Ethanol Shield Fuel Stabilizer
FailThe top 5 brands take 100% of clicks, so Ethanol Shield Fuel Stabilizer is a Fail.
- Flapen Score
- 45 / 100Ranks 4,788 of 7,287 Automotive niches · −4 vs the category median of 4945
- Market size
- $492K/yr243K searches / yr
- 90-day growth
- +5.9%search demand this quarter
- Competition
- 88%top-5 click share · 5 brands · 96 sellers
Flapen Score
Ethanol Shield Fuel Stabilizer against its category
The dotted line is the Automotive average. Past it, Ethanol Shield Fuel Stabilizer is stronger. Inside it, weaker.
Market
The Ethanol Shield Fuel Stabilizer market on Amazon at a glance
Shoppers on Amazon United States searched for Ethanol Shield Fuel Stabilizer 243K times last year and spent an estimated $492K. All 5 brands take every click. Demand peaks in Sep–Oct. Flapen scores it 45 out of 100, a Fail.
01 · Demand
An estimated 6.0% of those searches ended in a purchase.
Shoppers searched for this 243K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 6.0% of those searches ended in a purchase. Searches in the last 90 days moved +5.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated $492K a year.
- Searches, last 12 months
- 243K
- Growth, 90 days vs prior 90
- +5.9%
- Conversion, latest week
- 6.0%
- Market size, estimated
- $492Ka year
- Peak month
- October2.5× the quietest month
- Top search term
- ethanol shield150K searches a year
02 · Price
A sale here is worth $33.90.
Listings sell for $33.90 on average, from $6.93 to $72.35. Amazon reports units sold in ranges. This niche sold 15K to 20K a year. The average listing sells 1,500 to 2,000 of them. At $33.90 that is $51K to $68K a year per listing.
- Average price
- $33.90inside the $15 to $100 sweet spot
- Price range
- $6.93–$72.35
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 15K–20K
- Units per listing a year
- 1,500–2,000
- Revenue per listing a year
- $51K–$68K
- Returns
- 0.2%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
44% of listings pay for placement with sponsored ads. 89% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #62 within Oils & Fluids. It carries 1,817 reviews at 4.74 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 44%
- Prime listings
- 89%
- Out of stock, average day
- 0.0%
- Average rank
- #62in Oils & Fluids
- Average rating
- 4.74 starsAmazon United States average 4.42 stars
- Average reviews
- 1,817per listing
- Listings tracked
- 9
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 97 months on average, so the names here are established.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 97 months
Products
Top Ethanol Shield Fuel Stabilizer products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 9, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Ethanol Shield Fuel Stabilizer 24 oz (2 Pack) Keeps Fuel Fresh Gasoline Treatment Fuel Additive That Protects Fuel System Gas Stabilizer for Fuel Storage Antioxidant and Anticorrosive
- Price
- $36.52
- Rating
- 4.8/5
- Reviews
- 910
- Age
- 2y ago

STA-BIL 360 Marine Fuel System Treatment 32 oz
- Price
- $22.25
- Rating
- 4.8/5
- Reviews
- 8,043
- Age
- 18y ago

Ethanol Shield Fuel Stabilizer 1 Gallon (128 oz) Prevents Corrosion - Gasoline Treatment that Protects Fuel System- Fuel Saver - Treats up to 1280 Gallons.
- Price
- $72.35
- Rating
- 4.8/5
- Reviews
- 354
- Age
- 14y ago

Rotary Ethanol Shield 24 Oz.
- Price
- $30.40
- Rating
- 4.9/5
- Reviews
- 89
- Age
- 8y ago

Ethanol Shield Gasoline Fuel Stabilizer 4 oz.
- Price
- $16.67
- Rating
- 4.5/5
- Reviews
- 60
- Age
- 10y ago
Trending
estimated 90-day click momentum
Ethanol Shield Gasoline Fuel Stabilizer 4 oz.
- Price
- $16.67
- Rating
- 4.5/5
- Reviews
- 60
- Age
- 10y ago

STA-BIL 360 Protection Ethanol Treatment and Fuel Stabilizer - Prevents Corrosion - Prevents Ethanol Damage - Cleans Entire Fuel System - Treats 5 Gallons 4 fl. oz. (22295)
- Price
- $6.93
- Rating
- 4.8/5
- Reviews
- 6,674
- Age
- 8y ago

STA-BIL 360 Marine Fuel System Treatment 32 oz
- Price
- $22.25
- Rating
- 4.8/5
- Reviews
- 8,043
- Age
- 18y ago

Lucas Oil LUC10576 Safeguard Ethanol Fuel Stabilizer - 16 oz.
- Price
- $11.44
- Rating
- 4.8/5
- Reviews
- 117
- Age
- 14y ago

Rotary Ethanol Shield 24 Oz.
- Price
- $30.40
- Rating
- 4.9/5
- Reviews
- 89
- Age
- 8y ago
Newest
by launch date
Ethanol Shield Fuel Stabilizer 8 oz CASE of 9. Prevents Corrosion - Gasoline Treatment That Protects Fuel System- Fuel Saver - Each 8 oz Bottle Treats up to 80 gallons.
- Price
- $71.23
- Rating
- 4.6/5
- Reviews
- 26
- Age
- 1y ago

Ethanol Shield Fuel Stabilizer 24 oz (2 Pack) Keeps Fuel Fresh Gasoline Treatment Fuel Additive That Protects Fuel System Gas Stabilizer for Fuel Storage Antioxidant and Anticorrosive
- Price
- $36.52
- Rating
- 4.8/5
- Reviews
- 910
- Age
- 2y ago

Ethanol Shield MARINE Fuel Stabilizer & Preservative - 2 PACK (2-24 oz bottles) - Full Fuel Cleaner - Fuel Injector Cleaner - Removes Water- Protects Fuel System - Each bottle treats 240 gallons
- Price
- $37.31
- Rating
- 4.7/5
- Reviews
- 81
- Age
- 2y ago

Rotary Ethanol Shield 24 Oz.
- Price
- $30.40
- Rating
- 4.9/5
- Reviews
- 89
- Age
- 8y ago

STA-BIL 360 Protection Ethanol Treatment and Fuel Stabilizer - Prevents Corrosion - Prevents Ethanol Damage - Cleans Entire Fuel System - Treats 5 Gallons 4 fl. oz. (22295)
- Price
- $6.93
- Rating
- 4.8/5
- Reviews
- 6,674
- Age
- 8y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 88% of clicks. A locked shelf that new listings rarely crack.
Brands
5 falling
Sellers
96
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
88%
Top 20: 100%
Open market
0%
- Ethanol Shield59%
- STA-BIL28%
- Rotary5%
- AGEGDXW4%
- Lucas Oil3%
- Open — no brand owns it (0%)
Demand
Ethanol Shield Fuel Stabilizer search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Sep, Oct · busiest ÷ quietest = 2.5×
Search terms
Top Ethanol Shield Fuel Stabilizer search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- ethanol shield150K/yr
- ethanol shield fuel stabilizer90K/yr
- ethanol shield fuel additive2K/yr
Reviews and returns
What reviews say buyers love and hate about Ethanol Shield Fuel Stabilizer
We read the reviews and the return reasons for every product selling here.
“One of the bottles has a leak”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
17 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Ethanol Shield Fuel Stabilizer questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









