---
title: "Vacuum Gauge — $542K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/vacuum-gauge"
last_updated: "2026-08-09T13:08:43.132Z"
locale: en
meta:
description: "Niche score 55/100 · $542K/yr market · 225K searches/yr. Prices mostly outside the sweet spot ($6.76–$258.97) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 55/100 · $542K/yr market · 225K searches/yr. Prices mostly outside the sweet spot ($6.76–$258.97) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Vacuum Gauge — $542K/yr Amazon US Niche (2026) - Flapen"
---
# **vacuum gauge**
**Worth a look**
Shows a sweet-spot price point ($40.89 avg), but prices mostly outside the sweet spot ($6.76–$258.97) keeps it on the watch list.
Market size 62Growth 51Conversion 66Competition 40Returns 64Price range 34Avg price 95Brand share 54Review moat 74Quality gap 37
**Avg price**
**Incredible****$40.89**
avg listing price — sweet spot $15–$100
**Review moat**
**Good****537.85**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Good****5.9%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Good****2.4%**
return rate — above 5% kills the launch gate
**Market size**
**Good****$542K**
$542K/yr · 225K searches
**Brand share**
**Good****73%**
top-5 brand share — brands hold most of the demand
**Growth**
**Good****+21.0%**
90-day search growth — must beat 0% to launch
**Competition**
**Okay****61%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Price range**
**Okay****$6.76–$258.97**
cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, vacuum gauge is a $542K/yr Amazon United States market (225K searches/yr). The top 5 brands hold 73% of demand. Demand peaks in Apr–May–Jun. Verdict: Worth a look — 55/100.
Data updated Jul 11, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **vacuum gauge market data**
- **Units sold / yr**
- **15K–20K**
- avg 750–1,000/product
- **Revenue / yr**
- **$613K–$818K**
- units × avg price
- **Conversion rate**
- **5.9%**
- **Avg BSR**
- **#25**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **75%**
- **Out of stock**
- **4.7%**
- **Avg brand age**
- **67 months**
- **Avg seller age**
- **180 days**
## **Competition & brand share**
The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**16 **▲rising
**Sellers**
**116**
**Top-5 brand share**
**73%**
Top 20: 100%
**Top-5 click share**
**61%**
Top 20: 100%
**Open market**
**20%**
- Hromee26% - NYXOVA18% - senctrl14% - 8MILELAKE8% - Acymner8% - OTC7%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +21.0% search growth over the last 90 days.
6K4KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May, Jun · busiest ÷ quietest = 2.3×
[**Open Trend **](https://flapen.com/research/us/automotive/vacuum-gauge/trend)
## **Top vacuum gauge search terms**
- **vacuum gauge**94K/yr+16.4%4.8% conv. - **vacuum gauge automotive**47K/yr+20.1%7.8% conv. - **automotive vacuum gauge**13K/yr+35.7%7.4% conv. - **vacuum gauges**12K/yr+13.5%1.8% conv. - **carburetor vacuum gauge**9K/yr+71.7%8.7% conv. - **vacuum gauge carburetor**8K/yr+102.8%8.4% conv. - **vacuum pressure gauge**9K/yr+0.3%3.5% conv. - **vacuum guage**5K/yr+20.0%6.2% conv. - **engine vacuum gauge**5K/yr+33.8%7.1% conv. - **carb vacuum gauge**3K/yr+53.3%8.1% conv. [**All search terms **](https://flapen.com/research/us/automotive/vacuum-gauge/search-terms)
## **Top vacuum gauge 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%$54K20%$108K30%$163K40%$217K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 20 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Hromee Fuel Pump and Vacuum Tester Gauge Carburetor Pressure Diagnostics Leakage Tool Kit**Hromee**$19.80**4.5★1,281 rev](https://www.amazon.com/dp/B08P4P97H2) [2**NYXOVA Vacuum and Fuel Pump Tester Gauge Kit Gauge Leak Carburetor Pressure Diagnostics Tool Kit Leak Carburetor Pressure Diagnostics (Blue)**NYXOVA**$15.23**4.6★197 rev](https://www.amazon.com/dp/B0CHJDTMWC) [3**SENCTRL 30 inHg Vacuum Silicone Oil Liquid Filled Low Pressure Gauge 2.5 Dial Size 1/4 NPT Lower Mount Stainless Steel Case for Air Conditioning Manifolds HVAC Air Pump Vacuum Test**senctrl**$9.90**4.5★175 rev](https://www.amazon.com/dp/B0BCYMT1RT) [4**8MILELAKE Fuel Pump and Vacuum Tester Gauge Leak Carburetor Pressure Diagnostics**8MILELAKE**$18.81**4.5★1,169 rev](https://www.amazon.com/dp/B01GHD0NAK) [5**NYXOVA Vacuum and Fuel Pump Tester Gauge Kit Gauge Leak Carburetor Pressure Diagnostics Tool Kit Leak Carburetor Pressure Diagnostics (Red)**NYXOVA**$15.14**4.6★197 rev](https://www.amazon.com/dp/B0CHJGCR85)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**AUTOOL PT502 Digital Vacuum Pressure Gauge Automotive Vacuum Leak Tester with Temperature Compensation 101kPa High Accuracy Engine Intake Exhaust EGR Diagnostic Tool 12V Car Powered**AUTOOL**$28.49**11 rev5mo ago](https://www.amazon.com/dp/B0GH13YPLZ) [**PESIKO 6Pcs Vacuum Pressure Gauge Kit Leak Carburetor Pressure Diagnostics Kit Fuel Pump Gauge Tester for Carburetors & Vacuum Systems**PESIKO**$31.97**22 rev10mo ago](https://www.amazon.com/dp/B0FMXQYFBG) [**SENCTRL 30 inHg to 30 Psi Vacuum Glycerin Liquid Filled Low Pressure Gauge 2.5 Dial Size 1/4 NPT Lower Mount Stainless Steel Case for Air Conditioning Manifolds HVAC Air Pump Vacuum Test**senctrl**$9.96**35 rev1y ago](https://www.amazon.com/dp/B0DS2F63X4) [**VECKYJL Vacuum Gauge Automotive Tester Kit Carburetor Fuel Pressure Tester Diagnostics Tool Kit**VECKYJL**$20.14**47 rev1y ago](https://www.amazon.com/dp/B0DRCBCRN7) [**BPSSDI 30inHg Vacuum Pressure Gauge Water Pressure Gauge 2.5 Dial Size 1/4 NPT Lower Mount 304 Stainless Steel Case for Pneumatic Air Compressor RV Regulator Valve Test(with Tape)**BPSSDI**$6.76**18 rev1y ago](https://www.amazon.com/dp/B0DB1432HN)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**AUTOOL PT502 Digital Vacuum Pressure Gauge Automotive Vacuum Leak Tester with Temperature Compensation 101kPa High Accuracy Engine Intake Exhaust EGR Diagnostic Tool 12V Car Powered**AUTOOL**$28.49**4.6★**▲ 104%**](https://www.amazon.com/dp/B0GH13YPLZ) [**Acymner Vacuum and Fuel Pump Tester Gauge Kit | Gauge Leak Carburetor Pressure Diagnostics Tool Kit (Red)**Acymner**$15.53**4.7★**▲ 99%**](https://www.amazon.com/dp/B0D89BMX8T) [**ATPEAM Vacuum and Fuel Pump Tester Gauge Kit Fuel Pump Pressure Carburetor Intake Manifold Vacuum Test**ATPEAM**$15.36**4.5★**▲ 82%**](https://www.amazon.com/dp/B097GSJS9M) [**NYXOVA Vacuum and Fuel Pump Tester Gauge Kit Gauge Leak Carburetor Pressure Diagnostics Tool Kit Leak Carburetor Pressure Diagnostics (Blue)**NYXOVA**$15.23**4.6★**▲ 53%**](https://www.amazon.com/dp/B0CHJDTMWC) [**8MILELAKE Fuel Pump and Vacuum Tester Gauge Leak Carburetor Pressure Diagnostics**8MILELAKE**$18.81**4.5★**▲ 21%**](https://www.amazon.com/dp/B01GHD0NAK)
**~~View all trending →~~**
## **What buyers say about vacuum gauge**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**21%
*“Very well made”*
**Value For Money**15%
*“Good value”*
**Advertised Vs Actual Product**14%
*“Works as it should”*
**Efficiency**11%
*“that gauge works fine”*
**Ease Of Use**10%
*“Easy to use”*
**Measurement/Reading Accuracy**8%
*“This is a good accurate gauge if used properly”*
**Strength**2%
*“It feels solid”*
**Pressure**2%
*“Good vacuum gauge”*
**Weight Heavy**1%
*“weight are just right”*
**Adjustability/Rotatability/Reclining**1%
*“Works great to adjust carburetor”*
### **What buyers complain about **
**Measurement/Reading Accuracy**25%
*“Guage received and wasn't calibrated to Zero”*
**Quality-Overall**13%
*“Poor Quality”*
**Durability**10%
*“Busted first use”*
**Leak-Proof**8%
*“Quick leak or vacuum loss tool”*
**Value For Money**8%
*“Total waste of money”*
**Maintenance And Repair**4%
*“I couldn't use it for the repair job I bought it for”*
**Suction**2%
*“Don't last very long on a vacuum system”*
**Ease Of Cleaning**2%
*“Needs to be cleaned often or it will give you bad readings”*
**Assembly/Installation**2%
*“Install one didn't work at all”*
**Connectivity-Overall**1%
*“This CPS vacuum gauge is not wireless”*
### **Top return reasons **
**Measurement/Reading Accuracy**25%
**Size-Overall**13%
**Functionality-Overall**12%
**Product Condition**8%
**Value For Money**6%
**Defective Material/Parts**5%
**Compatibility-Overall**5%
**Pressure**4%
**Leak-Proof**3%
**Advertised Vs Actual Product**3%
## **Common questions**
- **Is vacuum gauge profitable to sell on Amazon United States?**
- The niche generates $542K/yr across 20 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +21.0%. Flapen's verdict: Worth a look (55/100).
- **How competitive is the vacuum gauge niche?**
- 16 brands and 116 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 73% of demand.
- **What do buyers complain about in vacuum gauge?**
- Top complaints mined from reviews: Measurement/Reading Accuracy, Quality-Overall, Durability. The return rate is 2.4%.
- **When does demand for vacuum gauge peak?**
- Demand peaks in Apr–May–Jun; the busiest month runs 2.3× the quietest.
- **What does it cost to enter the vacuum gauge niche?**
- Listings span $6.76–$258.97; the average listing price is $40.89 (sweet spot $15–$100). The average incumbent carries 538 reviews — the moat a new listing must climb.
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