---
title: "leak detection pump — Niche Verdict: Skip it (45/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/leak-detection-pump"
last_updated: "2026-07-13T20:03:09.878Z"
locale: en
meta:
  description: "soft demand (-7.5% this quarter) — leak detection pump doesn't clear our bar today."
  "og:description": "soft demand (-7.5% this quarter) — leak detection pump doesn't clear our bar today."
  "og:title": "leak detection pump — Niche Verdict: Skip it (45/100) | Amazon United States - Flapen"
---

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# **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 38Price 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

**Returns**

**Okay****4.4%**

return rate — above 6% kills the launch gate

**Price range**

**Okay****$11.42–$237.82**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Market size**

**Okay****$100K**

$100K/yr · 48K searches

**Growth**

**Bad****-7.5%**

90-day search growth — must beat 0% to launch

## **Competition**

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%**

**Open market**

**17%**

- Dorman56% - A-Premium10% - Gedlex5% - Standard Motor Products5% - stymart4% - AITKEN4% - Open — no brand owns it (8 brands, 17%)

## **Product shelf**

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★)1 product missing review or click data not plotted

All 29 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](https://m.media-amazon.com/images/I/312DVgqKrzL.jpg)**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](https://m.media-amazon.com/images/I/311Are7U92L.jpg)**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](https://m.media-amazon.com/images/I/31pjfCIL-TL.jpg)**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](https://m.media-amazon.com/images/I/31pwOB2k1xL.jpg)**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](https://m.media-amazon.com/images/I/416JKb1We7L.jpg)**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](https://m.media-amazon.com/images/I/31MaqUb+JhL.jpg)**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](https://m.media-amazon.com/images/I/41wo5DnVjzL.jpg)**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) [![Roneeson Fuel Vapor Leak Detection Pump for Chrysler Prowler 2001-02 Dodge Ram 1500 2500 3500 Van 2001-03 Jeep Grand Cherokee WJ 2002-04 Wrangler TJ 2003-04 Plymouth Prowler 2000-01](https://m.media-amazon.com/images/I/41xTBispK-L.jpg)**Roneeson Fuel Vapor Leak Detection Pump for Chrysler Prowler 2001-02 Dodge Ram 1500 2500 3500 Van 2001-03 Jeep Grand Cherokee WJ 2002-04 Wrangler TJ 2003-04 Plymouth Prowler 2000-01**Roneeson**$64.32**0 rev6mo ago](https://www.amazon.com/dp/B0GCDB47KW) [![Roneeson Evaporative Emissions System Leak Detection Pump for Audi A3 A8 Quattro A6 Allroad A7 Sportback Q3 Q5 Q7 Q8 RS3 S3 S6 SQ7 SQ8 TTS Quattro VW Arteon Atlas Golf R GTI Jetta Passat Taos](https://m.media-amazon.com/images/I/31-Q8qBY-ZL.jpg)**Roneeson Evaporative Emissions System Leak Detection Pump for Audi A3 A8 Quattro A6 Allroad A7 Sportback Q3 Q5 Q7 Q8 RS3 S3 S6 SQ7 SQ8 TTS Quattro VW Arteon Atlas Golf R GTI Jetta Passat Taos**Roneeson**$35.70**1 rev6mo ago](https://www.amazon.com/dp/B0GC268BQB) [![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](https://m.media-amazon.com/images/I/312Qem7eIiL.jpg)**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)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Roneeson Fuel Vapor Leak Detection Pump for Chrysler Prowler 2001-02 Dodge Ram 1500 2500 3500 Van 2001-03 Jeep Grand Cherokee WJ 2002-04 Wrangler TJ 2003-04 Plymouth Prowler 2000-01](https://m.media-amazon.com/images/I/41xTBispK-L.jpg)**Roneeson Fuel Vapor Leak Detection Pump for Chrysler Prowler 2001-02 Dodge Ram 1500 2500 3500 Van 2001-03 Jeep Grand Cherokee WJ 2002-04 Wrangler TJ 2003-04 Plymouth Prowler 2000-01**Roneeson**$64.32**0.0★**▲ 221%**](https://www.amazon.com/dp/B0GCDB47KW) [![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](https://m.media-amazon.com/images/I/31MaqUb+JhL.jpg)**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](https://m.media-amazon.com/images/I/31rcIEpI3FL.jpg)**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) [![Roneeson Evaporative Emissions System Leak Detection Pump for Audi A3 A8 Quattro A6 Allroad A7 Sportback Q3 Q5 Q7 Q8 RS3 S3 S6 SQ7 SQ8 TTS Quattro VW Arteon Atlas Golf R GTI Jetta Passat Taos](https://m.media-amazon.com/images/I/31-Q8qBY-ZL.jpg)**Roneeson Evaporative Emissions System Leak Detection Pump for Audi A3 A8 Quattro A6 Allroad A7 Sportback Q3 Q5 Q7 Q8 RS3 S3 S6 SQ7 SQ8 TTS Quattro VW Arteon Atlas Golf R GTI Jetta Passat Taos**Roneeson**$35.70**5.0★**▲ 154%**](https://www.amazon.com/dp/B0GC268BQB) [![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](https://m.media-amazon.com/images/I/41wo5DnVjzL.jpg)**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)

**~~View all trending →~~**

## **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×

## **Reviews**

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%