%
*“Does not work”*
**Pressure**3%
*“the low pressure line is too pressurized”*
**Add-Ons/Attachments**2%
*“Cheap plastic attachment for the low pressure port”*
### **Top return reasons **
**Compatibility-Overall**26%
**Leak-Proof**20%
**Advertised Vs Actual Product**8%
**Color**8%
**Value For Money**6%
**Functionality-Overall**5%
**Coolant**4%
**Defective Material/Parts**4%
**Compression**3%
**Assembly/Installation**2%
## **Common questions**
- **Is ac dye profitable to sell on Amazon United States?**
- The niche generates $250K/yr across 13 tracked products. 90-day search growth is +176.2%. Flapen's verdict: Worth a look (53/100).
- **How competitive is the ac dye niche?**
- 5 brands and 49 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in ac dye?**
- Top complaints mined from reviews: Leak-Proof, Instructions/User Manual/Troubleshooting, Brightness/Shine/Glow. The return rate is 1.9%.
- **When does demand for ac dye peak?**
- Demand peaks in Apr–May–Jun–Jul; the busiest month runs 8.0× the quietest.
- **What does it cost to enter the ac dye niche?**
- Listings span $7.59–$27.10; the average listing price is $13.71 (sweet spot $15–$100). The average incumbent carries 827 reviews — the moat a new listing must climb.
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