---
title: "Leak Detection Pump — $100K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/leak-detection-pump"
last_updated: "2026-08-10T16:17:42.089Z"
locale: en
meta:
description: "Niche score 45/100 · $100K/yr market · 48K searches/yr · $51.01 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 45/100 · $100K/yr market · 48K searches/yr · $51.01 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Leak Detection Pump — $100K/yr Amazon US Niche (2026) - Flapen"
---
# **leak detection pump**
**Skip it**
Soft demand (-7.5% this quarter) — this niche doesn't clear our bar today.
Market size 25Growth 21Conversion 51Competition 60Returns 33Price range 38Avg price 93Brand share 43Review moat 85Quality gap 53
**Avg price**
**Great****$51.01**
avg listing price — sweet spot $15–$100
**Review moat**
**Great****303.21**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Good****49%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Good****4.1%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Okay****79%**
top-5 brand share — brands hold most of the demand
**Price range**
**Okay****$11.42–$237.82**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Okay****4.4%**
return rate — above 5% kills the launch gate
**Market size**
**Okay****$100K**
$100K/yr · 48K searches
**Growth**
**Bad****-7.5%**
90-day search growth — must beat 0% to launch
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, leak detection pump is a $100K/yr Amazon United States market (48K searches/yr). The top 5 brands hold 79% of demand. Verdict: Skip it — 45/100.
Data updated Jul 9, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **leak detection pump market data**
- **Units sold / yr**
- **2K–2K**
- avg 0–100/product
- **Revenue / yr**
- **$77K–$102K**
- units × avg price
- **Conversion rate**
- **4.1%**
- **Avg BSR**
- **#4,374**
- **Page quality**
- **0%**
- **Prime**
- **97%**
- **Sponsored**
- **72%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **33 months**
- **Avg seller age**
- **150 days**
## **Competition & brand share**
The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**14 **▼falling
**Sellers**
**72**
**Top-5 brand share**
**79%**
Top 20: 100%
**Top-5 click share**
**49%**
Top 20: 87%
**Open market**
**17%**
- Dorman56% - A-Premium10% - Gedlex5% - Standard Motor Products5% - stymart4% - AITKEN4% - Open — no brand owns it (8 brands, 17%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -7.5% search growth over the last 90 days.
1K750Spike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/us/automotive/leak-detection-pump/trend)
## **Top leak detection pump search terms**
- **leak detection pump**21K/yr-9.6%2.4% conv. - **evap leak detection pump**13K/yr-12.5%1.9% conv. - **fuel vapor leak detection pump**8K/yr+3.5%3.6% conv. - **evaporative emissions system leak detection pump**7K/yr-3.3%3.0% conv. [**All search terms **](https://flapen.com/research/us/automotive/leak-detection-pump/search-terms)
## **Top leak detection pump 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%10%$10K20%$20K30%$30K40%$40K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Dorman 310-219 Evaporative Emissions System Leak Detection Pump Compatible with Select Models**Dorman**$21.59**4.6★2,697 rev](https://www.amazon.com/dp/B07PCMXZQ5) [2**Dorman 310-215 Evaporative Emissions System Leak Detection Pump Compatible with Select Models**Dorman**$29.47**4.5★2,135 rev](https://www.amazon.com/dp/B07PCM833X) [3**Gedlex 310-219 Evaporative Emissions System Leak Detection Pump Compatible with 2007-2019 Dodge Durango Nitro Ram 1500 Promaster J eep Liberty Grand Fiat 500 Cherokee Chrys ler Aspen 4B1593 ESM1003**Gedlex**$18.54**4.2★108 rev](https://www.amazon.com/dp/B0D3HTKWG1) [4**Dorman 310-233 Evaporative Emissions System Leak Detection Pump Compatible with Select Models**Dorman**$26.63**4.6★386 rev](https://www.amazon.com/dp/B00S0RMBKC) [5**310-219 Fuel Evaporative Emissions Leak Detection Pump Compatible with 2007-2019 Dodge Nitro Durango Ram 1500 ProMaster Chrysler Aspen Fiat 500/500L Jeep Grand Cherokee Liberty**stymart**$20.44**4.5★97 rev](https://www.amazon.com/dp/B0DGT7HHJK)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**EVAP Fuel Vapor Leak Detection Pump LDP DMTL for BMW 3 Series 5 Series 7 Series M X Z Series VW Jetta Passat Audi Volvo Land Rover Mercedes-Benz**Tiansel**$39.75**2 rev5mo ago](https://www.amazon.com/dp/B0GKYNBRTJ) [**A-Premium EVAP System Vapor Leak Detection Pump Compatible with BMW 3 Series 5 Series 7 Series M Series & Volkswagen Jetta Passat Beetle & Mazda 3 & Hyundai Accent & Audi & Volvo & Land Rover**A-Premium**$45.58**4 rev5mo ago](https://www.amazon.com/dp/B0GHNYFYTL) [**AITKEN EVAP System Vapor Leak Detection Pump Compatible with BMW 3 Series 5 Series 7 Series M Series Audi Volkswagen Volvo Land Rover Mercedes-Benz**AITKEN**$43.82**21 rev1y ago](https://www.amazon.com/dp/B0F2Y6CZ76) [**AutoLine Pro HyperSmoke Automotive Smoke Machine EVAP Vacuum Leak Tester Adjustable Pressure OEM Approved Smoke Fluid Built-in Air Compressor Motor - Includes Smoke Fluid x2.**AutoLine Pro**$49.78**863 rev1y ago](https://www.amazon.com/dp/B0DNRY9NCV) [**310-219 Fuel Evaporative Emissions Leak Detection Pump Compatible with 2007-2019 Dodge Nitro Durango Ram 1500 ProMaster Chrysler Aspen Fiat 500/500L Jeep Grand Cherokee Liberty**stymart**$20.44**97 rev1y ago](https://www.amazon.com/dp/B0DGT7HHJK)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**EVAP Fuel Vapor Leak Detection Pump LDP DMTL for BMW 3 Series 5 Series 7 Series M X Z Series VW Jetta Passat Audi Volvo Land Rover Mercedes-Benz**Tiansel**$39.75**5.0★**▲ 194%**](https://www.amazon.com/dp/B0GKYNBRTJ) [**Replacement Leak Detection Pump - OEM# 310-233 Evaporative EVAP Emissions System compatible with 07-21 Dodge Challenger Charger Dart Dakota Ram 1500 Jeep Compass Wagoneer Gladiator Chrysler 200 300**X4XZ**$22.58**4.1★**▲ 157%**](https://www.amazon.com/dp/B0C4TBL5WV) [**A-Premium EVAP System Vapor Leak Detection Pump Compatible with BMW 3 Series 5 Series 7 Series M Series & Volkswagen Jetta Passat Beetle & Mazda 3 & Hyundai Accent & Audi & Volvo & Land Rover**A-Premium**$45.58**5.0★**▲ 111%**](https://www.amazon.com/dp/B0GHNYFYTL) [**HUGALL Evaporative Emissions System Leak Detection Pump 310-215 Compatible with 200 300 Pacifica Sebring Caliber Challenger Charger Ram 1500 2500 Compass Liberty Patriot Wrangler Wrangler JK 07-19**HUGALL**$15.41**4.1★**▲ 58%**](https://www.amazon.com/dp/B09BQYPZR3) [**A-Premium Fuel Vapor Leak Detection Pump Compatible with Jeep Grand Cherokee 2002-2004 Wrangler 2003-2004 & Dodge Ram 1500 Van Ram 2500 Van Ram 3500 Van & Chrysler Prowler & Plymouth Prowler**A-Premium**$93.77**4.7★**▲ 36%**](https://www.amazon.com/dp/B0CT8P5J4F)
**~~View all trending →~~**
## **What buyers say about leak detection pump**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**14%
*“OEM fit”*
**Value For Money**12%
*“Worth it”*
**Quality-Overall**12%
*“Excellent Product”*
**Ease Of Use**10%
*“Easy to use”*
**Efficiency**9%
*“it works exactly as it should”*
**Advertised Vs Actual Product**6%
*“Works as it should”*
**Assembly/Installation**6%
*“Easy installation”*
**Leak-Proof**6%
*“I didnt have one leake”*
**Maintenance And Repair**3%
*“The best cheap fix I've found”*
**Compactness**3%
*“Very pleased with this compact machine”*
### **What buyers complain about **
**Leak-Proof**22%
*“Leaks”*
**Size-Overall**11%
*“It is small”*
**Durability**6%
*“Broke after ONE use”*
**Functionality-Overall**6%
*“Did not work”*
**Compatibility-Overall**4%
*“Not compatible”*
**Advertised Vs Actual Product**4%
*“the listing says it does buyer beware”*
**Value For Money**3%
*“These are not cheap either”*
**Noise Level**2%
*“What noise”*
**Quality-Overall**2%
*“Trash”*
**Assembly/Installation**2%
*“Worse great for 10-15 minutes after setup”*
### **Top return reasons **
**Functionality-Overall**26%
**Size-Overall**18%
**Defective Material/Parts**9%
**Compatibility-Overall**9%
**Advertised Vs Actual Product**7%
**Value For Money**4%
**Pressure**4%
**Leak-Proof**3%
**Sensor**2%
**Assembly/Installation**2%
## **Common questions**
- **Is leak detection pump profitable to sell on Amazon United States?**
- The niche generates $100K/yr across 29 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is -7.5%. Flapen's verdict: Skip it (45/100).
- **How competitive is the leak detection pump niche?**
- 14 brands and 72 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 79% of demand.
- **What do buyers complain about in leak detection pump?**
- Top complaints mined from reviews: Leak-Proof, Size-Overall, Durability. The return rate is 4.4%.
- **When does demand for leak detection pump peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the leak detection pump niche?**
- Listings span $11.42–$237.82; the average listing price is $51.01 (sweet spot $15–$100). The average incumbent carries 303 reviews — the moat a new listing must climb.
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