generator fuel tank
Skip itSoft demand (-48.6% this quarter) — this niche doesn't clear our bar today.
Review moat
Incredible79.59avg incumbent reviews — the moat a new listing must climb
Avg price
Great$81.00avg listing price — sweet spot $15–$100
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Brand share
Good66%top-5 brand share — brands hold most of the demand
Competition
Good51%top-5 click share — leaders hold, buyers still browse
Returns
Okay4.2%return rate — above 5% kills the launch gate
Price range
Okay$19.58–$305.29cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Bad$61K$61K/yr · 78K searches
Conversion
Bad1.0%search→purchase rate — share of searches ending in a sale
Growth
Bad-48.6%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, generator fuel tank is a $61K/yr Amazon United States market (78K searches/yr). The top 5 brands hold 66% of demand. Demand peaks in Jan–Oct. Verdict: Skip it — 40/100.
Data updated Jul 10, 2026 · scored weekly · How we score niches
generator fuel tank market data
- Units sold / yr
- 750–1K
- avg 0–100/product
- Revenue / yr
- $61K–$81K
- units × avg price
- Conversion rate
- 1.0%
- Avg BSR
- #3,351
- Page quality
- 0%
- Prime
- 64%
- Sponsored
- 91%
- Out of stock
- 13.2%
- Avg brand age
- 48 months
- Avg seller age
- 188 days
Competition & brand share
The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.Brands
15 falling
Sellers
18
Top-5 brand share
66%
Top 20: 100%
Top-5 click share
51%
Top 20: 98%
Open market
26%
- Sportpules25%
- JMCHstore12%
- Tapa10%
- maXpeedingrods10%
- YAMAKATO9%
- DIYAREA9%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -48.6% search growth over the last 90 days.Peak months: Jan, Oct · busiest ÷ quietest = 2.4×
Top generator fuel tank search terms
- generator fuel tank29K/yr
- generator gas tank21K/yr
- generac gp5500 fuel tank6K/yr
- replacement generator gas tank5K/yr
- gas tank for generator4K/yr
- coleman powermate generator fuel tank4K/yr
- generac generator fuel tank5K/yr
- generac replacement gas tank4K/yr
Top generator fuel tank 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 22 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Sportpules Universal 5 Gallon Gas Tank for Generator Generator Fuel Tank Unscrew the tank cap to get all of the accessories
Sportpules$20.134.1★52 rev
maXpeedingrods 5 Gallon Universal Generator Gas Fuel Tank for EC2500 Engine C with Filter Cap Gauge Petcock Red 5 Gal 18.9L
maXpeedingrods$41.784.3★31 rev
5 Gallon Generator Gas Fuel Tank with Filter Gauge Cap Universal Fit Compatible with EC2500 (5 Gallon Red)
DIYAREA$54.284.3★68 rev
JJing Universal 7 Gallon Generator Gas Fuel Tank Compatible with Honda EC6500 EM6500 EM5000S EB6500 Predator Champion Chicago ETQ HomeSite UST Wen 5000 5500 6500 7500 8750 9000 and More Generators
JJing$65.874.3★123 rev
Tapa Universal 7 Gallon Generator Gas Fuel Tank Compatible with Honda EC6500 EM6500 EM6500SX Predator Champion Chicago ETQ Homelite UST Wen 5000 5500 6500 7500 8750 9375 Generator and More Others
Tapa$65.774.5★122 rev
Newest
by launch date
5 Gallon Generator Gas Fuel Tank Universal Generator Fuel Tank Filter Replacement Single-Cylinder Metal Fuel Tank with Chrome Cap and Fuel Valve for EC2500
Mahugde$19.583 rev
FDJ Universal 5 Gallon Generator Gas Fuel Tank Compatible with Honda EC2500 & Predator 2000/4000 Extended Run Fuel Tank Assembly for 2-3KW Portable Generators Easy Installation (5 Gallon)
FDJ$51.7915 rev
7 Gallon Universal Generator Gas Tank Compatible with Honda EB5000 EM5000 EB6500 EM6500 for Predator 6500 7000 8750 9000 Generator Replacement
Automost$69.3058 rev
YGQ Universal Generator Gas Fuel Tank Assembly for Honda and Clone EC2500 196cc 212cc 224cc Black
YGQ$63.269 rev
Sportpules Universal 5 Gallon Gas Tank for Generator Generator Fuel Tank Unscrew the tank cap to get all of the accessories
Sportpules$20.1352 rev
Trending
90-day click momentum5 Gallon Generator Gas Fuel Tank Universal Generator Fuel Tank Filter Replacement Single-Cylinder Metal Fuel Tank with Chrome Cap and Fuel Valve for EC2500
Mahugde$19.583.5★
FDJ Universal 5 Gallon Generator Gas Fuel Tank Compatible with Honda EC2500 & Predator 2000/4000 Extended Run Fuel Tank Assembly for 2-3KW Portable Generators Easy Installation (5 Gallon)
FDJ$51.794.3★
SNKOURIN 5 Gallon/18.9L Generator Gas Fuel Tank Universal Fuel Filter Cap Gauge Petcock Fits for EC2500 and More Red Metal Fuel Tank Chrome Cap
SNKOURIN$25.933.5★
Sportpules Universal 5.2 Gallon Generator Gas Fuel Tank Generator Gas Tank
Sportpules$21.803.7★
5 Gallon Generator Gas Fuel Tank with Filter Gauge Cap Universal Fit Compatible with EC2500 (5 Gallon Red)
DIYAREA$54.284.3★
What buyers say about generator fuel tank
What buyers praise and complain about, mined from review topics.What buyers love
“Perfect fit”
“Great craftsmanship too”
“Very worth it”
“works as advertised”
“Even considering that it wasn't too hard to install”
“This is a significant difference in quality and corrosion resistance, especially for a fuel tank”
“It does not leak”
“material, fit 10/10”
What buyers complain about
“False advertisement”
“Didn't fit my frame”
“Cap leaks gas”
“Its not 5 gallons and is metal”
“Cheap made”
“All the parts were not included”
“Waste of f ing money”
“Mounting flange is 1/2-3/4 too narrow to properly fit the GB5000”
“the advertised capacity is way off”
“I bought this to replace the tank on a Westinghouse generator that had gotten very rusty”
Top return reasons
Common questions
- Is generator fuel tank profitable to sell on Amazon United States?
- The niche generates $61K/yr across 22 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -48.6%. Flapen's verdict: Skip it (40/100).
- How competitive is the generator fuel tank niche?
- 15 brands and 18 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 66% of demand.
- What do buyers complain about in generator fuel tank?
- Top complaints mined from reviews: Advertised Vs Actual Product, Size-Overall, Leak-Proof. The return rate is 4.2%.
- When does demand for generator fuel tank peak?
- Demand peaks in Jan–Oct; the busiest month runs 2.4× the quietest.
- What does it cost to enter the generator fuel tank niche?
- Listings span $19.58–$305.29; the average listing price is $81.00 (sweet spot $15–$100). The average incumbent carries 80 reviews — the moat a new listing must climb.